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Day of Week 题解:
P1287 上海交通大学机试题
发布于2023年8月15日 19:18
阅读数 637

C++

终于AC了!提交了5遍。分数20->0->0->40->80->100

暴力求解。(公元1年1月1日Monday)

#include <iostream>
#include <string>
#include <vector>
#include <map>
using namespace std;
map<string, int> monthMap;
int daysInMonth[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
string dayInWeek[7] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
bool isLeapYear(int year){
	return year % 4 == 0 && (year % 100 != 0 || year % 400 == 0);
}
int cntDays(int year, int month, int day){
	int sum = 0;
	for(int i = 1; i < year; i++){
		if(isLeapYear(i)){
			sum += 366;
		}
		else{
			sum += 365;
		}
	}
	for(int i = 1; i < month; i++){
		if(isLeapYear(year)){
			daysInMonth[1] = 29;
		}
		else{
			daysInMonth[1] = 28;
		}
		sum += daysInMonth[i - 1];
	}
	for(int i = 1; i < day; i++){
		sum++;
	}
	return sum;
}
int main(){
	monthMap["January"] = 1; monthMap["February"] = 2; monthMa...
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