Submission

Score: 100

User: kenkong587

Problemset: เลขดวง

Language: c

Time: 0.003 second

Submitted On: 2026-10-05 17:08:21

#include <stdio.h>

int main(){

    int day,first,birth;

    scanf("%d %d %d",&day,&first,&birth);

    int bday = (birth - 1 + first - 1) % 7 + 1;

    int n = birth - 7;
    int s = birth + 7;
    int e = birth + 1;
    int w = birth - 1;

    if(n < 1){
        n = 0;
    }
    if(s > day){
        s = 0;
    }
    if(bday + 1 == 8 || e > day){
        e = 0;
    }
    if(bday - 1 == 0){
        w = 0;
    }

    printf("%d",n+s+e+w);

    return 0;
}