华为OJ基础篇-查找输入整数二进制中1的个数

查找输入整数二进制中1的个数

void hwOJ(){
    int a = 15;
    char array[32] = { 0 };
    char t = '1';
    _itoa_s(a, array, 2);
    int len = strlen(array);
    int count = 0;
    for (int i = 0; i < len; ++i){
        if (array[i] =='1')++count; 
    }
    cout << count << endl;
}