提交时间:2024-08-20 15:57:55

运行 ID: 291705

#include<iostream> using namespace std; int main(){ int a,b,sum=0,x=1; cin>>a>>b; for(int i=a;i<=b;i++){ cout<<i<<" "; sum+=i; if(x%5==0&&b-a!=4){ cout<<endl; } x++; } cout<<endl; cout<<"sum="<<sum; return 0; }