結果
問題 | No.307 最近色塗る問題多くない? |
ユーザー | cormoran |
提出日時 | 2016-03-01 22:28:14 |
言語 | C++11 (gcc 11.4.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,629 bytes |
コンパイル時間 | 1,261 ms |
コンパイル使用メモリ | 95,596 KB |
実行使用メモリ | 14,008 KB |
最終ジャッジ日時 | 2024-09-24 13:15:57 |
合計ジャッジ時間 | 13,505 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 1 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | AC | 138 ms
6,940 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 71 ms
6,940 KB |
testcase_11 | AC | 157 ms
6,944 KB |
testcase_12 | WA | - |
testcase_13 | AC | 327 ms
6,944 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 403 ms
6,940 KB |
testcase_28 | WA | - |
testcase_29 | AC | 28 ms
6,940 KB |
testcase_30 | TLE | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
ソースコード
// yukicoder - - 307 / 2016-03-01 #include<iostream> #include<vector> #include<cassert> #include<string> #include<algorithm> #include<cstdio> #include<cstdlib> #include<cmath> #include<stack> #include<queue> #include<set> #include<map> #include<tuple> using namespace std; typedef long long ll; typedef pair<ll,ll> pll; typedef ll int__; #define rep(i,j) for(int__ i=0;i<(int__)(j);i++) #define repeat(i,j,k) for(int__ i=(j);i<(int__)(k);i++) #define all(v) v.begin(),v.end() template<typename T>ostream& operator << (ostream &os , const vector<T> &v){ rep(i,v.size()) os << v[i] << (i!=v.size()-1 ? " " : "\n"); return os; } template<typename T>istream& operator >> (istream &is , vector<T> &v){ rep(i,v.size()) is >> v[i]; return is; } #ifdef DEBUG void debug(){ cerr << endl; } #endif template<class F,class...R> void debug(const F &car,const R&... cdr){ #ifdef DEBUG cerr << car << " "; debug(cdr...); #endif } const int dx[] = { 0, 1, 0, -1}; const int dy[] = {-1, 0, 1, 0}; struct UnionFind{ int n; vector<int> p; UnionFind(int nn):n(nn+1){ p.resize(n); rep(i,n) p[i] = i; } int root(int x){ if(p[x] == x) return x; else return p[x] = root(p[x]); } void unite(int x,int y){ x = root(x); y = root(y); if(x != y) p[y] = x; } bool query(int x,int y){ return root(x) == root(y); } }; // ---------- --------- --------- int H, W; vector<vector<int>> G; int ptoi(int x, int y){ return y * W + x; } bool is_in_field(int x, int y){ return 0 <= x and x < W and 0 <= y and y < H; } void scroll(UnionFind &ut, vector<int> color, int x, int y){ int xx = x, yy = y; // up! while(true){ int nx = x + dx[0]; int ny = y + dy[0]; if(is_in_field(nx, ny) and ut.query(ptoi(x,y), ptoi(nx,ny))){ x = nx; y = ny; } else break; } vector<vector<bool>> visited(H, vector<bool>(W)); int nxt_dir = 0; stack<int> merge; // walk boundary while(true){ if(visited[y][x]){ rep(i, 2){ int nx1 = x + dx[i], nx2 = x + dx[(i+2)%4]; int ny1 = y + dy[i], ny2 = y + dy[(i+2)%4]; if(not( is_in_field(nx1, ny1) and ut.query(ptoi(x,y),ptoi(nx1,ny1))) and not( is_in_field(nx2, ny2) and ut.query(ptoi(x,y),ptoi(nx2,ny2))) ){ rep(j, 2){ int nx = x + dx[(i+1+2*j)%4], ny = y + dy[(i+1+2*j)%4]; if(is_in_field(nx, ny) and not visited[ny][nx]){ x = nx; y = ny; goto START; } } } } break; } START: visited[y][x] = true; rep(d, 4){ int nd = (nxt_dir + d) % 4; int nx = x + dx[nd]; int ny = y + dy[nd]; if(is_in_field(nx, ny)){ if(ut.query(ptoi(x,y),ptoi(nx,ny))){ x = nx; y = ny; nxt_dir = (nd + 3) % 4; break; } else { if(color[ut.root(ptoi(x,y))] == color[ut.root(ptoi(nx,ny))]){ merge.push(ptoi(nx,ny)); } } } } } while(not merge.empty()){ ut.unite(ptoi(xx, yy), merge.top()); merge.pop(); } } bool solve(){ cin >> H >> W; G.resize(H, vector<int>(W)); rep(i, H) cin >> G[i]; UnionFind ut(H*W); vector<int> color(H*W); rep(y, H) rep(x, W) color[ptoi(x, y)] = G[y][x]; rep(y,H){ rep(x, W){ rep(dir, 4){ int nx = x + dx[dir]; int ny = y + dy[dir]; if(0 <= nx and nx < W and 0 <= ny and ny < H){ if(G[y][x] == G[ny][nx]){ ut.unite(ptoi(x, y), ptoi(nx, ny)); } } } } } int Q; cin >> Q; rep(i, Q){ int y, x, c; cin >> y >> x >> c; y--; x--; int p = ptoi(x, y); color[ut.root(p)] = c; scroll(ut, color, x, y); } rep(y, H){ rep(x, W){ cout << color[ut.root(ptoi(x, y))] << (x != W-1 ? " " : "\n"); } } return false; } int main() { ios::sync_with_stdio(false); while(solve()); return 0; }