結果
問題 | No.1288 yuki collection |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-11-13 23:03:30 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 287 ms / 5,000 ms |
コード長 | 4,116 bytes |
コンパイル時間 | 1,217 ms |
コンパイル使用メモリ | 108,964 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-22 22:00:27 |
合計ジャッジ時間 | 7,465 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 3 ms
5,376 KB |
testcase_13 | AC | 239 ms
5,376 KB |
testcase_14 | AC | 235 ms
5,376 KB |
testcase_15 | AC | 191 ms
5,376 KB |
testcase_16 | AC | 188 ms
5,376 KB |
testcase_17 | AC | 238 ms
5,376 KB |
testcase_18 | AC | 244 ms
5,376 KB |
testcase_19 | AC | 245 ms
5,376 KB |
testcase_20 | AC | 241 ms
5,376 KB |
testcase_21 | AC | 232 ms
5,376 KB |
testcase_22 | AC | 229 ms
5,376 KB |
testcase_23 | AC | 229 ms
5,376 KB |
testcase_24 | AC | 247 ms
5,376 KB |
testcase_25 | AC | 240 ms
5,376 KB |
testcase_26 | AC | 241 ms
5,376 KB |
testcase_27 | AC | 125 ms
5,376 KB |
testcase_28 | AC | 131 ms
5,376 KB |
testcase_29 | AC | 103 ms
5,376 KB |
testcase_30 | AC | 9 ms
5,376 KB |
testcase_31 | AC | 12 ms
5,376 KB |
testcase_32 | AC | 14 ms
5,376 KB |
testcase_33 | AC | 214 ms
5,376 KB |
testcase_34 | AC | 287 ms
5,376 KB |
testcase_35 | AC | 268 ms
5,376 KB |
testcase_36 | AC | 284 ms
5,376 KB |
testcase_37 | AC | 284 ms
5,376 KB |
testcase_38 | AC | 109 ms
5,376 KB |
testcase_39 | AC | 108 ms
5,376 KB |
testcase_40 | AC | 4 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
ソースコード
#include <cassert> #include <cmath> #include <cstdint> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <functional> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <string> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using Int = long long; template <class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &a) { return os << "(" << a.first << ", " << a.second << ")"; }; template <class T> void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; } template <class T> bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; } template <class T> bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; } namespace MCF { #define MAXN 1000010 #define MAXM 1000010 #define wint int #define cint Int const wint wEPS = 0; const wint wINF = 1001001001; const cint cEPS = 0; const cint cINF = 1001001001001001001LL; int n, m, ptr[MAXN], next[MAXM], zu[MAXM]; wint capa[MAXM], tof; cint cost[MAXM], toc, d[MAXN], pot[MAXN]; int vis[MAXN], pree[MAXN]; void init(int _n) { n = _n; m = 0; memset(ptr, ~0, n << 2); } void ae(int u, int v, wint w, cint c) { next[m] = ptr[u]; ptr[u] = m; zu[m] = v; capa[m] = w; cost[m] = +c; ++m; next[m] = ptr[v]; ptr[v] = m; zu[m] = u; capa[m] = 0; cost[m] = -c; ++m; } bool solve(int src, int ink, wint flo = wINF) { wint f; cint c, cc; int i, u, v; memset(pot, 0, n * sizeof(cint)); //* for (bool cont = 1; cont; ) { cont = 0; for (u = 0; u < n; ++u) for (i = ptr[u]; ~i; i = next[i]) if (capa[i] > wEPS) { if (pot[zu[i]] > pot[u] + cost[i] + cEPS) { pot[zu[i]] = pot[u] + cost[i]; cont = 1; } } } //*/ for (toc = 0, tof = 0; tof + wEPS < flo; ) { typedef pair<cint,int> node; priority_queue< node,vector<node>,greater<node> > q; for (u = 0; u < n; ++u) { d[u] = cINF; vis[u] = 0; } for (q.push(make_pair(d[src] = 0, src)); !q.empty(); ) { c = q.top().first; u = q.top().second; q.pop(); if (vis[u]++) continue; for (i = ptr[u]; ~i; i = next[i]) if (capa[i] > wEPS) { cc = c + cost[i] + pot[u] - pot[v = zu[i]]; if (d[v] > cc) { q.push(make_pair(d[v] = cc, v)); pree[v] = i; } } } if (!vis[ink]) return 0; f = flo - tof; for (v = ink; v != src; v = zu[i ^ 1]) { i = pree[v]; chmin(f, capa[i]); } for (v = ink; v != src; v = zu[i ^ 1]) { i = pree[v]; capa[i] -= f; capa[i ^ 1] += f; } tof += f; toc += f * (d[ink] - pot[src] + pot[ink]); for (u = 0; u < n; ++u) pot[u] += d[u]; } return 1; } } int N; char S[2020]; Int V[2020]; int main() { for (; ~scanf("%d", &N); ) { scanf("%s", S); for (int i = 0; i < N; ++i) { scanf("%lld", &V[i]); } MCF::init(N * 2 + 2); vector<int>ids(N); for (int i = 0; i < N; ++i) { if (S[i] == 'y') { MCF::ae(N * 2, i * 2, N, 0); } if (S[i] == 'i') { MCF::ae(i * 2 + 1, N * 2 + 1, N, 0); } ids[i]=MCF::m; MCF::ae(i * 2, i * 2 + 1, 1, -V[i]); for (int j = i + 1; j < N; ++j) { if (S[i] == S[j]) { MCF::ae(i * 2, j * 2, N, 0); break; } } for (int j = i + 1; j < N; ++j) { if ((S[i] == 'y' && S[j] == 'u') || (S[i] == 'u' && S[j] == 'k') || (S[i] == 'k' && S[j] == 'i')) { MCF::ae(i * 2 + 1, j * 2, N, 0); break; } } } MCF::ae(N * 2, N * 2 + 1, N, 0); MCF::solve(N * 2, N * 2 + 1, N); printf("%lld\n", -MCF::toc); vector<int>used(N,0); for(int i=0;i<N;++i)used[i]=MCF::capa[ids[i]^1]; // cerr<<"used = ";pv(used.begin(),used.end()); Int score=0; for(int i=0;i<N;++i)if(used[i])score+=V[i]; assert(-MCF::toc==score); for(int i=0;i<N;++i)if(used[i]){ int j=i; for(char c:{'y','u','k','i'}){ for(;j<N&&!(S[j]==c&&used[j]);++j){} assert(j<N); used[j++]=0; } } for(int i=0;i<N;++i)assert(!used[i]); } return 0; }