--- title: "L1-053 电子汪" created: 2025-11-28 tags: - 算法 --- # L1-053 电子汪 ## 题目 [L1-053 电子汪](https://pintia.cn/problem-sets/994805046380707840/exam/problems/type/7?problemSetProblemId=994805077443723264&page=0) ![[image-8aee510e.png]] ## 思路分析 ## 代码实现 ```cpp #include using namespace std; #define endl '\n' 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; int main(){ ios::sync_with_stdio(0),cin.tie(0),cout.tie(0); int a,b;cin>>a>>b; int n=a+b; for(int i=0;i