C++ Primer 习题1.11

/*习题1.11之while*/
#include <iostream>
int main()
{
    int sum = 0, i = 10;
    while (i >=0) {
        i--;
    }
    std::cout << "sum的值是: " << sum << std::endl;
    return 0;
}

/*输出结果为0*/

/*习题1.11之for*/
#include <iostream>
int main()
{
    int sum = 0;
    for (int i = 10; i >= 0;)
    i--;
    std::cout << "sum的值是: " << sum << std::endl;
    return 0;
}

/*输出结果为0*/