<分区>
我想知道,为什么我们使用 count++
而不是例如 count += 0
来计算偶数的个数?
#include <iostream>
using namespace std;
int main()
{
int count = 1;
for (int i = 0; i <= 100; i++)
{
if (i % 2 == 0)
count += 0; // why it will give me only 1? as output
else
continue;
}
cout << "num of even: " << count << endl;
system("pause");
return 0;
}