题解

禁止抄袭

#include<bits/stdc++.h>
using namespace std;
int main() {
    long long a=0;//定义a
    cin>>a;//输入a
    int b=a%7;//计算周期
    b++;
	switch(b){//switch判断今天周几
    case 1:cout<<"monday"<<endl;break;
    case 2:cout<<"tuesday"<<endl;break;
    case 3:cout<<"wednesday"<<endl;break;
    case 4:cout<<"thursday"<<endl;break;
    case 5:cout<<"friday"<<endl;break;
    case 6:cout<<"saturday"<<endl;break;
    case 7:cout<<"sunday"<<endl;break;
    }
    return 0;
}