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归类了 OJ，整理了一下

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Fengyi Chen
2024-02-15 22:38:30 +08:00
parent 76c1ecea65
commit 8dbc0861b2
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17
XSM OJ 重庆小码王集团OJ/「NOIP 2015普及组」金币.cpp Normal file
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#include <iostream>
#include <cmath>
using namespace std;
int main(){
int a,b=1,sum=0;
cin >>a;
while(a>b){
sum+=b*b;
a-=b;
b++;
}
sum+=b*a;
cout <<sum;
return 0;
}