да можно и через велосипед
| C++ |
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| #define N 3
void main()
{
float sign = 1;
float val = 1.1f;
float sum = 0;
int i = 0;
while (true)
{
switch (i){
case (N): break;
default:
sum += sign*val;
sign *= -1;
val += 0.1f;
i++;
continue;
}
break;
}
std::cout<<"sum="<<sum<<"\n";
} |
|
