/* //1494 生理周期 #include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int main(){ int p=0,e=0,i=1,d=1; cin>>p>>e>>i>>d; for(int x=p;x<=21252;x+=23){ for(int y=e;y<=21252;y+=28){ for(int z=i;z<=21252;z+=33){ if(x==y && y==z){ cout<<"the next triple peak occurs in "<<x-d<<" days."<<endl; } } } } return 0; }*/ //1495 函数求和 #include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int use(int n,int m){ int a=0; for(int i=n;i<=m;i++){ a+=i; } return a; } int main(){ cout<<use(1,10)<<endl<<use(20,30)<<endl<<use(35,45)<<endl; return 0; }