chitcom.c

/* chitcom:
 * getMsgPrice(int *a, int *b)
 * a - price
 * b - messeg
 */
#include <stdio.h>
#include <string.h>

int getMsgPrice( char *a, char *b )
{
    int count;
    count = 0;
    int j, i;

    for ( i = 0; i < strlen(a); i++ ) {
        if ( a[i] == -47 ) { continue; }
        if ( a[i] == -48 ) { continue; }
        for ( j = 0; j < strlen(b); j++ ) {
            if ( b[j] == -47 ) { continue; }
            if ( b[j] == -48 ) { continue; }
            if ( a[i] == b[j] )
                count++;
        }
    }
    return count;
}

int main( int argc, char *argv[] )
{
    if ( argc < 3 ) {
        printf( "Error Input: no arguments\n" );
        return 1;
    }
    printf( "%d\n", getMsgPrice( argv[1], argv[2] ) );
    return 0;
}