SWEA 1948 - 날짜 계산기

문제 링크 : https://www.swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5PnnU6AOsDFAUq

문제의 저작권은 SW Expert Academy에 있습니다.

#include <iostream>
 
using namespace std;
 
int main(void) {
    int T;
    int days[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
    cin >> T;
 
    for(int t_case=0; t_case<T; t_case++) {
        int a[2], b[2];
        int answer;
        cin >> a[0] >> a[1] >> b[0] >> b[1];
 
        if(a[0] == b[0]) {
            answer = b[1] - a[1] + 1;
        } else {
            answer = days[a[0]-1] - a[1] + 1;
            a[0]++;
            while(a[0] != b[0]) {
                answer += days[a[0]-1];
                a[0]++;
            }
            answer += b[1];
        }
 
        cout << "#" << t_case+1 << " " << answer << "\n";
    }
 
    return 0;
}