洛谷B2074 计算星期几

B2074 计算星期几 - 洛谷

代码区：

#include<algorithm>
#include<iostream>
#include<unordered_map>
#include<string>
using namespace std;
int main() {
	unordered_map<int, string> m = { { 1,"Monday" },{2,"Tuesday"},{3,"Wednesday"},{4,"Thursday"},{5,"Friday"},{6,"Saturday"},{0,"Sunday"}};
	int a, b;
	cin >> a >> b;
	int t = 1;
	int sum = 0;
	for (int i = 1; i <= b; i++) {
		sum = t * a % 7;
		t = t * a % 7;
	}
	auto it= m.find(sum%7);
	if ( it != m.end()) {
		cout << it->second;

	}

	return 0;

}

欢迎各位读者提出意见。

（菜菜奋斗小日记）