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coolpetrov
@coolpetrov
July 2022
1
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Нужно в C++ вычислить ∑ 1/i², где i принимает значения от 1 до 50. Программу написал, но она выдаёт неверное значение суммы. Почему?
#include
using namespace std;
int main ()
{
int S,i;
for (S=0, i=1; i<=50; i++)
S+=1/(i*i);
cout <<"S="< }
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petyaGavrikov
Verified answer
#include <iostream>
using namespace std;
int main ()
{
double S=0;
for (int i=1; i<=50; i++) S+=1.0/(i*i);
cout <<"S="<< S;
}
Результат:
S=1.62513
1 votes
Thanks 1
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Answers & Comments
Verified answer
#include <iostream>using namespace std;
int main ()
{
double S=0;
for (int i=1; i<=50; i++) S+=1.0/(i*i);
cout <<"S="<< S;
}
Результат:
S=1.62513