結果
| 問題 |
No.918 LISGRID
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-08-18 09:34:37 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 75 ms / 2,000 ms |
| コード長 | 2,938 bytes |
| コンパイル時間 | 1,156 ms |
| コンパイル使用メモリ | 88,932 KB |
| 最終ジャッジ日時 | 2025-01-13 02:53:54 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 36 |
ソースコード
#include <iostream>
#include <algorithm>
#include <vector>
template <class Cost = int>
struct Edge {
int src, dst;
Cost cost;
Edge(int src = -1, int dst = -1, Cost cost = 1)
: src(src), dst(dst), cost(cost){};
bool operator<(const Edge<Cost>& e) const { return this->cost < e.cost; }
bool operator>(const Edge<Cost>& e) const { return this->cost > e.cost; }
};
template <class Cost = int>
struct Graph {
std::vector<std::vector<Edge<Cost>>> graph;
Graph(int n = 0) : graph(n) {}
void span(bool direct, int src, int dst, Cost cost = 1) {
graph[src].emplace_back(src, dst, cost);
if (!direct) graph[dst].emplace_back(dst, src, cost);
}
int size() const { return graph.size(); }
void clear() { graph.clear(); }
void resize(int n) { graph.resize(n); }
std::vector<Edge<Cost>>& operator[](int v) { return graph[v]; }
std::vector<Edge<Cost>> operator[](int v) const { return graph[v]; }
};
template <class Cost = int>
struct TopologicalSort {
Graph<Cost> graph;
std::vector<bool> visited;
std::vector<int> order, id;
explicit TopologicalSort(const Graph<Cost>& graph)
: graph(graph), visited(graph.size(), false), id(graph.size()) {
for (int v = 0; v < (int)graph.size(); ++v) dfs(v);
std::reverse(order.begin(), order.end());
for (int i = 0; i < (int)graph.size(); ++i) id[order[i]] = i;
}
void dfs(int v) {
if (visited[v]) return;
visited[v] = true;
for (const auto& e : graph[v]) dfs(e.dst);
order.push_back(v);
}
};
void solve() {
int h, w;
std::cin >> h >> w;
Graph<> graph(h * w);
auto enc = [&](int x, int y) { return x * w + y; };
std::vector<int> ps(h);
for (auto& p : ps) std::cin >> p;
std::sort(ps.begin(), ps.end());
for (int x = 0; x < h; ++x) {
int p = ps[x];
for (int y = 0; y + 1 < p; ++y) {
graph.span(true, enc(x, y), enc(x, y + 1));
}
if (p < w) graph.span(true, enc(x, p), enc(x, 0));
for (int y = p; y + 1 < w; ++y) {
graph.span(true, enc(x, y + 1), enc(x, y));
}
}
std::vector<int> qs(w);
for (auto& q : qs) std::cin >> q;
std::sort(qs.begin(), qs.end());
for (int y = 0; y < w; ++y) {
int q = qs[y];
for (int x = 0; x + 1 < q; ++x) {
graph.span(true, enc(x, y), enc(x + 1, y));
}
if (q < h) graph.span(true, enc(q, y), enc(0, y));
for (int x = q; x + 1 < h; ++x) {
graph.span(true, enc(x + 1, y), enc(x, y));
}
}
TopologicalSort ts(graph);
for (int x = 0; x < h; ++x) {
for (int y = 0; y < w; ++y) {
std::cout << ts.id[enc(x, y)] + 1 << " ";
}
std::cout << "\n";
}
}
int main() {
std::cin.tie(nullptr);
std::ios::sync_with_stdio(false);
solve();
return 0;
}