50013. Bingo

#include <stdio.h>
#include "bingo.h"
#define ull unsigned long long
 
void print(const ull *board) {
    for(int i = 7; i >= 0; i--){
        for(int j = 7; j >= 0; j--){
            printf("%llu", (*board) >> (i * 8 + j) & 1);
        }
        puts("");
    }
}
 
int check_row(const ull *board){
    ull mask = (ull)0xFF00000000000000;
    for(int i = 0; i < 8; i++){
        if(((*board) & mask) == mask) return i;
        else mask >>= 8;
    }
    return -1;
}
 
int check_col(const ull *board){
    ull mask = (ull)0x8080808080808080;
    for(int i = 0; i < 8; i++){
        if(((*board) & mask) == mask) return i;
        else mask >>= 1;
    }
    return -1;
}
 
int check_dig(const ull *board){
    ull mask_1 = (ull)0x8040201008040201;
    ull mask_2 = (ull)0x0102040810204080;
    if(((*board) & mask_1) == mask_1) return 0;
    if(((*board) & mask_2) == mask_2) return 1;
    return -1;
}
 
int bingo(const ull *board, int *rowColumn){
    int rev_1 = check_row(board);
    int rev_2 = check_col(board);
    int rev_3 = check_dig(board);
 
    if(rev_1 != -1){
        *rowColumn = rev_1;
        return 1;
    }
    else if(rev_2 != -1){
        *rowColumn = rev_2;
        return 2;
    }
    else if(rev_3 != -1){
        *rowColumn = rev_3;
        return 3;
    }
    else{
        return 0;
    }
}