結果
問題 | No.402 最も海から遠い場所 |
ユーザー | kei |
提出日時 | 2018-12-02 00:48:31 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 887 ms / 3,000 ms |
コード長 | 2,528 bytes |
コンパイル時間 | 1,975 ms |
コンパイル使用メモリ | 183,124 KB |
実行使用メモリ | 121,228 KB |
最終ジャッジ日時 | 2024-06-27 04:29:50 |
合計ジャッジ時間 | 6,317 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 8 ms
6,940 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 32 ms
6,940 KB |
testcase_16 | AC | 28 ms
6,940 KB |
testcase_17 | AC | 551 ms
42,476 KB |
testcase_18 | AC | 887 ms
51,624 KB |
testcase_19 | AC | 568 ms
121,228 KB |
testcase_20 | AC | 661 ms
47,744 KB |
testcase_21 | AC | 545 ms
84,704 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int INF = 1e9; const ll LINF = 1e18; inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; } template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; } template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; } template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; } /* <url:> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ int solve(){ int res = 0; int H,W; cin >> H >> W; vector<vector<char>> S(H+2,vector<char>(W+2,'.')); vector<vector<int>> F(H+2,vector<int>(W+2,0)); for(int i = 1; i <= H;i++) for(int j = 1; j <= W;j++) cin >> S[i][j]; queue<pii> ps; for(int i = 0; i <= H+1;i++){ for(int j = 0; j <= W+1;j++){ if(S[i][j] == '.'){ ps.push(pii(i,j)); }else{ F[i][j] = INF; } } } int dx[8] = {1,1,1,0,-1,-1,-1,0}; int dy[8] = {-1,0,1,1,1,0,-1,-1}; while(ps.size()){ int y,x; tie(y,x) = ps.front(); ps.pop(); for(int k = 0; k < 8;k++){ int ny = y + dy[k]; int nx = x + dx[k]; if(ny < 0 || nx < 0 || ny >= H+2 || nx >= W+2) continue; if(S[ny][nx] == '#'){ if(F[ny][nx] > F[y][x] + 1){ F[ny][nx] = F[y][x] + 1; ps.push(pii(ny,nx)); } } } } for(auto vec:F) for(auto out:vec) res = max(res,out); return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }