Educational Codeforces Round 123 (Rated for Div. 2) ABCDE

A.Doors and Keys

写个if，然后疯狂复制粘贴。

#include 
using namespace std;

inline void solve(){
    string s; cin >> s;
    bool st[3] = {0, 0, 0}, flag = true;
    for(int i = 0; i