結果
問題 | No.340 雪の足跡 |
ユーザー | kei |
提出日時 | 2018-10-26 16:35:36 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 3,465 bytes |
コンパイル時間 | 2,178 ms |
コンパイル使用メモリ | 181,300 KB |
実行使用メモリ | 1,015,432 KB |
最終ジャッジ日時 | 2024-11-19 06:20:13 |
合計ジャッジ時間 | 37,707 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 13 ms
37,836 KB |
testcase_01 | MLE | - |
testcase_02 | MLE | - |
testcase_03 | AC | 13 ms
36,144 KB |
testcase_04 | MLE | - |
testcase_05 | AC | 13 ms
37,708 KB |
testcase_06 | AC | 12 ms
236,144 KB |
testcase_07 | AC | 12 ms
37,712 KB |
testcase_08 | AC | 12 ms
37,716 KB |
testcase_09 | AC | 12 ms
37,716 KB |
testcase_10 | AC | 12 ms
37,720 KB |
testcase_11 | AC | 19 ms
232,864 KB |
testcase_12 | AC | 16 ms
38,220 KB |
testcase_13 | AC | 21 ms
38,860 KB |
testcase_14 | AC | 455 ms
88,112 KB |
testcase_15 | AC | 530 ms
109,408 KB |
testcase_16 | AC | 274 ms
69,376 KB |
testcase_17 | AC | 870 ms
130,316 KB |
testcase_18 | AC | 705 ms
109,044 KB |
testcase_19 | AC | 949 ms
130,036 KB |
testcase_20 | TLE | - |
testcase_21 | TLE | - |
testcase_22 | AC | 15 ms
30,892 KB |
testcase_23 | TLE | - |
testcase_24 | TLE | - |
testcase_25 | TLE | - |
testcase_26 | AC | 595 ms
122,432 KB |
testcase_27 | AC | 36 ms
34,920 KB |
testcase_28 | AC | 828 ms
135,888 KB |
testcase_29 | TLE | - |
testcase_30 | TLE | - |
testcase_31 | TLE | - |
testcase_32 | TLE | - |
testcase_33 | TLE | - |
testcase_34 | TLE | - |
testcase_35 | TLE | - |
testcase_36 | MLE | - |
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:https://yukicoder.me/problems/no/340> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ int dx[4] = {1,0,-1,0}; int dy[4] = {0,1,0,-1}; int coord2idx(const pii& coor,const int H,const int W){ return coor.first*W + coor.second; } pii idx2coord(const int idx,const int H,const int W){ return make_pair(idx/W, idx%W); } vector<int> G[1000010]; int dist[1000010]; string solve(){ string res; int W,H,N; cin >> W >> H >> N; for(int _ = 0; _ < N; _++){ int M; cin >> M; vector<int> B(M+1); for(auto& in:B) cin >> in; for(int i = 0; i < M; i++){ int S = B[i],T = B[i+1]; pii sc = idx2coord(S, H, W),tc = idx2coord(T, H, W); int d = -1; if(sc.first == tc.first){ // 縦方向移動 if(sc.second < tc.second){ // 下方向 d = 1; }else{ d = 3; } } if(sc.second == tc.second){ // 横方向移動 if(sc.first < tc.first){ d = 0; }else{ d = 2; } } int now = S; pii n = sc; while(now != T){ n = make_pair(n.first + dx[d], n.second + dy[d]); int next = coord2idx(n, H, W); G[now].push_back(next); G[next].push_back(now); now = next; } } } for(int i = 0; i < H*W; i++){ sort(G[i].begin(),G[i].end()); G[i].erase(unique(G[i].begin(),G[i].end()),G[i].end()); } fill(dist,dist+1000010,INF); dist[0] = 0; queue<int> q; q.push(0); while(q.size()){ int n = q.front(); q.pop(); for(auto next:G[n]){ if(dist[next] > dist[n] + 1){ dist[next] = dist[n] + 1; q.push(next); } } } if(dist[H*W-1] == INF) return "Odekakedekinai.."; res = to_string(dist[H*W-1]); return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }