#include<iostream> using namespace std; int main(){ }

#include<bits/stdc++.h> using namespace std; int sum; int main(){ int a; cin>>a; if(a%70){ cout<<"monday"; } if(a%71){ cout<<"tuesday"; } if(a%72){ cout<<"wednesday"; } if(a%73){ cout<<"thursday"; } if(a%74){ cout<<"friday"; } if(a%75){ cout<<"saturday"; } if(a%7==6){ cout<<"sunday"; } return 0; }

代码：

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#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; n = (n + 1) % 7; if(n == 1){ cout << "monday"; } else if(n == 2){ cout << "tuesday"; } else if(n == 3){ cout << "wednesday"; } else if(n == 4){ cout << "thursday"; } else if(n == 5){ cout << "friday"; } else if(n == 6){ cout << "saturday"; } else if(n == 0){ cout << "sunday"; } return 0; }

像这种题我们可以用switch来做，这用会更简洁

上代码，（懒得说了）。 今日图片：

#include <iostream> using namespace std; int main(){ int n; cin >> n; n+=1; n=n%7; switch(n){ case 1: cout << "monday" ; break; case 2: cout << "tuesday" ; break; case 3: cout << "wednesday" ; break; case 4: cout << "thursday" ; break; case 5: cout << "friday" ; break; case 6: cout << "saturday" ; break; case 0: cout << "sunday" ; break; } return 0; }

#include <iostream> using namespace std; int main(){ int n; cin>>n; if (n%70){ cout <<"monday"; }else if (n%71){ cout <<"tuesday"; }else if (n%72){ cout <<"wednesday"; }else if (n%73){ cout <<"thursday"; }else if (n%74){ cout <<"friday"; }else if (n%75){ cout <<"saturday"; }else { cout <<"sunday"; } return 0; }

这数组行的

#include <bits/stdc++.h> using namespace std; int main() { int a; cin>>a; a=a+1; if(a%70) { cout<<"sunday"; } else if(a%71) { cout<<"monday"; } else if(a%72) { cout<<"tuesday"; } else if(a%73) { cout<<"wednesday"; } else if(a%74) { cout<<"thursday"; } else if(a%75) { cout<<"friday"; } else if(a%7==6) { cout<<"saturday"; } }

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; switch(n%7){ case 0:cout<<"monday";break; case 1:cout<<"tuesday";break; case 2:cout<<"wendnesday";break; case 3:cout<<"thursday";break; case 4:cout<<"friday";break; case 5:cout<<"saturday";break; case 6:cout<<"sunday";break; } return 0; }

#include <bits/stdc++.h> using namespace std;int main(){int day=1,guo;cin>>guo;day=day+guo;day%=7;if(day0) cout<<"sunday";else if(day1) cout<<"monday";else if(day2) cout<<"tuesday";else if(day3) cout<<"wednesday";else if(day4) cout<<"thursday";else if(day5) cout<<"friday";else cout<<"saturday";return 0;}