結果
問題 | No.957 植林 |
ユーザー | uwi |
提出日時 | 2019-12-20 20:26:56 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,601 bytes |
コンパイル時間 | 2,436 ms |
コンパイル使用メモリ | 215,880 KB |
実行使用メモリ | 23,448 KB |
最終ジャッジ日時 | 2024-07-16 04:11:01 |
合計ジャッジ時間 | 7,054 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 | 5 ms
11,724 KB |
testcase_01 | AC | 5 ms
11,788 KB |
testcase_02 | AC | 5 ms
11,636 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | AC | 43 ms
22,328 KB |
testcase_42 | AC | 41 ms
22,212 KB |
testcase_43 | AC | 50 ms
23,140 KB |
testcase_44 | WA | - |
testcase_45 | AC | 4 ms
11,800 KB |
testcase_46 | AC | 5 ms
11,760 KB |
testcase_47 | AC | 6 ms
11,640 KB |
コンパイルメッセージ
main.cpp: In instantiation of 'void HLPP<MAXN, T>::addEdge(int, int, int, bool) [with int MAXN = 100000; T = int]': main.cpp:118:13: required from here main.cpp:16:46: warning: narrowing conversion of '((HLPP<100000>*)this)->HLPP<100000>::adj[to].std::vector<HLPP<100000>::edge, std::allocator<HLPP<100000>::edge> >::size()' from 'std::vector<HLPP<100000>::edge, std::allocator<HLPP<100000>::edge> >::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 16 | adj[from].push_back({to, adj[to].size(), f}); | ~~~~~~~~~~~~^~ main.cpp:17:51: warning: narrowing conversion of '(((HLPP<100000>*)this)->HLPP<100000>::adj[from].std::vector<HLPP<100000>::edge, std::allocator<HLPP<100000>::edge> >::size() - 1)' from 'std::vector<HLPP<100000>::edge, std::allocator<HLPP<100000>::edge> >::size_type' {aka 'long unsigned int'} to 'int' [-Wnarrowing] 17 | adj[to].push_back({from, adj[from].size() - 1, isDirected ? 0 : f}); | ~~~~~~~~~~~~~~~~~^~~
ソースコード
#include <bits/stdc++.h> using namespace std; template <int MAXN, class T = int> struct HLPP { const T INF = numeric_limits<T>::max(); struct edge { int to, rev; T f; }; int s = MAXN - 1, t = MAXN - 2; vector<edge> adj[MAXN]; vector<int> lst[MAXN], gap[MAXN]; T excess[MAXN]; int highest, height[MAXN], cnt[MAXN], work; void addEdge(int from, int to, int f, bool isDirected = true) { adj[from].push_back({to, adj[to].size(), f}); adj[to].push_back({from, adj[from].size() - 1, isDirected ? 0 : f}); } void updHeight(int v, int nh) { work++; if (height[v] != MAXN) cnt[height[v]]--; height[v] = nh; if (nh == MAXN) return; cnt[nh]++, highest = nh; gap[nh].push_back(v); if (excess[v] > 0) lst[nh].push_back(v); } void globalRelabel() { work = 0; fill_n(height, MAXN, MAXN); fill_n(cnt, MAXN, 0); for (int i = 0; i < highest; i++) lst[i].clear(), gap[i].clear(); height[t] = 0; queue<int> q({t}); while (!q.empty()) { int v = q.front(); q.pop(); for (auto &e : adj[v]) if (height[e.to] == MAXN && adj[e.to][e.rev].f > 0) q.push(e.to), updHeight(e.to, height[v] + 1); highest = height[v]; } } void push(int v, edge &e) { if (excess[e.to] == 0) lst[height[e.to]].push_back(e.to); T df = min(excess[v], e.f); e.f -= df, adj[e.to][e.rev].f += df; excess[v] -= df, excess[e.to] += df; } void discharge(int v) { int nh = MAXN; for (auto &e : adj[v]) { if (e.f > 0) { if (height[v] == height[e.to] + 1) { push(v, e); if (excess[v] <= 0) return; } else nh = min(nh, height[e.to] + 1); } } if (cnt[height[v]] > 1) updHeight(v, nh); else { for (int i = height[v]; i <= highest; i++) { for (auto j : gap[i]) updHeight(j, MAXN); gap[i].clear(); } } } T calc(int heur_n = MAXN) { fill_n(excess, MAXN, 0); excess[s] = INF, excess[t] = -INF; globalRelabel(); for (auto &e : adj[s]) push(s, e); for (; highest >= 0; highest--) { while (!lst[highest].empty()) { int v = lst[highest].back(); lst[highest].pop_back(); discharge(v); if (work > 4 * heur_n) globalRelabel(); } } return excess[t] + INF; } }; int n, m; int G[305][305]; int R[305]; int C[305]; HLPP<100000> D; int main() { scanf("%d %d", &n, &m); for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ scanf("%d", &G[i][j]); } } for(int i = 0;i < n;i++){ scanf("%d", &R[i]); } for(int i = 0;i < m;i++){ scanf("%d", &C[i]); } for(int i = 0;i < n;i++){ for(int j = 0;j < m;j++){ D.addEdge(i*m+j, D.t, G[i][j]); } } long long ans = 0; for(int i = 0;i < n;i++){ D.addEdge(D.s, n*m+i, R[i]); ans += R[i]; for(int j = 0;j < m;j++){ D.addEdge(n*m+i, i*m+j, R[i]); } } for(int i = 0;i < m;i++){ D.addEdge(D.s, n*m+n+i, C[i]); ans += C[i]; for(int j = 0;j < n;j++){ D.addEdge(n*m+n+i, j*m+i, C[i]); } } ans -= D.calc(); cout << ans << endl; return 0; }