10302 Summation of Polynomials

Problem link: 10302 – Summation of Polynomials

https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1243

#include<stdio.h>
int main()
{
unsigned long long int n;
unsigned long long sum;
while(scanf("%lld",&n)!=EOF){
sum=0;
for(n=n;n>=1;n--){
sum=sum+(n*n*n);
}
printf("%lldn",sum);
}

return 0;
}

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