oj.uz

Submission #648580

# Submission time Handle Problem Language Result Execution time Memory
648580 2022-10-07T06:04:00 Z mychecksedad Joker (BOI20_joker) C++17
14 / 100
 2000 ms 39004 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef long double ld;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define setp() cout << setprecision(15)
#define all(x) x.begin(), x.end()
#define oset tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update>
#define debug(x) cerr << #x << " is " << x << '\n';
const int N = 1e6+100, M = 1e5+10, F = 2147483646, K = 20;


int n, m, q, pos[N];
bool ok;
vector<int> path;
vector<pair<int, int>> g[N];
vector<bool> vis, edg(N);
void dfs(int v, int p){
    vis[v] = 1;
    path.pb(v);
    pos[v] = path.size();
    for(auto k: g[v]){
        int u = k.first;
        if(edg[k.second]) continue;
        if(u != p){
            if(vis[u]){
                if(pos[v] % 2 == pos[u] % 2){
                    ok = 1;
                }
            }
            else
                dfs(u, v);
        }
    }
    path.pop_back();
}
void solve(){
    cin >> n >> m >> q;
    for(int i = 0; i < m; ++i){
        int u, v; cin >> u >> v;
        g[u].pb({v, i + 1});
        g[v].pb({u, i + 1});
    }
    for(int i = 0; i < q; ++i){
        int l, r; cin >> l >> r;
        for(int j = 1; j <= m; ++j) edg[j] = (l <= j && j <= r);
        vis.clear();
        vis.resize(n+1);
        ok = 0;
        for(int v = 1; v <= n; ++v) if(!vis[v]) dfs(v, v);
        if(ok) cout << "YES\n";
        else cout << "NO\n";
    }
}





int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    int T = 1, aa;
    // cin >> T;aa=T;
    while(T--){
        // cout << "Case #" << aa-T << ": ";
        solve();
        cout << '\n';
    }
    return 0;
 
}

Compilation message

Joker.cpp: In function 'int main()':
Joker.cpp:68:16: warning: unused variable 'aa' [-Wunused-variable]
   68 |     int T = 1, aa;
      |                ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23892 KB Output is correct
2 Correct 14 ms 23892 KB Output is correct
3 Correct 15 ms 23936 KB Output is correct
4 Correct 13 ms 23892 KB Output is correct
5 Correct 15 ms 23892 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 12 ms 23868 KB Output is correct
8 Correct 14 ms 23944 KB Output is correct
9 Correct 15 ms 23892 KB Output is correct
10 Correct 13 ms 23940 KB Output is correct
11 Correct 15 ms 23892 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 12 ms 23940 KB Output is correct
14 Correct 13 ms 23892 KB Output is correct
15 Correct 13 ms 23892 KB Output is correct
16 Correct 14 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23916 KB Output is correct
19 Correct 13 ms 23856 KB Output is correct
20 Correct 15 ms 23892 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 14 ms 23944 KB Output is correct
23 Correct 14 ms 23940 KB Output is correct
24 Correct 13 ms 23936 KB Output is correct
25 Correct 13 ms 23832 KB Output is correct
26 Correct 15 ms 23892 KB Output is correct
27 Correct 18 ms 23940 KB Output is correct
28 Correct 17 ms 23912 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23892 KB Output is correct
2 Correct 14 ms 23892 KB Output is correct
3 Correct 15 ms 23936 KB Output is correct
4 Correct 13 ms 23892 KB Output is correct
5 Correct 15 ms 23892 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 12 ms 23868 KB Output is correct
8 Correct 14 ms 23944 KB Output is correct
9 Correct 15 ms 23892 KB Output is correct
10 Correct 13 ms 23940 KB Output is correct
11 Correct 15 ms 23892 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 12 ms 23940 KB Output is correct
14 Correct 13 ms 23892 KB Output is correct
15 Correct 13 ms 23892 KB Output is correct
16 Correct 14 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23916 KB Output is correct
19 Correct 13 ms 23856 KB Output is correct
20 Correct 15 ms 23892 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 14 ms 23944 KB Output is correct
23 Correct 14 ms 23940 KB Output is correct
24 Correct 13 ms 23936 KB Output is correct
25 Correct 13 ms 23832 KB Output is correct
26 Correct 15 ms 23892 KB Output is correct
27 Correct 18 ms 23940 KB Output is correct
28 Correct 17 ms 23912 KB Output is correct
29 Correct 93 ms 24008 KB Output is correct
30 Correct 155 ms 24068 KB Output is correct
31 Correct 172 ms 24148 KB Output is correct
32 Correct 128 ms 24056 KB Output is correct
33 Correct 106 ms 24076 KB Output is correct
34 Correct 166 ms 24004 KB Output is correct
35 Correct 179 ms 24020 KB Output is correct
36 Correct 63 ms 24004 KB Output is correct
37 Correct 109 ms 24084 KB Output is correct
38 Correct 117 ms 24060 KB Output is correct
39 Correct 125 ms 24080 KB Output is correct
40 Correct 120 ms 24108 KB Output is correct
41 Correct 113 ms 24092 KB Output is correct
42 Correct 118 ms 24096 KB Output is correct
43 Correct 101 ms 24060 KB Output is correct
44 Correct 128 ms 24084 KB Output is correct
45 Correct 142 ms 24080 KB Output is correct
46 Correct 150 ms 24084 KB Output is correct
47 Correct 130 ms 24072 KB Output is correct
48 Correct 127 ms 24072 KB Output is correct
49 Correct 136 ms 24068 KB Output is correct
50 Correct 185 ms 24060 KB Output is correct
51 Correct 116 ms 24080 KB Output is correct
52 Correct 123 ms 24084 KB Output is correct
53 Correct 158 ms 24084 KB Output is correct
54 Correct 183 ms 24076 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23892 KB Output is correct
2 Correct 14 ms 23892 KB Output is correct
3 Execution timed out 2077 ms 34744 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23892 KB Output is correct
2 Correct 14 ms 23892 KB Output is correct
3 Correct 15 ms 23936 KB Output is correct
4 Correct 13 ms 23892 KB Output is correct
5 Correct 15 ms 23892 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 12 ms 23868 KB Output is correct
8 Correct 14 ms 23944 KB Output is correct
9 Correct 15 ms 23892 KB Output is correct
10 Correct 13 ms 23940 KB Output is correct
11 Correct 15 ms 23892 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 12 ms 23940 KB Output is correct
14 Correct 13 ms 23892 KB Output is correct
15 Correct 13 ms 23892 KB Output is correct
16 Correct 14 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23916 KB Output is correct
19 Correct 13 ms 23856 KB Output is correct
20 Correct 15 ms 23892 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 14 ms 23944 KB Output is correct
23 Correct 14 ms 23940 KB Output is correct
24 Correct 13 ms 23936 KB Output is correct
25 Correct 13 ms 23832 KB Output is correct
26 Correct 15 ms 23892 KB Output is correct
27 Correct 18 ms 23940 KB Output is correct
28 Correct 17 ms 23912 KB Output is correct
29 Execution timed out 2077 ms 34744 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23892 KB Output is correct
2 Correct 14 ms 23892 KB Output is correct
3 Correct 15 ms 23936 KB Output is correct
4 Correct 13 ms 23892 KB Output is correct
5 Correct 15 ms 23892 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 12 ms 23868 KB Output is correct
8 Correct 14 ms 23944 KB Output is correct
9 Correct 15 ms 23892 KB Output is correct
10 Correct 13 ms 23940 KB Output is correct
11 Correct 15 ms 23892 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 12 ms 23940 KB Output is correct
14 Correct 13 ms 23892 KB Output is correct
15 Correct 13 ms 23892 KB Output is correct
16 Correct 14 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23916 KB Output is correct
19 Correct 13 ms 23856 KB Output is correct
20 Correct 15 ms 23892 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 14 ms 23944 KB Output is correct
23 Correct 14 ms 23940 KB Output is correct
24 Correct 13 ms 23936 KB Output is correct
25 Correct 13 ms 23832 KB Output is correct
26 Correct 15 ms 23892 KB Output is correct
27 Correct 18 ms 23940 KB Output is correct
28 Correct 17 ms 23912 KB Output is correct
29 Correct 93 ms 24008 KB Output is correct
30 Correct 155 ms 24068 KB Output is correct
31 Correct 172 ms 24148 KB Output is correct
32 Correct 128 ms 24056 KB Output is correct
33 Correct 106 ms 24076 KB Output is correct
34 Correct 166 ms 24004 KB Output is correct
35 Correct 179 ms 24020 KB Output is correct
36 Correct 63 ms 24004 KB Output is correct
37 Correct 109 ms 24084 KB Output is correct
38 Correct 117 ms 24060 KB Output is correct
39 Correct 125 ms 24080 KB Output is correct
40 Correct 120 ms 24108 KB Output is correct
41 Correct 113 ms 24092 KB Output is correct
42 Correct 118 ms 24096 KB Output is correct
43 Correct 101 ms 24060 KB Output is correct
44 Correct 128 ms 24084 KB Output is correct
45 Correct 142 ms 24080 KB Output is correct
46 Correct 150 ms 24084 KB Output is correct
47 Correct 130 ms 24072 KB Output is correct
48 Correct 127 ms 24072 KB Output is correct
49 Correct 136 ms 24068 KB Output is correct
50 Correct 185 ms 24060 KB Output is correct
51 Correct 116 ms 24080 KB Output is correct
52 Correct 123 ms 24084 KB Output is correct
53 Correct 158 ms 24084 KB Output is correct
54 Correct 183 ms 24076 KB Output is correct
55 Execution timed out 2089 ms 39004 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 23892 KB Output is correct
2 Correct 14 ms 23892 KB Output is correct
3 Correct 15 ms 23936 KB Output is correct
4 Correct 13 ms 23892 KB Output is correct
5 Correct 15 ms 23892 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 12 ms 23868 KB Output is correct
8 Correct 14 ms 23944 KB Output is correct
9 Correct 15 ms 23892 KB Output is correct
10 Correct 13 ms 23940 KB Output is correct
11 Correct 15 ms 23892 KB Output is correct
12 Correct 14 ms 23824 KB Output is correct
13 Correct 12 ms 23940 KB Output is correct
14 Correct 13 ms 23892 KB Output is correct
15 Correct 13 ms 23892 KB Output is correct
16 Correct 14 ms 23892 KB Output is correct
17 Correct 13 ms 23892 KB Output is correct
18 Correct 13 ms 23916 KB Output is correct
19 Correct 13 ms 23856 KB Output is correct
20 Correct 15 ms 23892 KB Output is correct
21 Correct 13 ms 23892 KB Output is correct
22 Correct 14 ms 23944 KB Output is correct
23 Correct 14 ms 23940 KB Output is correct
24 Correct 13 ms 23936 KB Output is correct
25 Correct 13 ms 23832 KB Output is correct
26 Correct 15 ms 23892 KB Output is correct
27 Correct 18 ms 23940 KB Output is correct
28 Correct 17 ms 23912 KB Output is correct
29 Correct 93 ms 24008 KB Output is correct
30 Correct 155 ms 24068 KB Output is correct
31 Correct 172 ms 24148 KB Output is correct
32 Correct 128 ms 24056 KB Output is correct
33 Correct 106 ms 24076 KB Output is correct
34 Correct 166 ms 24004 KB Output is correct
35 Correct 179 ms 24020 KB Output is correct
36 Correct 63 ms 24004 KB Output is correct
37 Correct 109 ms 24084 KB Output is correct
38 Correct 117 ms 24060 KB Output is correct
39 Correct 125 ms 24080 KB Output is correct
40 Correct 120 ms 24108 KB Output is correct
41 Correct 113 ms 24092 KB Output is correct
42 Correct 118 ms 24096 KB Output is correct
43 Correct 101 ms 24060 KB Output is correct
44 Correct 128 ms 24084 KB Output is correct
45 Correct 142 ms 24080 KB Output is correct
46 Correct 150 ms 24084 KB Output is correct
47 Correct 130 ms 24072 KB Output is correct
48 Correct 127 ms 24072 KB Output is correct
49 Correct 136 ms 24068 KB Output is correct
50 Correct 185 ms 24060 KB Output is correct
51 Correct 116 ms 24080 KB Output is correct
52 Correct 123 ms 24084 KB Output is correct
53 Correct 158 ms 24084 KB Output is correct
54 Correct 183 ms 24076 KB Output is correct
55 Execution timed out 2077 ms 34744 KB Time limit exceeded
56 Halted 0 ms 0 KB -