oj.uz

Submission #648586

# Submission time Handle Problem Language Result Execution time Memory
648586 2022-10-07T06:10:57 Z mychecksedad Joker (BOI20_joker) C++17
14 / 100
 2000 ms 35716 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, l, r;
bool ok;
vector<int> path;
vector<pair<int, int>> g[N];
bitset<M> vis, pos;
void dfs(int v, int p, bool c){
    vis[v] = 1;
    pos[v] = c;
    for(auto k: g[v]){
        int u = k.first;
        if(l <= k.second && k.second <= r) continue;
        if(u != p){
            if(vis[u]){
                ok |= pos[v] == pos[u];
            }
            else
                dfs(u, v, !c);
        }
    }
}
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});
    }
    if(n <= 2000 || q <= 2000){
        for(int i = 0; i < q; ++i){
            cin >> l >> r;
            vis = 0;
            ok = 0;
            for(int v = 1; v <= n; ++v) if(!ok && !vis[v]) dfs(v, v, 0);
            if(ok) cout << "YES\n";
            else cout << "NO\n";
        }
    }
    else{

    }
}





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:67:16: warning: unused variable 'aa' [-Wunused-variable]
   67 |     int T = 1, aa;
      |                ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 13 ms 23780 KB Output is correct
9 Correct 13 ms 23728 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23844 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23760 KB Output is correct
18 Correct 16 ms 23836 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23848 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23720 KB Output is correct
28 Correct 13 ms 23788 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 13 ms 23780 KB Output is correct
9 Correct 13 ms 23728 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23844 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23760 KB Output is correct
18 Correct 16 ms 23836 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23848 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23720 KB Output is correct
28 Correct 13 ms 23788 KB Output is correct
29 Correct 87 ms 23860 KB Output is correct
30 Correct 97 ms 23916 KB Output is correct
31 Correct 104 ms 23928 KB Output is correct
32 Correct 89 ms 23940 KB Output is correct
33 Correct 71 ms 23892 KB Output is correct
34 Correct 97 ms 23892 KB Output is correct
35 Correct 115 ms 23948 KB Output is correct
36 Correct 45 ms 23976 KB Output is correct
37 Correct 88 ms 23936 KB Output is correct
38 Correct 91 ms 23916 KB Output is correct
39 Correct 91 ms 24012 KB Output is correct
40 Correct 84 ms 23892 KB Output is correct
41 Correct 86 ms 23892 KB Output is correct
42 Correct 86 ms 23948 KB Output is correct
43 Correct 79 ms 23892 KB Output is correct
44 Correct 100 ms 23932 KB Output is correct
45 Correct 112 ms 23936 KB Output is correct
46 Correct 110 ms 23892 KB Output is correct
47 Correct 81 ms 23860 KB Output is correct
48 Correct 89 ms 23936 KB Output is correct
49 Correct 99 ms 23924 KB Output is correct
50 Correct 92 ms 23924 KB Output is correct
51 Correct 80 ms 23924 KB Output is correct
52 Correct 92 ms 23936 KB Output is correct
53 Correct 105 ms 23936 KB Output is correct
54 Correct 112 ms 23932 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Incorrect 65 ms 28492 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 13 ms 23780 KB Output is correct
9 Correct 13 ms 23728 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23844 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23760 KB Output is correct
18 Correct 16 ms 23836 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23848 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23720 KB Output is correct
28 Correct 13 ms 23788 KB Output is correct
29 Incorrect 65 ms 28492 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 13 ms 23780 KB Output is correct
9 Correct 13 ms 23728 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23844 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23760 KB Output is correct
18 Correct 16 ms 23836 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23848 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23720 KB Output is correct
28 Correct 13 ms 23788 KB Output is correct
29 Correct 87 ms 23860 KB Output is correct
30 Correct 97 ms 23916 KB Output is correct
31 Correct 104 ms 23928 KB Output is correct
32 Correct 89 ms 23940 KB Output is correct
33 Correct 71 ms 23892 KB Output is correct
34 Correct 97 ms 23892 KB Output is correct
35 Correct 115 ms 23948 KB Output is correct
36 Correct 45 ms 23976 KB Output is correct
37 Correct 88 ms 23936 KB Output is correct
38 Correct 91 ms 23916 KB Output is correct
39 Correct 91 ms 24012 KB Output is correct
40 Correct 84 ms 23892 KB Output is correct
41 Correct 86 ms 23892 KB Output is correct
42 Correct 86 ms 23948 KB Output is correct
43 Correct 79 ms 23892 KB Output is correct
44 Correct 100 ms 23932 KB Output is correct
45 Correct 112 ms 23936 KB Output is correct
46 Correct 110 ms 23892 KB Output is correct
47 Correct 81 ms 23860 KB Output is correct
48 Correct 89 ms 23936 KB Output is correct
49 Correct 99 ms 23924 KB Output is correct
50 Correct 92 ms 23924 KB Output is correct
51 Correct 80 ms 23924 KB Output is correct
52 Correct 92 ms 23936 KB Output is correct
53 Correct 105 ms 23936 KB Output is correct
54 Correct 112 ms 23932 KB Output is correct
55 Execution timed out 2079 ms 35716 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23764 KB Output is correct
8 Correct 13 ms 23780 KB Output is correct
9 Correct 13 ms 23728 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23844 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23760 KB Output is correct
18 Correct 16 ms 23836 KB Output is correct
19 Correct 13 ms 23752 KB Output is correct
20 Correct 13 ms 23764 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23848 KB Output is correct
23 Correct 13 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23720 KB Output is correct
28 Correct 13 ms 23788 KB Output is correct
29 Correct 87 ms 23860 KB Output is correct
30 Correct 97 ms 23916 KB Output is correct
31 Correct 104 ms 23928 KB Output is correct
32 Correct 89 ms 23940 KB Output is correct
33 Correct 71 ms 23892 KB Output is correct
34 Correct 97 ms 23892 KB Output is correct
35 Correct 115 ms 23948 KB Output is correct
36 Correct 45 ms 23976 KB Output is correct
37 Correct 88 ms 23936 KB Output is correct
38 Correct 91 ms 23916 KB Output is correct
39 Correct 91 ms 24012 KB Output is correct
40 Correct 84 ms 23892 KB Output is correct
41 Correct 86 ms 23892 KB Output is correct
42 Correct 86 ms 23948 KB Output is correct
43 Correct 79 ms 23892 KB Output is correct
44 Correct 100 ms 23932 KB Output is correct
45 Correct 112 ms 23936 KB Output is correct
46 Correct 110 ms 23892 KB Output is correct
47 Correct 81 ms 23860 KB Output is correct
48 Correct 89 ms 23936 KB Output is correct
49 Correct 99 ms 23924 KB Output is correct
50 Correct 92 ms 23924 KB Output is correct
51 Correct 80 ms 23924 KB Output is correct
52 Correct 92 ms 23936 KB Output is correct
53 Correct 105 ms 23936 KB Output is correct
54 Correct 112 ms 23932 KB Output is correct
55 Incorrect 65 ms 28492 KB Output isn't correct
56 Halted 0 ms 0 KB -