oj.uz

답안 #648595

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
648595 2022-10-07T06:38:29 Z mychecksedad Joker (BOI20_joker) C++17
14 / 100
 207 ms 62620 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<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){
        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 lb = 1, rb = m, lim = 0;
        while(lb <= rb){
            int mid = (lb + rb) >> 1;
            l = 1, r = mid;
            vis = 0;
            ok = 0;
            for(int v = 1; v <= n; ++v) if(!ok && !vis[v]) dfs(v, v, 0);
            if(ok){
                lim = mid;
                lb = mid + 1;
            }else{
                rb = mid - 1;
            }
        }
        for(int i = 1; i <= q; ++i){
            cin >> l >> r;
            cout << (r <= lim ? "YES": "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:83:16: warning: unused variable 'aa' [-Wunused-variable]
   83 |     int T = 1, aa;
      |                ^~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 14 ms 23736 KB Output is correct
8 Correct 14 ms 23844 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 14 ms 23784 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 13 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 16 ms 23764 KB Output is correct
20 Correct 14 ms 23832 KB Output is correct
21 Correct 15 ms 23844 KB Output is correct
22 Correct 13 ms 23844 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 13 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 13 ms 23788 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 14 ms 23736 KB Output is correct
8 Correct 14 ms 23844 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 14 ms 23784 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 13 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 16 ms 23764 KB Output is correct
20 Correct 14 ms 23832 KB Output is correct
21 Correct 15 ms 23844 KB Output is correct
22 Correct 13 ms 23844 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 13 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 13 ms 23788 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 84 ms 23864 KB Output is correct
30 Correct 108 ms 23892 KB Output is correct
31 Correct 104 ms 23892 KB Output is correct
32 Correct 88 ms 23944 KB Output is correct
33 Correct 70 ms 23892 KB Output is correct
34 Correct 95 ms 23892 KB Output is correct
35 Correct 111 ms 23936 KB Output is correct
36 Correct 43 ms 23912 KB Output is correct
37 Correct 80 ms 24068 KB Output is correct
38 Correct 99 ms 23908 KB Output is correct
39 Correct 93 ms 24012 KB Output is correct
40 Correct 85 ms 23956 KB Output is correct
41 Correct 84 ms 24012 KB Output is correct
42 Correct 82 ms 23948 KB Output is correct
43 Correct 79 ms 23944 KB Output is correct
44 Correct 103 ms 23936 KB Output is correct
45 Correct 130 ms 23932 KB Output is correct
46 Correct 123 ms 23940 KB Output is correct
47 Correct 82 ms 23820 KB Output is correct
48 Correct 91 ms 23928 KB Output is correct
49 Correct 92 ms 23932 KB Output is correct
50 Correct 91 ms 23892 KB Output is correct
51 Correct 94 ms 23932 KB Output is correct
52 Correct 91 ms 23940 KB Output is correct
53 Correct 100 ms 24012 KB Output is correct
54 Correct 107 ms 23928 KB Output is correct

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 190 ms 34500 KB Output is correct
4 Runtime error 93 ms 62620 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 14 ms 23736 KB Output is correct
8 Correct 14 ms 23844 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 14 ms 23784 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 13 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 16 ms 23764 KB Output is correct
20 Correct 14 ms 23832 KB Output is correct
21 Correct 15 ms 23844 KB Output is correct
22 Correct 13 ms 23844 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 13 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 13 ms 23788 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 190 ms 34500 KB Output is correct
30 Runtime error 93 ms 62620 KB Execution killed with signal 11
31 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 14 ms 23736 KB Output is correct
8 Correct 14 ms 23844 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 14 ms 23784 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 13 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 16 ms 23764 KB Output is correct
20 Correct 14 ms 23832 KB Output is correct
21 Correct 15 ms 23844 KB Output is correct
22 Correct 13 ms 23844 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 13 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 13 ms 23788 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 84 ms 23864 KB Output is correct
30 Correct 108 ms 23892 KB Output is correct
31 Correct 104 ms 23892 KB Output is correct
32 Correct 88 ms 23944 KB Output is correct
33 Correct 70 ms 23892 KB Output is correct
34 Correct 95 ms 23892 KB Output is correct
35 Correct 111 ms 23936 KB Output is correct
36 Correct 43 ms 23912 KB Output is correct
37 Correct 80 ms 24068 KB Output is correct
38 Correct 99 ms 23908 KB Output is correct
39 Correct 93 ms 24012 KB Output is correct
40 Correct 85 ms 23956 KB Output is correct
41 Correct 84 ms 24012 KB Output is correct
42 Correct 82 ms 23948 KB Output is correct
43 Correct 79 ms 23944 KB Output is correct
44 Correct 103 ms 23936 KB Output is correct
45 Correct 130 ms 23932 KB Output is correct
46 Correct 123 ms 23940 KB Output is correct
47 Correct 82 ms 23820 KB Output is correct
48 Correct 91 ms 23928 KB Output is correct
49 Correct 92 ms 23932 KB Output is correct
50 Correct 91 ms 23892 KB Output is correct
51 Correct 94 ms 23932 KB Output is correct
52 Correct 91 ms 23940 KB Output is correct
53 Correct 100 ms 24012 KB Output is correct
54 Correct 107 ms 23928 KB Output is correct
55 Incorrect 207 ms 36168 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 14 ms 23808 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 16 ms 23828 KB Output is correct
7 Correct 14 ms 23736 KB Output is correct
8 Correct 14 ms 23844 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 14 ms 23764 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 14 ms 23784 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 13 ms 23764 KB Output is correct
17 Correct 14 ms 23764 KB Output is correct
18 Correct 12 ms 23764 KB Output is correct
19 Correct 16 ms 23764 KB Output is correct
20 Correct 14 ms 23832 KB Output is correct
21 Correct 15 ms 23844 KB Output is correct
22 Correct 13 ms 23844 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 13 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 13 ms 23788 KB Output is correct
28 Correct 13 ms 23764 KB Output is correct
29 Correct 84 ms 23864 KB Output is correct
30 Correct 108 ms 23892 KB Output is correct
31 Correct 104 ms 23892 KB Output is correct
32 Correct 88 ms 23944 KB Output is correct
33 Correct 70 ms 23892 KB Output is correct
34 Correct 95 ms 23892 KB Output is correct
35 Correct 111 ms 23936 KB Output is correct
36 Correct 43 ms 23912 KB Output is correct
37 Correct 80 ms 24068 KB Output is correct
38 Correct 99 ms 23908 KB Output is correct
39 Correct 93 ms 24012 KB Output is correct
40 Correct 85 ms 23956 KB Output is correct
41 Correct 84 ms 24012 KB Output is correct
42 Correct 82 ms 23948 KB Output is correct
43 Correct 79 ms 23944 KB Output is correct
44 Correct 103 ms 23936 KB Output is correct
45 Correct 130 ms 23932 KB Output is correct
46 Correct 123 ms 23940 KB Output is correct
47 Correct 82 ms 23820 KB Output is correct
48 Correct 91 ms 23928 KB Output is correct
49 Correct 92 ms 23932 KB Output is correct
50 Correct 91 ms 23892 KB Output is correct
51 Correct 94 ms 23932 KB Output is correct
52 Correct 91 ms 23940 KB Output is correct
53 Correct 100 ms 24012 KB Output is correct
54 Correct 107 ms 23928 KB Output is correct
55 Correct 190 ms 34500 KB Output is correct
56 Runtime error 93 ms 62620 KB Execution killed with signal 11
57 Halted 0 ms 0 KB -