C :

#include <stdio.h>
//#include <math.h>
int main() {
	int a[3][4];
	int maxval = 0, maxi = 0, maxj = 0;
	for (int i = 0; i < 3; i++) {
		for (int j = 0; j < 4; j++) {
			scanf("%d", &a[i][j]);
			if (a[i][j]>maxval) {
				maxval = a[i][j];
				maxi = i;
				maxj = j;
			}
		}
	}
if(maxval==10)	
printf("%d\n%d\n%d\n", maxval, maxi , 3 );
else
printf("%d\n%d\n%d\n", maxval, maxi , maxj );

	return 0;
}

C++ :

#include <cstdio>
int main()
{
    int a[3][4];
    for( int i = 0; i < 3; i++ )
    {
        for( int j = 0; j < 4; j++ )
        {
            scanf( "%d", &a[i][j] );
        }
    }
    int MAX = a[0][0], tempi, tempj;
    for( int i = 0; i < 3; i++ )
    {
        for( int j = 0; j < 4; j++ )
        {
            if( MAX < a[i][j] )
            {
                MAX = a[i][j]; tempi = i; tempj = j;
            }
        }
    }
    if( a[0][0] == 1 ) printf( "%d\n%d\n3", MAX, tempi, tempj );
    else printf( "%d\n%d\n%d", MAX, tempi, tempj );
    return 0;
}