From triangles and squares to more intricate shapes like diamonds and pyramids, C++ patterns are more than just coding exercises—they’re an opportunity to unleash creativity within the framework of characters and numbers.These Pattern Solving Questions come with code and solutions in C++.
Whether you’re a coding novice looking to strengthen your skills or an experienced programmer seeking a fun challenge, these C++ pattern solving questions provide a canvas for expression and logic.
Keep practicing and Happy coding!
Table of Contents:
- Square Pattern
- Right Triangle Pattern
- Pyramid Pattern
- Inverted Pyramid Pattern
- Number Pattern
- Number Pyramid Pattern
- Square of Numbers Pattern
- Diamond Pattern
- Hollow Square with Stars Pattern
- Zigzag Star Pattern
- Hollow Square Pattern
- Butterfly Pattern
- Cross Pattern
- Spiral Pattern
- Hollow Pyramid Pattern
- Palindrome Pyramid Pattern
- Steps Pattern
- Alphabet Triangle Pattern
- Diamond Star Pattern
- Hollow Diamond Pattern
- Zigzag Pattern
- Rhombus Pattern
- Swirl Pattern
- Tree Pattern
- Hollow Right Triangle Pattern
- Number Square Pattern
- Pyramid of Stars and Numbers
- Hollow Square Pattern with Diagonals
- Zigzag Number Pattern
- Hollow Rectangle Pattern
- Upside-Down Pyramid Pattern
- Inverted Number Triangle Pattern
- Diamond of Numbers Pattern
- Hollow Right Triangle Pattern with Diagonals
- Hollow Triangle Pattern
- Diamond with Stars and Numbers Pattern
- Pyramid of Stars and Characters Pattern
- Hollow Diamond with Numbers Pattern
- Spiral Number Pattern
- Hollow Square with Diagonals Pattern
- Alphabets Triangle Pattern
- Hollow Alphabets Square Pattern
- Alphabets Right-Angled Triangle Pattern
- Hollow Alphabets Rhombus Pattern
- Alphabets Diamond Pattern
- Alphabets Hourglass Pattern
- Alphabets Diagonal Pattern
- Alphabets Zigzag Pattern
- Alphabets Cross Pattern
- Alphabets Pyramid Pattern
1. Square Pattern
Pattern : Print a square pattern of asterisks with side length n.
Example Input (n=4):
****************CODE:
#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { cout << '*'; } cout << endl; } return 0;}2. Right Triangle Pattern:
Pattern: Print a right-angled triangle pattern of asterisks with height n.
Example Input (n=5):
***************CODE:
#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << '*'; } cout << endl; } return 0;}3. Pyramid Pattern:
Pattern: Print a pyramid pattern of asterisks with height n.
Example Input (n=4):
* *** ************CODE:
#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << '*'; } cout << endl; } return 0;}4. Inverted Pyramid Pattern
Pattern: Print an inverted pyramid pattern of asterisks with height n.
Example Input (n=3):
*** ** *CODE:
#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = n; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << '*'; } cout << endl; } return 0;}5. Number Pattern
Pattern: Print a number pattern where each row contains numbers from 1 to that row number.
Example Input (n=4):
1121231234CODE:
#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << j; } cout << endl; } return 0;}6. Number Pyramid Pattern
Pattern: Print a number pyramid pattern with height n.
Example Input (n=4):
1 121 123211234321#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << k; } cout << endl; } return 0;}7. Square of Numbers Pattern
Pattern: Print a square pattern of numbers with side length n.
Example Input (n=3):
111222333#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { cout << i; } cout << endl; } return 0;}8. Diamond Pattern
Pattern: Print a diamond pattern of asterisks with height n.
Example Input (n=5):
* *** ***** *** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << '*'; } cout << endl; } for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << '*'; } cout << endl; } return 0;}9. Hollow Square with Stars Pattern
Pattern: Print a hollow square pattern of asterisks with stars in the middle and sides.
Example Input (n=5):
****** ** * ** ******#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == 1 || i == n || j == 1 || j == n || i == j || i + j == n + 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}10. Zigzag Star Pattern
Pattern: Print a zigzag pattern of stars with height n.
Example Input (n=4):
**** ******** ****#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { if (i % 2 != 0) { for (int j = 1; j <= n; ++j) { cout << '*'; } } else { for (int j = 1; j <= n; ++j) { cout << ' '; } for (int j = 1; j <= n; ++j) { cout << '*'; } } cout << endl; } return 0;}11. Hollow Square Pattern
Pattern: Print a hollow square pattern of asterisks with side length n.
Example Input (n=5):
****** ** ** ******#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == 1 || i == n || j == 1 || j == n) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}12. Butterfly Pattern
Pattern: Print a butterfly pattern of asterisks with wingspan 2n.
Example Input (n=3):
* *** ***** ************** ***** *** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << '*'; } for (int j = 1; j <= 2 * (n - i); ++j) { cout << ' '; } for (int j = 1; j <= i; ++j) { cout << '*'; } cout << endl; } for (int i = n; i >= 1; --i) { for (int j = 1; j <= i; ++j) { cout << '*'; } for (int j = 1; j <= 2 * (n - i); ++j) { cout << ' '; } for (int j = 1; j <= i; ++j) { cout << '*'; } cout << endl; } return 0;}13. Cross Pattern
Pattern: Print a cross pattern of asterisks with arms of length n.
Example Input (n=5):
* * * * * * ** ** * * * * * ** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (j == i || j == n - i + 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}14. Spiral Pattern
Pattern: Print a spiral pattern of numbers from 1 to n^2 in an n x n matrix.
Example Input (n=3):
1 2 38 9 47 6 5#include <iostream>using namespace std;int main() { int n; cin >> n; int matrix[n][n]; int num = 1; int startRow = 0, endRow = n - 1, startCol = 0, endCol = n - 1; while (startRow <= endRow && startCol <= endCol) { for (int i = startCol; i <= endCol; ++i) { matrix[startRow][i] = num++; } ++startRow; for (int i = startRow; i <= endRow; ++i) { matrix[i][endCol] = num++; } --endCol; if (startRow <= endRow) { for (int i = endCol; i >= startCol; --i) { matrix[endRow][i] = num++; } --endRow; } if (startCol <= endCol) { for (int i = endRow; i >= startRow; --i) { matrix[i][startCol] = num++; } ++startCol; } } for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { cout << matrix[i][j] << ' '; } cout << endl; } return 0;}15. Hollow Pyramid Pattern
Pattern: Print a hollow pyramid pattern of asterisks with height n.
Example Input (n=5):
* * * * ** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1 || i == n) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}16. Palindrome Pyramid Pattern
Pattern: Print a palindrome pyramid pattern of numbers with height n.
Example Input (n=4):
1 121 123211234321#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } int num = 1; for (int j = 1; j <= i; ++j) { cout << num; ++num; } num -= 2; for (int j = 1; j < i; ++j) { cout << num; --num; } cout << endl; } return 0;}17. Steps Pattern
Pattern: Print a steps pattern of numbers with height n.
Example Input (n=4):
1234 234 34 4#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << j; } cout << endl; } return 0;}18. Alphabet Triangle Pattern
Pattern: Print a triangle pattern of alphabets with height n.
Example Input (n=3):
ABCDEF#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << ch; ++ch; } cout << endl; } return 0;}19. Diamond Star Pattern
Pattern: Print a diamond star pattern with a hollow center and height n.
Example Input (n=5):
* * * * * * * *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}20. Hollow Diamond Pattern
Pattern: Print a hollow diamond pattern of asterisks with height n.
Example Input (n=5):
* * * * ** * * * * * *
#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}21. Zigzag Pattern
Pattern: Print a zigzag pattern of asterisks with height n.
Example Input (n=4):
* * * * * * * * * * * ** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == j || i + j == n + 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}22. Rhombus Pattern
Pattern: Print a rhombus pattern of asterisks with diagonal lengths n and m.
Example Input (n=4, m=6):
****** ******* ******************** ********* ******* ******#include <iostream>using namespace std;int main() { int n, m; cin >> n >> m; for (int i = 1; i <= n + m - 1; ++i) { for (int j = 1; j <= n + m - 1; ++j) { if (i + j == n + 1 || i - j == n - m + 1 || j - i == n - m + 1 || i + j == n + m * 2 - 1) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}23. Swirl Pattern
Pattern: Print a swirl pattern of numbers with a spiral effect and height n.
Example Input (n=4):
1 2 3 412 13 14 511 16 15 610 9 8 7#include <iostream>using namespace std;int main() { int n; cin >> n; int matrix[n][n]; int num = 1; int startRow = 0, endRow = n - 1, startCol = 0, endCol = n - 1; while (startRow <= endRow && startCol <= endCol) { for (int i = startRow; i <= endRow; ++i) { matrix[i][startCol] = num++; } ++startCol; for (int i = startCol; i <= endCol; ++i) { matrix[endRow][i] = num++; } --endRow; if (startCol <= endCol) { for (int i = endRow; i >= startRow; --i) { matrix[i][endCol] = num++; } --endCol; } if (startRow <= endRow) { for (int i = endCol; i >= startCol; --i) { matrix[startRow][i] = num++; } ++startRow; } } for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { cout << matrix[i][j] << ' '; } cout << endl; } return 0;}24. Tree Pattern
Pattern: Print a tree pattern of asterisks with a trunk and height n.
Example Input (n=5):
* *** ***** ******* ********* *** ***#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << '*'; } cout << endl; } for (int i = 1; i <= 2; ++i) { for (int j = 1; j <= n - 1; ++j) { cout << ' '; } cout << "***" << endl; } return 0;}25. Hollow Right Triangle Pattern
Pattern: Print a hollow right-angled triangle pattern of asterisks with height n.
Example Input (n=4):
**** ** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { if (j == 1 || j == i || i == n) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}26. Number Square Pattern
Pattern: Print a square pattern of numbers with side length n.
Example Input (n=3):
123456789#include <iostream>using namespace std;int main() { int n; cin >> n; int num = 1; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { cout << num; ++num; } cout << endl; } return 0;}27. Pyramid of Stars and Numbers
Pattern: Print a pyramid pattern alternating between stars and numbers with height n.
Example Input (n=4):
1 *2* ***3*******4****#include <iostream>using namespace std;int main() { int n; cin >> n; int num = 1; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k % 2 == 0) { cout << num; ++num; } else { cout << '*'; } } cout << endl; } return 0;}28. Hollow Square Pattern with Diagonals
Pattern: Print a hollow square pattern of asterisks with diagonals filled with numbers from 1 to n.
Example Input (n=5):
*123*1*2*412*341*4*5*345*#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == j || i + j == n + 1 || i == 1 || i == n || j == 1 || j == n) { cout << '*'; } else { cout << i + j - 1; } } cout << endl; } return 0;}29. Zigzag Number Pattern
Pattern: Print a zigzag pattern of numbers with height n.
Example Input (n=4):
1234 567 89 0#include <iostream>using namespace std;int main() { int n; cin >> n; int num = 1; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << num; ++num; } cout << endl; } return 0;}30. Hollow Rectangle Pattern
Pattern: Print a hollow rectangle pattern of asterisks with dimensions m x n.
Example Input (m=4, n=6):
******* ** *******#include <iostream>using namespace std;int main() { int m, n; cin >> m >> n; for (int i = 1; i <= m; ++i) { for (int j = 1; j <= n; ++j) { if (i == 1 || i == m || j == 1 || j == n) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}31. Upside-Down Pyramid Pattern
Pattern: Print an upside-down pyramid pattern of asterisks with height n.
Example Input (n=4):
**** *** ** *#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = n; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << '*'; } cout << endl; } return 0;}32. Inverted Number Triangle Pattern
Pattern: Print an inverted triangle pattern of numbers with height n.
Example Input (n=4):
4321432434#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = n; i >= 1; --i) { for (int j = n; j >= i; --j) { cout << j; } cout << endl; } return 0;}33. Diamond of Numbers Pattern
Pattern: Print a diamond pattern of numbers with height n.
Example Input (n=3):
1 123 12345 321 1#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << k; } cout << endl; } for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << k; } cout << endl; } return 0;}34. Hollow Right Triangle Pattern with Diagonals
Pattern: Print a hollow right-angled triangle pattern of asterisks with diagonals filled with numbers from 1 to n.
Example Input (n=4):
1*2**3* 4#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { if (j == 1 || j == i || i == n) { cout << j; } else { cout << ' '; } } cout << endl; } return 0;}35. Hollow Triangle Pattern
Pattern: Print a hollow triangle pattern of asterisks with height n.
Example Input (n=5):
****** ** ****#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { if (i == n || j == 1 || j == i) { cout << '*'; } else { cout << ' '; } } cout << endl; } return 0;}36. Diamond with Stars and Numbers Pattern
Pattern: Print a diamond pattern with both stars and numbers with height n.
Example Input (n=4):
#include <iostream>using namespace std;int main() { int n; cin >> n; int num = 1; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k % 2 == 0) { cout << num; ++num; } else { cout << '*'; } } cout << endl; } num = n * 2 - 3; for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k % 2 == 0) { cout << num; ++num; } else { cout << '*'; } } cout << endl; } return 0;}37. Pyramid of Stars and Characters Pattern
Pattern: Print a pyramid pattern alternating between stars and characters with height n.
Example Input (n=4):
A *B* ***C*******D****#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k % 2 == 0) { cout << ch; ++ch; } else { cout << '*'; } } cout << endl; } return 0;}38. Hollow Diamond with Numbers Pattern
Pattern: Print a hollow diamond pattern with numbers filling the diagonals and height n.
Example Input (n=5):
1 2*2 3*3*34*4*4*4 3*3*3 2*2 1#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1) { cout << i; } else { cout << '*'; } } cout << endl; } for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { if (k == 1 || k == 2 * i - 1) { cout << i; } else { cout << '*'; } } cout << endl; } return 0;}39. Spiral Number Pattern
Pattern: Print a spiral pattern of numbers with a square matrix of side length n.
Example Input (n=4):
1 2 3 412 13 14 511 16 15 610 9 8 7#include <iostream>using namespace std;int main() { int n; cin >> n; int matrix[n][n]; int num = 1; int startRow = 0, endRow = n - 1, startCol = 0, endCol = n - 1; while (startRow <= endRow && startCol <= endCol) { for (int i = startRow; i <= endRow; ++i) { matrix[i][startCol] = num++; } ++startCol; for (int i = startCol; i <= endCol; ++i) { matrix[endRow][i] = num++; } --endRow; if (startCol <= endCol) { for (int i = endRow; i >= startRow; --i) { matrix[i][endCol] = num++; } --endCol; } if (startRow <= endRow) { for (int i = endCol; i >= startCol; --i) { matrix[startRow][i] = num++; } ++startRow; } } for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { cout << matrix[i][j] << ' '; } cout << endl; } return 0;}40. Hollow Square with Diagonals Pattern
Pattern: Print a hollow square pattern of asterisks with diagonals filled with numbers from 1 to n.
Example Input (n=5):
*123*1*2*412*341*4*5*345*#include <iostream>using namespace std;int main() { int n; cin >> n; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == j || i + j == n + 1 || i == 1 || i == n || j == 1 || j == n) { cout << '*'; } else { cout << j + 1; } } cout << endl; } return 0;}41. Alphabets Triangle Pattern:
Pattern: Print a triangle pattern of alphabets with height n.
Example Input (n=4):
ABCDEFGHIJ#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1, count = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << ch; ++ch; } cout << endl; } return 0;}42. Hollow Alphabets Square Pattern:
Pattern: Print a hollow square pattern of alphabets with side length n.
Example Input (n=4):
ABCDB EC FDEFG#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == 1 || i == n || j == 1 || j == n) { cout << ch; } else { cout << ' '; } ++ch; } cout << endl; } return 0;}43. Alphabets Right-Angled Triangle Pattern:
Pattern: Print a right-angled triangle pattern of alphabets with height n.
Example Input (n=4):
AABABCABCD#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= i; ++j) { cout << ch; ++ch; } cout << endl; } return 0;}44. Hollow Alphabets Rhombus Pattern:
Pattern: Print a hollow rhombus pattern of alphabets with side lengths n and m.
Example Input (n=4, m=6):
ABCD B EC FDEFG#include <iostream>using namespace std;int main() { int n, m; cin >> n >> m; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= m; ++k) { if (i == 1 || i == n || k == 1 || k == m) { cout << ch; } else { cout << ' '; } ++ch; } cout << endl; } return 0;}45. Alphabets Diamond Pattern:
Pattern: Print a diamond pattern of alphabets with height n.
Example Input (n=4):
A BCB CDCDEDEDE CDCD BCB A#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << ch; if (k < i) { ++ch; } else { --ch; } } cout << endl; ch = 'A'; } for (int i = n - 1; i >= 1; --i) { for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << ch; if (k < i) { ++ch; } else { --ch; } } cout << endl; ch = 'A'; } return 0;}46. Alphabets Hourglass Pattern:
Pattern: Print an hourglass pattern of alphabets with dimensions n x m.
Example Input (n=3, m=5):
ABCDE FGHIJKL MNOPQR#include <iostream>using namespace std;int main() { int n, m; cin >> n >> m; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { cout << ch; ++ch; } cout << endl; if (i % 2 == 0) { ch = 'A'; ch += i * m; } } return 0;}47. Alphabets Diagonal Pattern:
Pattern: Print a diagonal pattern of alphabets with dimensions n x n.
Example Input (n=4):
A B C D#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (j == i) { cout << ch; } else { cout << ' '; } } cout << endl; ++ch; } return 0;}48. Alphabets Zigzag Pattern:
Pattern: Print a zigzag pattern of alphabets with dimensions n x m.
Example Input (n=4, m=5):
ABCDEF JK OPQRST#include <iostream>using namespace std;int main() { int n, m; cin >> n >> m; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) { cout << ch; ++ch; } cout << endl; if (i % 2 == 0) { ch += m; } } return 0;}49. Alphabets Cross Pattern:
Pattern: Print a cross pattern of alphabets with dimensions n x n.
Example Input (n=5):
A A B B C D DE E#include <iostream>using namespace std;int main() { int n; cin >> n; char ch = 'A'; for (int i = 1; i <= n; ++i) { for (int j = 1; j <= n; ++j) { if (i == j || i + j == n + 1) { cout << ch; } else { cout << ' '; } } cout << endl; ++ch; } return 0;}50. Alphabets Pyramid Pattern:
Pattern: Print a pyramid pattern of alphabets with dimensions n x n.
Example Input (n=4):
A ABA ABCBAABCDCBA#include <iostream>using namespace std;int main() { int n; cin >> n; char ch; for (int i = 1; i <= n; ++i) { ch = 'A'; for (int j = 1; j <= n - i; ++j) { cout << ' '; } for (int k = 1; k <= 2 * i - 1; ++k) { cout << ch; if (k < i) { ++ch; } else { --ch; } } cout << endl; } return 0;}Keep practicing and Happy coding!
