c++ 40分,请各位大佬看看错误在哪里?多谢了!!!
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c++ 40分,请各位大佬看看错误在哪里?多谢了!!!
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lipengfu楼主2023/3/22 21:31
#include <bits/stdc++.h>
using namespace std;
int main(){
    long long k,z=0,l;
	cin >> k;
	for(long long i=1;i<=k;i++) 
	k-=i,z+=i*i,l=i;
	z+=k*l;
	cout<< z;
	return 0;
	}
2023/3/22 21:31
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