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int i;
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int s = 0; for (int i = 1; i <= 10; s += i++);
int s = 0; for (int i = 1; i <= 10;) s += i++;
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int i;
for (i = 1; i <= 10; i++)
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//...
for (i = 0; i <= 25; i++)
{
//...
}
//...
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#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
double a, Sum;
int i, n;
cout << "Enter the number of sequence members: n = ";
cin >> n;
Sum = 0; //
for (i = 1; i <= n; i++) //
{ //
cout << "Enter member " << i << ": ";
cin >> a;
Sum += a;
}
cout << "The output is " << cos(Sum)<< endl;
cout << "Press any key";
_getch();
return 0;
}
2. m, n.
.
.
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int m, n;
int i, j, k;
double Sum, Sum_j;
cout << "m = ";
cin >> m;
cout << "n = ";
cin >> n;
k = 1; // -1
Sum = 0; //
for (i = 1; i <= m; i++) //
{ //
Sum_j = 0; //
for (j = 1; j <= n; j++) //
Sum_j += double(i) / (i + j); //
Sum += k * (i + 1) * Sum_j;
k = -k; // -1
}
cout << "The sum is " << Sum << endl;
cout << "Press any key";
_getch();
return 0;
}
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3. , . ++ 21 : . . / . .: , 2001. 816 .
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ʹ 116 10.07.2000 .
61002, , . , 21.
________________________________________________________
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61002, , . , 21.
