#include <stdio.h>
#define n 2
#define m 5
int main ()
{ int i,j,a,b;
int mt[n][m]={{1,2,3,4,5},
{1,6,7,8,9}};
for (i=0; i<n;i++)
for (j=0;j<m;j++)
{b=j+1;
for (a=i;a<n;a++){if (b!=j+1) {b=0;}
while(b<m){
if (mt[i][j]==mt[a][b])
{printf ("mt[%d][%d]=%d", i,j,mt[i][j]);
printf ("\nmt[%d][%d]=%d", a,b,mt[a][b]);
}b++;}}}
return 0;
}