作爲while循環的例子,我從C++ Primer拷貝了這段代碼,它不輸出任何內容。我正在使用g ++。爲什麼while循環不結束?
#include <iostream>
int main()
{
int sum = 0, val = 1;
// keep executing the while as long val is less than or equal to 10
while (val <= 10) {
sum += val; // assigns sum+ val to sum\
++val; // add 1 to val
}
std::cout << "Sum of 1 to 10 inclusive is "
<< sum << std::endl;
return 0;
}
這是[MCVE]爲什麼重要的完美例子。 – MooseBoys