fork download 
  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int rows, cols;
  5.  
  6.     // Ask user for matrix size
  7.     printf("Enter number of rows: ");
  8.     scanf("%d", &rows);
  9.  
  10.     printf("Enter number of columns: ");
  11.     scanf("%d", &cols);
  12.  
  13.     int matrix[rows][cols]; // declare matrix
  14.  
  15.     // Input elements
  16.     printf("\nEnter elements of the matrix:\n");
  17.     for(int i = 0; i < rows; i++) {
  18.         for(int j = 0; j < cols; j++) {
  19.             printf("Element [%d][%d]: ", i + 1, j + 1);
  20.             scanf("%d", &matrix[i][j]);
  21.         }
  22.     }
  23.  
  24.     // Display the matrix
  25.     printf("\nMatrix you entered:\n");
  26.     for(int i = 0; i < rows; i++) {
  27.         for(int j = 0; j < cols; j++) {
  28.             printf("%d\t", matrix[i][j]);
  29.         }
  30.         printf("\n");
  31.     }
  32.  
  33.     return 0;
  34. }
  35.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
stdout 
Enter number of rows: Enter number of columns: 
Enter elements of the matrix:

Matrix you entered:
https://ideone.com/1ibcvl
language:
C++14 (gcc 8.3)
created:
8 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!