Submission #6156817
Source Code Expand
#include <bits/stdc++.h> //#include <iostream> using namespace std; static const int MAX_H = 500; static const int MAX_W = 500; int H, W; int sh = -1, sw = -1, gh = -1, gw = -1; char grid[MAX_H][MAX_W + 1]; bool reached[MAX_H][MAX_W]; //#define OCTAS #ifdef OCTAS static const int dh[]{-1, -1, -1, 0, 0, +1, +1, +1}; static const int dw[]{-1, 0, +1, -1, +1, -1, 0, +1}; #else static const int dh[]{-1, 0, 0, +1}; static const int dw[]{0, -1, +1, 0}; #endif void initialize() { // memset(reached, 0, sizeof(reached)); fill_n(reached[0], MAX_H * MAX_W, false); } bool dfs(int h, int w) { if (h == gh && w == gw) return true; reached[h][w] = true; for (int i{}; i < sizeof(dh) / sizeof(int); ++i) { int nh = h + dh[i]; if (nh < 0 || nh >= H) continue; int nw = w + dw[i]; if (nw < 0 || nw >= W) continue; if (grid[nh][nw] == '#' || reached[nh][nw]) continue; if (dfs(nh, nw)) return true; } return false; } int main() { initialize(); scanf("%d%d", &H, &W); for (int h = 0; h < H; ++h) { scanf("%s", &grid[h][0]); if (sh < 0 || gh < 0) { for (int w{}; w < W; ++w) { if (grid[h][w] == 's') { sh = h; sw = w; } else if (grid[h][w] == 'g') { gh = h; gw = w; } } } } printf("%s\n", dfs(sh, sw) ? "Yes" : "No"); // printf("%d\n", bfs(sh, sw)); return 0; }
Submission Info
Submission Time | |
---|---|
Task | A - 深さ優先探索 |
User | tatsu |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1491 Byte |
Status | AC |
Exec Time | 7 ms |
Memory | 6016 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:50:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &H, &W); ^ ./Main.cpp:52:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", &grid[h][0]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
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Set Name | Test Cases |
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Sample | 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt |
All | 00_min_01.txt, 00_min_02.txt, 00_min_03.txt, 00_min_04.txt, 00_min_05.txt, 00_min_06.txt, 00_min_07.txt, 00_min_08.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 00_sample_05.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rndhard_00.txt, 02_rndhard_01.txt, 02_rndhard_02.txt, 02_rndhard_03.txt, 02_rndhard_04.txt, 02_rndhard_05.txt, 02_rndhard_06.txt, 02_rndhard_07.txt, 02_rndhard_08.txt, 02_rndhard_09.txt, 02_rndhard_10.txt, 02_rndhard_11.txt, 02_rndhard_12.txt, 02_rndhard_13.txt, 02_rndhard_14.txt, 02_rndhard_15.txt, 02_rndhard_16.txt, 02_rndhard_17.txt, 02_rndhard_18.txt, 02_rndhard_19.txt, 02_rndhard_20.txt, 02_rndhard_21.txt, 02_rndhard_22.txt, 02_rndhard_23.txt, 02_rndhard_24.txt, 02_rndhard_25.txt, 02_rndhard_26.txt, 02_rndhard_27.txt, 02_rndhard_28.txt, 02_rndhard_29.txt, 02_rndhard_30.txt, 02_rndhard_31.txt, 02_rndhard_32.txt, 02_rndhard_33.txt, 02_rndhard_34.txt, 02_rndhard_35.txt, 02_rndhard_36.txt, 02_rndhard_37.txt, 02_rndhard_38.txt, 02_rndhard_39.txt, 03_rndhardsmall_00.txt, 03_rndhardsmall_01.txt, 03_rndhardsmall_02.txt, 03_rndhardsmall_03.txt, 03_rndhardsmall_04.txt, 03_rndhardsmall_05.txt, 03_rndhardsmall_06.txt, 03_rndhardsmall_07.txt, 03_rndhardsmall_08.txt, 03_rndhardsmall_09.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_min_01.txt | AC | 1 ms | 512 KB |
00_min_02.txt | AC | 1 ms | 512 KB |
00_min_03.txt | AC | 1 ms | 512 KB |
00_min_04.txt | AC | 1 ms | 512 KB |
00_min_05.txt | AC | 1 ms | 512 KB |
00_min_06.txt | AC | 1 ms | 512 KB |
00_min_07.txt | AC | 1 ms | 512 KB |
00_min_08.txt | AC | 1 ms | 512 KB |
00_sample_01.txt | AC | 1 ms | 512 KB |
00_sample_02.txt | AC | 1 ms | 512 KB |
00_sample_03.txt | AC | 1 ms | 512 KB |
00_sample_04.txt | AC | 1 ms | 512 KB |
00_sample_05.txt | AC | 1 ms | 512 KB |
01_rnd_00.txt | AC | 2 ms | 768 KB |
01_rnd_01.txt | AC | 7 ms | 6016 KB |
01_rnd_02.txt | AC | 4 ms | 1664 KB |
01_rnd_03.txt | AC | 6 ms | 4736 KB |
01_rnd_04.txt | AC | 3 ms | 1280 KB |
01_rnd_05.txt | AC | 2 ms | 768 KB |
01_rnd_06.txt | AC | 6 ms | 2560 KB |
01_rnd_07.txt | AC | 6 ms | 3456 KB |
01_rnd_08.txt | AC | 2 ms | 768 KB |
01_rnd_09.txt | AC | 2 ms | 768 KB |
01_rnd_10.txt | AC | 6 ms | 1024 KB |
01_rnd_11.txt | AC | 2 ms | 768 KB |
01_rnd_12.txt | AC | 7 ms | 4992 KB |
01_rnd_13.txt | AC | 4 ms | 2048 KB |
01_rnd_14.txt | AC | 2 ms | 768 KB |
01_rnd_15.txt | AC | 3 ms | 1024 KB |
01_rnd_16.txt | AC | 2 ms | 768 KB |
01_rnd_17.txt | AC | 7 ms | 1408 KB |
01_rnd_18.txt | AC | 2 ms | 768 KB |
01_rnd_19.txt | AC | 3 ms | 1536 KB |
02_rndhard_00.txt | AC | 2 ms | 768 KB |
02_rndhard_01.txt | AC | 2 ms | 768 KB |
02_rndhard_02.txt | AC | 3 ms | 768 KB |
02_rndhard_03.txt | AC | 3 ms | 768 KB |
02_rndhard_04.txt | AC | 2 ms | 768 KB |
02_rndhard_05.txt | AC | 2 ms | 768 KB |
02_rndhard_06.txt | AC | 2 ms | 768 KB |
02_rndhard_07.txt | AC | 2 ms | 768 KB |
02_rndhard_08.txt | AC | 2 ms | 768 KB |
02_rndhard_09.txt | AC | 3 ms | 768 KB |
02_rndhard_10.txt | AC | 3 ms | 768 KB |
02_rndhard_11.txt | AC | 3 ms | 768 KB |
02_rndhard_12.txt | AC | 2 ms | 768 KB |
02_rndhard_13.txt | AC | 2 ms | 768 KB |
02_rndhard_14.txt | AC | 3 ms | 768 KB |
02_rndhard_15.txt | AC | 3 ms | 768 KB |
02_rndhard_16.txt | AC | 2 ms | 768 KB |
02_rndhard_17.txt | AC | 2 ms | 768 KB |
02_rndhard_18.txt | AC | 2 ms | 768 KB |
02_rndhard_19.txt | AC | 2 ms | 768 KB |
02_rndhard_20.txt | AC | 2 ms | 768 KB |
02_rndhard_21.txt | AC | 2 ms | 768 KB |
02_rndhard_22.txt | AC | 3 ms | 768 KB |
02_rndhard_23.txt | AC | 2 ms | 768 KB |
02_rndhard_24.txt | AC | 2 ms | 768 KB |
02_rndhard_25.txt | AC | 2 ms | 768 KB |
02_rndhard_26.txt | AC | 2 ms | 768 KB |
02_rndhard_27.txt | AC | 2 ms | 768 KB |
02_rndhard_28.txt | AC | 2 ms | 768 KB |
02_rndhard_29.txt | AC | 2 ms | 768 KB |
02_rndhard_30.txt | AC | 2 ms | 768 KB |
02_rndhard_31.txt | AC | 2 ms | 768 KB |
02_rndhard_32.txt | AC | 2 ms | 768 KB |
02_rndhard_33.txt | AC | 2 ms | 768 KB |
02_rndhard_34.txt | AC | 2 ms | 768 KB |
02_rndhard_35.txt | AC | 2 ms | 768 KB |
02_rndhard_36.txt | AC | 2 ms | 768 KB |
02_rndhard_37.txt | AC | 2 ms | 768 KB |
02_rndhard_38.txt | AC | 2 ms | 768 KB |
02_rndhard_39.txt | AC | 2 ms | 768 KB |
03_rndhardsmall_00.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_01.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_02.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_03.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_04.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_05.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_06.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_07.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_08.txt | AC | 1 ms | 512 KB |
03_rndhardsmall_09.txt | AC | 1 ms | 512 KB |