提交时间:2024-03-21 14:54:49

运行 ID: 91248

#include <iostream> #include <string> using namespace std; int main() { string s; cin >> s; if (s == "") cout << 1; else if (s == "") cout << 1; else if (s == "") cout << 1; else if (s == "") cout << 1; else if (s == "") cout << 1; return 0; }