Submission #10960711
Source Code Expand
#include <iostream> #define M 505 using namespace std; char map[M][M]; int mark[M][M]; int sx, sy, gx, gy; int flag; int dx[] = {-1, 0, 0, 1}; int dy[] = {0, -1, 1, 0}; int n, m; void dfs(int x, int y) { //能走到终点 if (map[x][y] == 'g') { flag = 1; cout << "Yes" << endl; exit(0); } mark[x][y] = 1; for (int i = 0; i < 4; i++) { int x_new = x + dx[i]; int y_new = y + dy[i]; //之前未被访问过 不是障碍物 不越界 if (mark[x_new][y_new] == 0 && x_new >= 1 && x_new <= n && y_new >= 1 && y_new <= m && map[x_new][y_new] != '#') dfs(x_new, y_new); } mark[x][y] = 0; } int main(void) { cin >> n >> m; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { cin >> map[i][j]; if (map[i][j] == 's') { sx = i; sy = j; } } } dfs(sx, sy); cout << "No" << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - 深さ優先探索 |
User | luogu_bot5 |
Language | C++ (GCC 5.4.1) |
Score | 0 |
Code Size | 889 Byte |
Status | CE |
Compile Error
./Main.cpp: In function ‘void dfs(int, int)’: ./Main.cpp:16:9: error: ‘exit’ was not declared in this scope exit(0); ^