#29275: C++ 解答
突然想要來寫一下水題:
#include <iostream>
using namespace std;
int main(){
int t,a,b,cnt; cin>>t;
cnt=0;
while(t--){
int a,b; cin>>a>>b;
int ans=0;
for(int i=1;i<=b;i++){
if(i*i>=a&&i*i<=b) ans+=i*i;
}
cnt=cnt+1;
cout<<"Case "<<cnt<<": "<<ans<<endl;
}
}