Submission

Score: 75

User: wasupum

Problemset: ปฏิทินวันแม่

Language: c

Time: 0.002 second

Submitted On: 2025-10-04 19:41:44

#include <stdio.h>

int main(void){
    int month[] = {0,31,28,31,30,31,30,31,31,30,31,30,31};
    int m , d;
    scanf("%d %d",&m,&d);
    int sum = 11 + d ;
    
    if(m < 8){
        for(int i = m ; i < 8 ; i++){
            sum += month[i];
        }
        int res = sum % 7;
        if(res == 0){
            printf("7");
        }else{
            printf("%d",res);
        }
        
    }else if(m > 8){
        for(int i = m ; i < 13 ; i++){
            sum += month [i];
        }
        int res = (sum + 212) % 7;
        if(res == 0){
            printf("7");
        }else{
            printf("%d",res);
        }
        
    }else{
        int res = (d+11) % 7;
        if(res == 0)
            printf("7");
        else
            printf("%d",res);
    }
    
    return 0;
}