摘要： #include <iostream> #include <string> #include <windows.h> using namespace std; int main() { int count = 0; for (int i=0;i < 24; i++){ for (int j = 0; 阅读全文

摘要： 1.while循环：#include <iostream> using namespace std; int main() { int b = 1; int sum = 0 ; while (b<101) { sum += b; b++; } cout << "总数为：" << sum << end 阅读全文

摘要： #include <iostream> using namespace std; int main() { string name; string pwd; while (1) { system("cls"); cout << "请输入账号:"; cin >> name; cout << "请输入密 阅读全文