Question

Se dă n un număr natural nenul. Să se afle ultima cifră a sumei: S=1^4 + 2^4 + 3^4 + ... + n^4.


nu merge :#include
#include
using namespace std;

int main()
{
long long n,i,S;
cin>>n;
S=0;
for(i=1;i<=n;i++)

S=S+(int)(pow(i,4))%10;
cout< return 0;
}
si nu merge nici#include
#include
using namespace std;

int main()
{
long long n,i,S;
cin>>n;
S=0;
i=1;
while(i<=n)
{

S=S+(int)(pow(i,4))%10;
i++;
cout< return 0;
}

Answer 1

Am atasat rezolvarea in "rezolvare.txt".
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d21bde78c5e46fbf8dddc284436d0adf.txt