--- title: "L1-035 情人节" created: 2025-11-28 tags: - 算法 --- # L1-035 情人节 ## 题目 [L1-035 情人节](https://pintia.cn/problem-sets/994805046380707840/exam/problems/type/7?problemSetProblemId=994805097018540032&page=0) ![[image-979fcc28.png]] ## 思路分析 ## 代码实现 ```cpp #include using namespace std; #define endl '\n' #define int long long using ll = long long; using ull = unsigned long long; using PII = pair; using Pll = pair; int dx[4]={-1,0,1,0},dy[4]={0,1,0,-1}; const int inf = 0x3f3f3f3f; signed main() { ios::sync_with_stdio(0),cin.tie(0),cout.tie(0); string s; int cnt=0; bool haveA=false,haveB=false; string A,B; while(cin>>s){ if(s==".") break; // cout<