oj.uz

Submission #630413

# Submission time Handle Problem Language Result Execution time Memory
630413 2022-08-16T10:39:04 Z Ooops_sorry Game (APIO22_game) C++17
60 / 100
 4000 ms 42568 KB 
#include<bits/stdc++.h>

using namespace std;

mt19937 rnd(51);

#define ll long long
#define pb push_back
#define ld long double

const int N = 3e5 + 10, INF = 1e9;
int n, k, in[N], out[N];
vector<int> g[N], gr[N];
bool cycle = 0;

void dfs(int v) {
    if (v >= k && in[v] >= out[v]) {
        cycle = 1;
    }
    for (auto to : g[v]) {
        if (in[v] > in[to]) {
            in[to] = in[v];
            dfs(to);
        }
    }
}

void zhfs(int v) {
    if (v >= k && in[v] >= out[v]) {
        cycle = 1;
    }
    for (auto to : gr[v]) {
        if (out[v] < out[to]) {
            out[to] = out[v];
            zhfs(to);
        }
    }
}

int add_teleporter(int u, int v) {
    if (max(u, v) < k) {
        if (u >= v) {
            cycle = 1;
        }
    } else {
        g[u].pb(v);
        gr[v].pb(u);
        dfs(u);
        zhfs(v);
    }
    return cycle;
}

void init(int n_, int k_) {
    n = n_, k = k_;
    for (int i = 0; i < n; i++) {
        in[i] = -INF, out[i] = INF;
    }
    for (int i = 0; i < k; i++) {
        in[i] = out[i] = i;
        if (i + 1 < k) {
            add_teleporter(i, i + 1);
        }
    }
}

#ifdef LOCAL

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif // LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m, k;
    cin >> n >> m >> k;
    vector<pair<int,int>> e(m);
    for (int i = 0; i < m; i++) {
        cin >> e[i].first >> e[i].second;
    }
    init(n, k);
    int i;
    for (i = 0; i < m; i++) {
        int res = add_teleporter(e[i].first, e[i].second);
        assert(res == 0 || res == 1);
        if (res == 1) {
            break;
        }
    }
    cout << i << endl;
    return 0;
}

#endif // LOCAL

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14288 KB Output is correct
2 Correct 10 ms 14288 KB Output is correct
3 Correct 9 ms 14288 KB Output is correct
4 Correct 8 ms 14288 KB Output is correct
5 Correct 8 ms 14288 KB Output is correct
6 Correct 8 ms 14288 KB Output is correct
7 Correct 8 ms 14288 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14288 KB Output is correct
2 Correct 10 ms 14288 KB Output is correct
3 Correct 9 ms 14288 KB Output is correct
4 Correct 8 ms 14288 KB Output is correct
5 Correct 8 ms 14288 KB Output is correct
6 Correct 8 ms 14288 KB Output is correct
7 Correct 8 ms 14288 KB Output is correct
8 Correct 8 ms 14300 KB Output is correct
9 Correct 7 ms 14288 KB Output is correct
10 Correct 7 ms 14288 KB Output is correct
11 Correct 9 ms 14288 KB Output is correct
12 Correct 7 ms 14288 KB Output is correct
13 Correct 7 ms 14288 KB Output is correct
14 Correct 7 ms 14288 KB Output is correct
15 Correct 8 ms 14400 KB Output is correct
16 Correct 8 ms 14288 KB Output is correct
17 Correct 7 ms 14288 KB Output is correct
18 Correct 7 ms 14288 KB Output is correct
19 Correct 8 ms 14400 KB Output is correct

Subtask #3
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14288 KB Output is correct
2 Correct 10 ms 14288 KB Output is correct
3 Correct 9 ms 14288 KB Output is correct
4 Correct 8 ms 14288 KB Output is correct
5 Correct 8 ms 14288 KB Output is correct
6 Correct 8 ms 14288 KB Output is correct
7 Correct 8 ms 14288 KB Output is correct
8 Correct 8 ms 14300 KB Output is correct
9 Correct 7 ms 14288 KB Output is correct
10 Correct 7 ms 14288 KB Output is correct
11 Correct 9 ms 14288 KB Output is correct
12 Correct 7 ms 14288 KB Output is correct
13 Correct 7 ms 14288 KB Output is correct
14 Correct 7 ms 14288 KB Output is correct
15 Correct 8 ms 14400 KB Output is correct
16 Correct 8 ms 14288 KB Output is correct
17 Correct 7 ms 14288 KB Output is correct
18 Correct 7 ms 14288 KB Output is correct
19 Correct 8 ms 14400 KB Output is correct
20 Correct 9 ms 14416 KB Output is correct
21 Correct 9 ms 14416 KB Output is correct
22 Correct 9 ms 14392 KB Output is correct
23 Correct 9 ms 14424 KB Output is correct
24 Correct 11 ms 14416 KB Output is correct
25 Correct 10 ms 14420 KB Output is correct
26 Correct 10 ms 14504 KB Output is correct
27 Correct 12 ms 14560 KB Output is correct
28 Correct 9 ms 14416 KB Output is correct
29 Correct 9 ms 14416 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14288 KB Output is correct
2 Correct 10 ms 14288 KB Output is correct
3 Correct 9 ms 14288 KB Output is correct
4 Correct 8 ms 14288 KB Output is correct
5 Correct 8 ms 14288 KB Output is correct
6 Correct 8 ms 14288 KB Output is correct
7 Correct 8 ms 14288 KB Output is correct
8 Correct 8 ms 14300 KB Output is correct
9 Correct 7 ms 14288 KB Output is correct
10 Correct 7 ms 14288 KB Output is correct
11 Correct 9 ms 14288 KB Output is correct
12 Correct 7 ms 14288 KB Output is correct
13 Correct 7 ms 14288 KB Output is correct
14 Correct 7 ms 14288 KB Output is correct
15 Correct 8 ms 14400 KB Output is correct
16 Correct 8 ms 14288 KB Output is correct
17 Correct 7 ms 14288 KB Output is correct
18 Correct 7 ms 14288 KB Output is correct
19 Correct 8 ms 14400 KB Output is correct
20 Correct 9 ms 14416 KB Output is correct
21 Correct 9 ms 14416 KB Output is correct
22 Correct 9 ms 14392 KB Output is correct
23 Correct 9 ms 14424 KB Output is correct
24 Correct 11 ms 14416 KB Output is correct
25 Correct 10 ms 14420 KB Output is correct
26 Correct 10 ms 14504 KB Output is correct
27 Correct 12 ms 14560 KB Output is correct
28 Correct 9 ms 14416 KB Output is correct
29 Correct 9 ms 14416 KB Output is correct
30 Correct 24 ms 15688 KB Output is correct
31 Correct 12 ms 15000 KB Output is correct
32 Correct 26 ms 17128 KB Output is correct
33 Correct 34 ms 16504 KB Output is correct
34 Correct 1100 ms 17832 KB Output is correct
35 Correct 380 ms 17016 KB Output is correct
36 Correct 65 ms 16436 KB Output is correct
37 Correct 38 ms 16400 KB Output is correct
38 Correct 32 ms 16180 KB Output is correct
39 Correct 40 ms 16236 KB Output is correct
40 Correct 858 ms 18016 KB Output is correct
41 Correct 185 ms 16616 KB Output is correct
42 Correct 111 ms 16564 KB Output is correct
43 Correct 47 ms 17992 KB Output is correct
44 Correct 799 ms 17840 KB Output is correct

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 14288 KB Output is correct
2 Correct 10 ms 14288 KB Output is correct
3 Correct 9 ms 14288 KB Output is correct
4 Correct 8 ms 14288 KB Output is correct
5 Correct 8 ms 14288 KB Output is correct
6 Correct 8 ms 14288 KB Output is correct
7 Correct 8 ms 14288 KB Output is correct
8 Correct 8 ms 14300 KB Output is correct
9 Correct 7 ms 14288 KB Output is correct
10 Correct 7 ms 14288 KB Output is correct
11 Correct 9 ms 14288 KB Output is correct
12 Correct 7 ms 14288 KB Output is correct
13 Correct 7 ms 14288 KB Output is correct
14 Correct 7 ms 14288 KB Output is correct
15 Correct 8 ms 14400 KB Output is correct
16 Correct 8 ms 14288 KB Output is correct
17 Correct 7 ms 14288 KB Output is correct
18 Correct 7 ms 14288 KB Output is correct
19 Correct 8 ms 14400 KB Output is correct
20 Correct 9 ms 14416 KB Output is correct
21 Correct 9 ms 14416 KB Output is correct
22 Correct 9 ms 14392 KB Output is correct
23 Correct 9 ms 14424 KB Output is correct
24 Correct 11 ms 14416 KB Output is correct
25 Correct 10 ms 14420 KB Output is correct
26 Correct 10 ms 14504 KB Output is correct
27 Correct 12 ms 14560 KB Output is correct
28 Correct 9 ms 14416 KB Output is correct
29 Correct 9 ms 14416 KB Output is correct
30 Correct 24 ms 15688 KB Output is correct
31 Correct 12 ms 15000 KB Output is correct
32 Correct 26 ms 17128 KB Output is correct
33 Correct 34 ms 16504 KB Output is correct
34 Correct 1100 ms 17832 KB Output is correct
35 Correct 380 ms 17016 KB Output is correct
36 Correct 65 ms 16436 KB Output is correct
37 Correct 38 ms 16400 KB Output is correct
38 Correct 32 ms 16180 KB Output is correct
39 Correct 40 ms 16236 KB Output is correct
40 Correct 858 ms 18016 KB Output is correct
41 Correct 185 ms 16616 KB Output is correct
42 Correct 111 ms 16564 KB Output is correct
43 Correct 47 ms 17992 KB Output is correct
44 Correct 799 ms 17840 KB Output is correct
45 Correct 255 ms 28092 KB Output is correct
46 Correct 13 ms 17104 KB Output is correct
47 Correct 14 ms 17068 KB Output is correct
48 Correct 370 ms 42568 KB Output is correct
49 Correct 275 ms 35620 KB Output is correct
50 Execution timed out 4003 ms 33160 KB Time limit exceeded
51 Halted 0 ms 0 KB -