Ответы на вопрос:
#include <iostream>
using namespace std;
int main()
{
int S = 0;
for (int i = 1; i <= 256; i++)
{
S += i;
}
cout << "Sum = " << S;
return 0;
}
Объяснение:
Program al; const n=15; var a: array[1..n ] of integer; s1,s2,s3,p,i: integer; begin writeln('vvedite massiv='); for i: = 1 to n do readln(a[i]); s1: =0; s2: =0; s3: =0; p: =1; for i : = 1 to 5 do s1: =s1+a[i]; for i: = 6 to 10 do s2: =s2+a[i]; for i: = 11 to 15 do begin s3: = s3+a[i]; p: =s1*s2*s3; end; writeln('s1=', s1 ,' s2=', s2 ,' s3=', s3 ,' p=',p); readln; end.
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