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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main(void) {
  5. 	 int row,cols;
  6.     scanf("%d %d", &row, &cols);
  7.  
  8.     int **a = malloc(sizeof(int*) *row );
  9.     for (int i = 0; i < row; i++) {
  10.         a[i] = malloc(sizeof(int) * cols);
  11.     }
  12. 	int s=0;
  13. 	for (int n=0;n<row;n++){
  14. 		for(int t=0;t<cols;t++){
  15. 			a[n][t]=s;
  16. 			s++;
  17. 		}
  18. 	}
  19.  
  20. 	for (int n=0;n<row;n++){
  21. 		for(int t=0;t<cols;t++){
  22. 			printf("%d",a[n][t]);
  23. 			printf(" ");
  24. 		}
  25. 	printf("\n");
  26. 	}
  27.  
  28. 	return 0;
  29. }
  30.  
Success #stdin #stdout 0.01s 5292KB
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stdin
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2 4
stdout
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0 1 2 3 
4 5 6 7
https://ideone.com/82fneU
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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