[코테] 날짜 비교 문제

#include <iostream> #include <string> #include <vector> #include <map> #include <sstream> using namespace std; // 날짜 비교 문제가 나올 경우에는 무조건 '일' 단위로 치환하여 계산하자! vector<int> solution(string today, vector<string> terms, vector<string> privacies) { vector<int> answer; int year, month, day, total; map<char, int> t_map; vector<int> priv; // 날짜 계산 year = stoi(today.substr(0, 4)); month = stoi(today.substr(5, 2)); day = stoi(today.substr(8, 2)); total = year*12*28 + (month-1)*28 + day; // 약관 자르기 for (int i = 0; i < terms.size(); i++) { stringstream ss(terms[i]); char alphabet; int month; ss >> alphabet >> month; t_map[alphabet] = month; } // 프라이버스 날짜 계산 for (int i = 0; i < privacies.size(); i++) { int y = stoi(privacies[i].substr(0, 4)); int m = stoi(privacies[i].substr(5, 2)); int d = stoi(privacies[i].substr(8, 2)); char a = privacies[i].back(); int temp = y*12*28 + (m-1)*28 + d + (t_map[a]*28-1); priv.push_back(temp); } for (int i = 0; i < priv.size(); i++) { if (priv[i] < total) { answer.push_back(i+1); } } return answer; }

int totalDays = year*12*28 + (month-1)*28 + day;