oj.uz

Submission #648585

# Submission time Handle Problem Language Result Execution time Memory
648585 2022-10-07T06:09:24 Z mychecksedad Joker (BOI20_joker) C++17
14 / 100
 2000 ms 36536 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], l, r;
bool ok;
vector<int> path;
vector<pair<int, int>> g[N];
bitset<M> vis;
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(l <= k.second && k.second <= r) 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});
    }
    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);
            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:71:16: warning: unused variable 'aa' [-Wunused-variable]
   71 |     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 14 ms 23768 KB Output is correct
3 Correct 12 ms 23708 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23780 KB Output is correct
6 Correct 13 ms 23712 KB Output is correct
7 Correct 14 ms 23892 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 13 ms 23892 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23804 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 17 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 15 ms 23764 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct
21 Correct 13 ms 23796 KB Output is correct
22 Correct 14 ms 23852 KB Output is correct
23 Correct 14 ms 23848 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23772 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23808 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 14 ms 23768 KB Output is correct
3 Correct 12 ms 23708 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23780 KB Output is correct
6 Correct 13 ms 23712 KB Output is correct
7 Correct 14 ms 23892 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 13 ms 23892 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23804 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 17 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 15 ms 23764 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct
21 Correct 13 ms 23796 KB Output is correct
22 Correct 14 ms 23852 KB Output is correct
23 Correct 14 ms 23848 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23772 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23808 KB Output is correct
29 Correct 121 ms 23992 KB Output is correct
30 Correct 110 ms 23832 KB Output is correct
31 Correct 120 ms 23876 KB Output is correct
32 Correct 107 ms 23956 KB Output is correct
33 Correct 95 ms 23892 KB Output is correct
34 Correct 110 ms 24012 KB Output is correct
35 Correct 130 ms 24012 KB Output is correct
36 Correct 54 ms 24000 KB Output is correct
37 Correct 94 ms 23952 KB Output is correct
38 Correct 106 ms 23928 KB Output is correct
39 Correct 123 ms 23948 KB Output is correct
40 Correct 108 ms 23968 KB Output is correct
41 Correct 107 ms 23964 KB Output is correct
42 Correct 103 ms 23964 KB Output is correct
43 Correct 124 ms 23892 KB Output is correct
44 Correct 138 ms 23952 KB Output is correct
45 Correct 158 ms 23948 KB Output is correct
46 Correct 135 ms 23948 KB Output is correct
47 Correct 114 ms 23948 KB Output is correct
48 Correct 111 ms 23936 KB Output is correct
49 Correct 117 ms 23944 KB Output is correct
50 Correct 119 ms 23920 KB Output is correct
51 Correct 105 ms 23940 KB Output is correct
52 Correct 112 ms 23948 KB Output is correct
53 Correct 137 ms 23948 KB Output is correct
54 Correct 143 ms 23944 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 14 ms 23768 KB Output is correct
3 Incorrect 65 ms 28516 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 14 ms 23768 KB Output is correct
3 Correct 12 ms 23708 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23780 KB Output is correct
6 Correct 13 ms 23712 KB Output is correct
7 Correct 14 ms 23892 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 13 ms 23892 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23804 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 17 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 15 ms 23764 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct
21 Correct 13 ms 23796 KB Output is correct
22 Correct 14 ms 23852 KB Output is correct
23 Correct 14 ms 23848 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23772 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23808 KB Output is correct
29 Incorrect 65 ms 28516 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 14 ms 23768 KB Output is correct
3 Correct 12 ms 23708 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23780 KB Output is correct
6 Correct 13 ms 23712 KB Output is correct
7 Correct 14 ms 23892 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 13 ms 23892 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23804 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 17 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 15 ms 23764 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct
21 Correct 13 ms 23796 KB Output is correct
22 Correct 14 ms 23852 KB Output is correct
23 Correct 14 ms 23848 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23772 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23808 KB Output is correct
29 Correct 121 ms 23992 KB Output is correct
30 Correct 110 ms 23832 KB Output is correct
31 Correct 120 ms 23876 KB Output is correct
32 Correct 107 ms 23956 KB Output is correct
33 Correct 95 ms 23892 KB Output is correct
34 Correct 110 ms 24012 KB Output is correct
35 Correct 130 ms 24012 KB Output is correct
36 Correct 54 ms 24000 KB Output is correct
37 Correct 94 ms 23952 KB Output is correct
38 Correct 106 ms 23928 KB Output is correct
39 Correct 123 ms 23948 KB Output is correct
40 Correct 108 ms 23968 KB Output is correct
41 Correct 107 ms 23964 KB Output is correct
42 Correct 103 ms 23964 KB Output is correct
43 Correct 124 ms 23892 KB Output is correct
44 Correct 138 ms 23952 KB Output is correct
45 Correct 158 ms 23948 KB Output is correct
46 Correct 135 ms 23948 KB Output is correct
47 Correct 114 ms 23948 KB Output is correct
48 Correct 111 ms 23936 KB Output is correct
49 Correct 117 ms 23944 KB Output is correct
50 Correct 119 ms 23920 KB Output is correct
51 Correct 105 ms 23940 KB Output is correct
52 Correct 112 ms 23948 KB Output is correct
53 Correct 137 ms 23948 KB Output is correct
54 Correct 143 ms 23944 KB Output is correct
55 Execution timed out 2079 ms 36536 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 14 ms 23768 KB Output is correct
3 Correct 12 ms 23708 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23780 KB Output is correct
6 Correct 13 ms 23712 KB Output is correct
7 Correct 14 ms 23892 KB Output is correct
8 Correct 13 ms 23764 KB Output is correct
9 Correct 13 ms 23892 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23804 KB Output is correct
13 Correct 13 ms 23764 KB Output is correct
14 Correct 13 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 17 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 15 ms 23764 KB Output is correct
19 Correct 15 ms 23848 KB Output is correct
20 Correct 14 ms 23840 KB Output is correct
21 Correct 13 ms 23796 KB Output is correct
22 Correct 14 ms 23852 KB Output is correct
23 Correct 14 ms 23848 KB Output is correct
24 Correct 13 ms 23764 KB Output is correct
25 Correct 14 ms 23764 KB Output is correct
26 Correct 14 ms 23772 KB Output is correct
27 Correct 13 ms 23788 KB Output is correct
28 Correct 13 ms 23808 KB Output is correct
29 Correct 121 ms 23992 KB Output is correct
30 Correct 110 ms 23832 KB Output is correct
31 Correct 120 ms 23876 KB Output is correct
32 Correct 107 ms 23956 KB Output is correct
33 Correct 95 ms 23892 KB Output is correct
34 Correct 110 ms 24012 KB Output is correct
35 Correct 130 ms 24012 KB Output is correct
36 Correct 54 ms 24000 KB Output is correct
37 Correct 94 ms 23952 KB Output is correct
38 Correct 106 ms 23928 KB Output is correct
39 Correct 123 ms 23948 KB Output is correct
40 Correct 108 ms 23968 KB Output is correct
41 Correct 107 ms 23964 KB Output is correct
42 Correct 103 ms 23964 KB Output is correct
43 Correct 124 ms 23892 KB Output is correct
44 Correct 138 ms 23952 KB Output is correct
45 Correct 158 ms 23948 KB Output is correct
46 Correct 135 ms 23948 KB Output is correct
47 Correct 114 ms 23948 KB Output is correct
48 Correct 111 ms 23936 KB Output is correct
49 Correct 117 ms 23944 KB Output is correct
50 Correct 119 ms 23920 KB Output is correct
51 Correct 105 ms 23940 KB Output is correct
52 Correct 112 ms 23948 KB Output is correct
53 Correct 137 ms 23948 KB Output is correct
54 Correct 143 ms 23944 KB Output is correct
55 Incorrect 65 ms 28516 KB Output isn't correct
56 Halted 0 ms 0 KB -