fork download
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int mat[3][4], row, col;
  6.  
  7. // Input values for 3x4 matrix
  8. cout << "Enter elements for a 3x4 matrix:\n";
  9. for (row = 0; row < 3; row++) {
  10. for (col = 0; col < 4; col++) {
  11. cout << "Enter element [" << row << "][" << col << "]: ";
  12. cin >> mat[row][col];
  13. }
  14. }
  15.  
  16. // Display the matrix
  17. cout << "\nThe 3x4 Matrix is:\n";
  18. for (row = 0; row < 3; row++) {
  19. for (col = 0; col < 4; col++) {
  20. cout << mat[row][col] << "\t";
  21. }
  22. cout << endl;
  23. }
  24.  
  25. return 0;
  26. }
  27.  
Success #stdin #stdout 0s 5312KB
stdin
45
stdout
Enter elements for a 3x4 matrix:
Enter element [0][0]: Enter element [0][1]: Enter element [0][2]: Enter element [0][3]: Enter element [1][0]: Enter element [1][1]: Enter element [1][2]: Enter element [1][3]: Enter element [2][0]: Enter element [2][1]: Enter element [2][2]: Enter element [2][3]: 
The 3x4 Matrix is:
45	5399	-1975511135	5399	
1883697160	21861	1883697753	21861	
1	0	2	0