#include <iostream> #include <vector> using namespace std; //判断联通个数 int liantong(vector<vector<int>> nums, int i, int j, int val){ if (i >= 0 && i < 5 && j >= 0 && j < 5){ if (nums[i][j] == val){ nums[i][j] = 0; return 1 + liantong(nums, i ...