QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#583460#9319. Bull FarmstarryskymeowTL 196ms18908kbC++203.9kb2024-09-22 20:01:432024-09-22 20:01:43

Judging History

你现在查看的是最新测评结果

  • [2024-09-22 20:01:43]
  • 评测
  • 测评结果:TL
  • 用时:196ms
  • 内存:18908kb
  • [2024-09-22 20:01:43]
  • 提交

answer

#include <bits/stdc++.h>

#include <algorithm>
#include <queue>

#ifdef LOCAL
#include "debug.h"
#else
#define deb(...) 114514
#endif

using namespace std;

using LL = long long;
using pii = pair<int, int>;
using pll = pair<LL, LL>;
const int INF = 0x3f3f3f3f;
const int Mod = 1e9 + 7;
const int N = 3e5 + 10;

class DSU {
public:
    std::vector<int> d;
    DSU(std::size_t size) : d(size + 1) {
        std::iota(d.begin(), d.end(), 0);
    }
    int root(int u) {
        return d[u] == u ? u : d[u] = root(d[u]);
    }
    void bind(int u, int v) {
        d[root(u)] = root(v);
    }
};

void solve() {
    int n, l, q;
    cin >> n >> l >> q;
    DSU dsu(n);
    vector<vector<array<int, 2>>> gra(n + 1);
    for (int i = 1; i <= l; i++) {
        string s;
        cin >> s;
        vector<int> to(n + 1);
        vector<array<int, 2>> fa(n + 1);
        vector<char> vis(n + 1);
        bool ok = 1;
        int p = 0;
        for (int j = 0; j < 2 * n; j += 2) {
            int u = j / 2 + 1;
            int v = (s[j] - 48) * 50 + (s[j + 1] - 48);
            to[u] = v;
            if (!fa[v][0])
                fa[v][0] = u;
            else if (!fa[v][1]) {
                fa[v][1] = u;
                if (!p)
                    p = v;
                else
                    ok = 0;
            } else
                ok = 0;
        }
        if (!ok)
            continue;
        if (p) {
            int empty = min_element(fa.begin() + 1, fa.end()) - fa.begin();
            gra[fa[p][0]].push_back({empty, i});
            gra[fa[p][1]].push_back({empty, i});
            int v = fa[p][0];
            while (v && !vis[v]) {
                vis[v] = 1;
                v = fa[v][0];
            }
            v = fa[p][1];
            while (v && !vis[v]) {
                vis[v] = 1;
                v = fa[v][0];
            }
        }
        for (int j = 1; j <= n; j++) {
            if (!vis[j]) {
                vis[j] = 1;
                int v = to[j];
                while (v != j) {
                    vis[v] = 1;
                    // if (dsu.root(j) != dsu.root(v)) {
                        gra[j].push_back({v, i}), gra[v].push_back({j, i});
                        // dsu.bind(j, v);
                    // }
                    v = to[v];
                }
            }
        }
    }
    vector<vector<int>> dis(n + 1, vector<int>(n + 1, INF));
    for (int i = 1; i <= n; i++) {
        priority_queue<array<int, 2>, vector<array<int, 2>>, greater<>> que;
        que.push({0, i});
        vector<char> vis(n + 1);
        dis[i][i] = 0;
        while (que.size()) {
            auto [dist, u] = que.top();
            que.pop();
            if (vis[u])
                continue;
            vis[u] = 1;
            for (auto [v, t] : gra[u]) {
                if (dis[i][v] > max(dist, t)) {
                    dis[i][v] = max(dist, t);
                    que.push({max(dist, t), v});
                }
            }
        }
    }
    // deb(gra);
    while (q--) {
        string s;
        cin >> s;
        int u = (s[0] - 48) * 50 + s[1] - 48;
        int v = (s[2] - 48) * 50 + s[3] - 48;
        int t = (s[4] - 48) * 50 + s[5] - 48;
        if (dis[u][v] <= t) {
            cout << 1;
        } else {
            cout << 0;
        }
    }
    cout << '\n';
}

signed main() {
#ifdef LOCAL
    clock_t tttttttt = clock();
    freopen("in.txt", "r", stdin);
#endif
#ifndef LOCAL
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#endif
    //*****************************************************************
    int t = 1;
    cin >> t;
    while (t--) solve();
//*****************************************************************
#ifdef LOCAL
    cerr << "Time Used: " << fixed << setprecision(3) << (clock() - tttttttt) / (CLOCKS_PER_SEC / 1000.0) << " ms" << endl;
#endif
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3816kb

input:

2
5 2 4
0305040201
0404040404
030300
020500
050102
020501
6 2 4
030603010601
010203060504
030202
060402
050602
060401

output:

1011
0100

result:

ok 2 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

1
3 3 6
020202
030301
030201
020102
030203
010201
010303
020303
010202

output:

010101

result:

ok single line: '010101'

Test #3:

score: 0
Accepted
time: 49ms
memory: 3624kb

input:

200
10 10 5000
01060:04020305080709
0103070:060204050908
09070503080401060:02
050308010204090:0607
03010502040607080:09
03080109020504060:07
06050:09040302080107
07080305010409060:02
030809010:0204060507
0:060908070201050304
060700
090:03
09080:
070405
010703
0:0100
080601
030600
070206
0:0:09
08040...

output:

011110001101101111111111111111111101111111110111011110110110111011010111111111111111111101111111111110111111110111111111111101111111111110111111111111111111110001100111111111111111111111111011101111111111111111111111111111111111111111011011110100111110111111110111111100111111101110111111111101111110...

result:

ok 200 lines

Test #4:

score: 0
Accepted
time: 196ms
memory: 18908kb

input:

1
2000 1 1000000
M=:]A@8UAY7W2JJ4KEHIA[HSCQ1ENSC`JXR;F3PJ:_@41P9Z=9HR8P<<:DUXRR9^WOQFL?NZP6S@=J0^WE32=6;\U0?88]Q_RNPUMT6YU<4<S]H?:7OCQYOT4YAV1^764ENWSDBED>M7A:BI>KSIR48JQ9B=N\5T3N4A2aF0@>3TI81<G7;YE>W`NMP<:IT4CI3D0=GZC3I\CLQJQBA9BDIS9SAM55KaVA<Z@D=>:Y?CQHUQ5U3a6UVI8OKX9_FAF^7=5M85;<0;8YPAM<7Z7PP7A=N...

output:

000101000101100010001000000010010110000001000001001100000000010000100001000000101100000000010000001000000001110000010110100000111100100000001000000000011001010001000001001000100000000100011001100110010000010000101100000011111000000010000101010010000000010101000001010111100000100000000000000101000100...

result:

ok single line: '000101000101100010001000000010...0101000101000000000010101001000'

Test #5:

score: -100
Time Limit Exceeded

input:

1
2000 2000 1000000
FVAaH7GRPO;_11Da5J18@3SMG==\G8E8S^6:M4L0JH>MN5IXT>2<7WJ3U8LVJS=;;3F13>0D0>VOIIU@EPHG6ABL6;K?T1PXDERLG07]5C9^GDKG<SBMIW;`4W8P3=469TIPKH0O34523_J5C2MJ17D25Z@=K8H@M>WK<CMK7EO]BPD7B6AW741J5YIHIa1:ERSG>L3N2^F3<4F`DLE@2AA5=8GZK6:192FB736[WMV7:^DA2C:<LK040VJBM3M]WXU50`407TR_?PLF@5VL7OSL...

output:


result: