結果
問題 | No.1911 Alternately Coloring |
ユーザー | Sumitacchan |
提出日時 | 2022-04-22 22:30:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,363 bytes |
コンパイル時間 | 2,616 ms |
コンパイル使用メモリ | 217,708 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-24 03:48:15 |
合計ジャッジ時間 | 10,090 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 353 ms
6,944 KB |
testcase_07 | AC | 279 ms
6,940 KB |
testcase_08 | AC | 278 ms
6,940 KB |
testcase_09 | AC | 350 ms
6,944 KB |
testcase_10 | AC | 258 ms
6,944 KB |
testcase_11 | AC | 321 ms
6,944 KB |
testcase_12 | AC | 348 ms
6,940 KB |
testcase_13 | AC | 305 ms
6,944 KB |
testcase_14 | AC | 224 ms
6,940 KB |
testcase_15 | AC | 298 ms
6,944 KB |
testcase_16 | AC | 289 ms
6,940 KB |
testcase_17 | AC | 298 ms
6,940 KB |
testcase_18 | AC | 207 ms
6,940 KB |
testcase_19 | AC | 235 ms
6,940 KB |
testcase_20 | AC | 265 ms
6,940 KB |
testcase_21 | AC | 156 ms
6,940 KB |
testcase_22 | AC | 337 ms
6,944 KB |
testcase_23 | AC | 416 ms
6,940 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 282 ms
6,944 KB |
testcase_28 | AC | 85 ms
6,940 KB |
testcase_29 | AC | 217 ms
6,940 KB |
testcase_30 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; //using namespace atcoder; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin);i<(end);i++) #define REP(i, n) FOR(i,0,n) #define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--) #define IREP(i, n) IFOR(i,0,n) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define all(v) v.begin(),v.end() #define SZ(v) ((int)v.size()) #define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x)) #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) #define bit(n) (1LL<<(n)) #define debug(x) cout << #x << "=" << x << endl; #define vdebug(v) { cout << #v << "=" << endl; REP(i_debug, (int)v.size()){ cout << v[i_debug] << ","; } cout << endl; } #define mdebug(m) { cout << #m << "=" << endl; REP(i_debug, (int)m.size()){ REP(j_debug, (int)m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} } #define pb push_back #define fi first #define se second #define int long long #define INF 1000000000000000000 template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < (int)v.size(); i++) { cout << v[i]; if(i != (int)v.size() - 1) cout << endl; }; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p){ cout << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T> void Out(T x) { cout << x << endl; } template<typename T1, typename T2> void chOut(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); } using vec = vector<int>; using mat = vector<vec>; using Pii = pair<int, int>; using v_bool = vector<bool>; using v_Pii = vector<Pii>; //int dx[4] = {1,0,-1,0}; //int dy[4] = {0,1,0,-1}; //char d[4] = {'D','R','U','L'}; //const int mod = 1000000007; const int mod = 998244353; template<typename T> struct edge{ int to; T cost; int id; }; template<typename T = long long> struct Graph { int N; vector<vector<edge<T>>> E; vec col; Graph(int N): N(N){ E = vector<vector<edge<T>>>(N, vector<edge<T>>(0)); col = vec(N, -1); } void add_Directed_edge(int from, int to, T cost = 1, int id = 0){ E[from].push_back(edge<T>({ to, cost, id })); } void add_Undirected_edge(int v1, int v2, T cost = 1, int id = 0){ add_Directed_edge(v1, v2, cost, id); add_Directed_edge(v2, v1, cost, id); } vector<T> dijkstra(int s, T T_INF = INF){ using PTi = pair<T, int>; vector<T> d(N); priority_queue<PTi, vector<PTi>, greater<PTi>> que; fill(d.begin(), d.end(), T_INF); d[s] = 0; que.push(PTi(0, s)); while(!que.empty()){ PTi p = que.top(); que.pop(); int v = p.second; if(d[v] < p.first) continue; for(auto e: E[v]){ if(d[e.to] > d[v] + e.cost){ d[e.to] = d[v] + e.cost; que.push(PTi(d[e.to], e.to)); } } } return d; } void dfs(int v, int c = 0){ col[v] = c; for(auto e: E[v]) if(col[e.to] == -1) dfs(e.to, c ^ 1); } }; signed main(){ int N, M; cin >> N >> M; vec u(M), v(M); REP(i, M){ cin >> u[i] >> v[i]; u[i]--; v[i]--; } vec R(N), B(N); cin >> R >> B; Graph G(2 * N); REP(i, M){ REP(_, 2){ G.add_Directed_edge(u[i], v[i] + N, max(0LL, R[v[i]] - B[v[i]])); G.add_Directed_edge(u[i] + N, v[i], max(0LL, B[v[i]] - R[v[i]])); swap(u[i], v[i]); } } int MM = INF; REP(i, N){ chmin(MM, G.dijkstra(i)[i + N]); chmin(MM, G.dijkstra(i + N)[i]); } int ans = 0; if(MM < INF){ REP(i, N) ans += max(R[i], B[i]); ans -= MM; }else{ G.dfs(0); REP(k, 2){ int t = 0; REP(i, N){ if(G.col[i] == k) t += R[i]; else t += B[i]; } chmax(ans, t); } } Out(ans); return 0; }