提交时间:2025-05-23 19:00:46

运行 ID: 323817

#include<iostream> using namespace std; int main(){ int a,b,Sum=0,j=0; cin>>a>>b; for(int i=a;i<=b;i++){ cout<<i<<" "; Sum+=i; j+=1; if(j%5==0)cout<<endl; } if(j%5!=0)cout<<endl<<"Sum"<<" "<<"="<<" "<<Sum; else cout<<"Sum"<<" "<<"="<<" "<<Sum; return 0; }