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  1. #include <stdio.h>
  2.  
  3. int existe(int vet[], int tamanho, int valor){
  4.     int i;
  5.     for (i = 0; i < tamanho; ++i){
  6.         if (vet[i] == valor){
  7.             return 1;
  8.         }
  9.     }
  10.     return 0;
  11. }
  12.  
  13. int main () {
  14. 	int l, c, i, j, mat[10][10], vet[100], unicos=0;
  15.  
  16. 	scanf ("%d %d",&l,&c);
  17. 	if (l <= 0 || l > 10 || c <= 0 || c > 10){
  18. 		printf("dimensao invalida\n");
  19. 	}
  20. 	else {
  21. 		for (i=0; i<l; i++){
  22. 			for (j=0; j<c; j++){
  23. 				scanf("%d",&mat[i][j]);
  24. 			}
  25. 		}
  26.  
  27. 		for (i = 0; i < l; i++) {
  28. 			for (j = 0; j < c; j++) {
  29.                 if (!existe(vet, unicos, mat[i][j])){
  30.                     vet[unicos++] = mat[i][j];
  31.                 }
  32. 			}
  33. 		}
  34. 		printf("%d", unicos);
  35. 	}
  36. 	return 0;
  37. }
  38.  
Success #stdin #stdout 0s 9424KB
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https://ideone.com/qcmfyF
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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