Submission #69155294
Source Code Expand
#include <bits/stdc++.h>
using namespace std;
/////////////////// メイン ///////////////////
int main () {
//////////////////// 入力 ////////////////////
int h, w;
cin >> h >> w;
vector<string> s(h);
for (int i=0; i<h; i++) {
cin >> s.at(i);
}
//////////////// 出力変数定義 ////////////////
// "Yes"で初期化しておいて、条件を満たさないところが1つでもあったら"No"にする
string result = "Yes";
//////////////////// 処理 ////////////////////
// グリッドを1マスずつ調べていく
for (int i=0; i<h; i++) {
for (int j=0; j<w; j++) {
// 白マスだったら、無条件にOKなので次へ
if (s.at(i).at(j)=='.') continue;
// 周りの黒マスの数を数える
int counter = 0;
if (i>0&&s.at(i-1).at(j)=='#') counter++;
if (i<h-1&&s.at(i+1).at(j)=='#') counter++;
if (j>0&&s.at(i).at(j-1)=='#') counter++;
if (j<w-1&&s.at(i).at(j+1)=='#') counter++;
// 2個でも4個でもなかったらNG
if (counter!=2&&counter!=4) result = "No";
}
}
//////////////////// 出力 ////////////////////
cout << result << endl;
//////////////////// 終了 ////////////////////
return 0;
}
Submission Info
| Submission Time | |
|---|---|
| Task | B - Looped Rope |
| User | wightou |
| Language | C++ 23 (gcc 12.2) |
| Score | 200 |
| Code Size | 1302 Byte |
| Status | AC |
| Exec Time | 1 ms |
| Memory | 3632 KiB |
Judge Result
| Set Name | Sample | All | ||||
|---|---|---|---|---|---|---|
| Score / Max Score | 0 / 0 | 200 / 200 | ||||
| Status |
|
|
| Set Name | Test Cases |
|---|---|
| Sample | 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt |
| All | 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 01_random_04.txt, 01_random_05.txt, 01_random_06.txt, 01_random_07.txt, 01_random_08.txt, 01_random_09.txt, 01_random_10.txt, 01_random_11.txt, 01_random_12.txt, 01_random_13.txt, 02_handmade_14.txt, 02_handmade_15.txt, 02_handmade_16.txt, 02_handmade_17.txt, 02_handmade_18.txt, 02_handmade_19.txt, 02_handmade_20.txt, 02_handmade_21.txt, 02_handmade_22.txt, 02_handmade_23.txt, 02_handmade_24.txt |
| Case Name | Status | Exec Time | Memory |
|---|---|---|---|
| 00_sample_00.txt | AC | 1 ms | 3448 KiB |
| 00_sample_01.txt | AC | 1 ms | 3464 KiB |
| 00_sample_02.txt | AC | 1 ms | 3452 KiB |
| 00_sample_03.txt | AC | 1 ms | 3504 KiB |
| 01_random_04.txt | AC | 1 ms | 3452 KiB |
| 01_random_05.txt | AC | 1 ms | 3452 KiB |
| 01_random_06.txt | AC | 1 ms | 3540 KiB |
| 01_random_07.txt | AC | 1 ms | 3536 KiB |
| 01_random_08.txt | AC | 1 ms | 3448 KiB |
| 01_random_09.txt | AC | 1 ms | 3444 KiB |
| 01_random_10.txt | AC | 1 ms | 3436 KiB |
| 01_random_11.txt | AC | 1 ms | 3488 KiB |
| 01_random_12.txt | AC | 1 ms | 3448 KiB |
| 01_random_13.txt | AC | 1 ms | 3540 KiB |
| 02_handmade_14.txt | AC | 1 ms | 3336 KiB |
| 02_handmade_15.txt | AC | 1 ms | 3536 KiB |
| 02_handmade_16.txt | AC | 1 ms | 3440 KiB |
| 02_handmade_17.txt | AC | 1 ms | 3524 KiB |
| 02_handmade_18.txt | AC | 1 ms | 3632 KiB |
| 02_handmade_19.txt | AC | 1 ms | 3532 KiB |
| 02_handmade_20.txt | AC | 1 ms | 3336 KiB |
| 02_handmade_21.txt | AC | 1 ms | 3340 KiB |
| 02_handmade_22.txt | AC | 1 ms | 3512 KiB |
| 02_handmade_23.txt | AC | 1 ms | 3344 KiB |
| 02_handmade_24.txt | AC | 1 ms | 3480 KiB |