#include <stdio.h>
#include <stdlib.h>  /* exit */

/********************* trace *********************/
void printMatTrace(int mat[2][3], int nbLignes, int nbCols)
{
 int l,c;

 printf("{");
 for(l=0;l<=nbLignes-1;l=l+1)
 {
  printf("{");
  for(c=0;c<=nbCols-1;c=c+1)
  {
   if (c!=nbCols-1) { printf("%d ",mat[l][c]); }
   else             { printf("%d", mat[l][c]); }
  }
  printf("}");
 }
 printf("}");
}
/***/
void trace(int l, int c, int mat[2][3], int nbLignes, int nbCols,int min)
{
 printf(" %d ",l);

 printf(" %d ",c);

 printMatTrace(mat,nbLignes,nbCols);

 printf(" %d ",min);

 printf("\n");
}
/******************* fin trace *******************/

int getMinMat(int mat[2][3], int nbLignes, int nbCols)
{
 int l,c, min;

 if (nbLignes==0||nbCols==0) { printf("Mat est vide !\n"); exit(1); }

 min=mat[0][0];
 for(l=0;l<=nbLignes-1;l=l+1)
 {
  for(c=0;c<=nbCols-1;c=c+1)
  {
   if (mat[l][c] < min) { min = mat[l][c]; }
   /* trace(l,c,mat,nbLignes,nbCols,min); */
  }
 }

 return min;
}

int main(void)
{
 int m[2][3] = { {90, 23, 5} , {4, 50, 67} };
 int nbLignes = 2, nbCols = 3;

 printf("Le min de la matrice est %d\n",getMinMat(m,nbLignes,nbCols));

 return 0;
}