oj.uz

Submission #648593

# Submission time Handle Problem Language Result Execution time Memory
648593 2022-10-07T06:36:30 Z mychecksedad Joker (BOI20_joker) C++17
14 / 100
 207 ms 65228 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 || q <= 1000){
        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 = q, lim = q + 1;
        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

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23748 KB Output is correct
4 Correct 11 ms 23832 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 13 ms 23752 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 13 ms 23800 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23744 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23840 KB Output is correct
17 Correct 13 ms 23784 KB Output is correct
18 Correct 14 ms 23844 KB Output is correct
19 Correct 12 ms 23844 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23840 KB Output is correct
22 Correct 15 ms 23824 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 14 ms 23856 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23748 KB Output is correct
4 Correct 11 ms 23832 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 13 ms 23752 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 13 ms 23800 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23744 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23840 KB Output is correct
17 Correct 13 ms 23784 KB Output is correct
18 Correct 14 ms 23844 KB Output is correct
19 Correct 12 ms 23844 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23840 KB Output is correct
22 Correct 15 ms 23824 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 14 ms 23856 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 80 ms 23860 KB Output is correct
30 Correct 94 ms 23912 KB Output is correct
31 Correct 104 ms 23952 KB Output is correct
32 Correct 88 ms 23936 KB Output is correct
33 Correct 71 ms 23916 KB Output is correct
34 Correct 92 ms 23940 KB Output is correct
35 Correct 112 ms 23892 KB Output is correct
36 Correct 46 ms 23892 KB Output is correct
37 Correct 87 ms 24064 KB Output is correct
38 Correct 90 ms 23908 KB Output is correct
39 Correct 87 ms 23948 KB Output is correct
40 Correct 81 ms 23892 KB Output is correct
41 Correct 83 ms 23948 KB Output is correct
42 Correct 87 ms 23892 KB Output is correct
43 Correct 81 ms 23924 KB Output is correct
44 Correct 104 ms 23892 KB Output is correct
45 Correct 114 ms 23832 KB Output is correct
46 Correct 114 ms 23928 KB Output is correct
47 Correct 83 ms 23920 KB Output is correct
48 Correct 92 ms 24044 KB Output is correct
49 Correct 92 ms 23892 KB Output is correct
50 Correct 93 ms 23916 KB Output is correct
51 Correct 77 ms 23924 KB Output is correct
52 Correct 94 ms 23936 KB Output is correct
53 Correct 105 ms 23932 KB Output is correct
54 Correct 108 ms 23944 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 207 ms 35904 KB Output is correct
4 Runtime error 99 ms 65228 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23748 KB Output is correct
4 Correct 11 ms 23832 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 13 ms 23752 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 13 ms 23800 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23744 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23840 KB Output is correct
17 Correct 13 ms 23784 KB Output is correct
18 Correct 14 ms 23844 KB Output is correct
19 Correct 12 ms 23844 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23840 KB Output is correct
22 Correct 15 ms 23824 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 14 ms 23856 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 207 ms 35904 KB Output is correct
30 Runtime error 99 ms 65228 KB Execution killed with signal 11
31 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23748 KB Output is correct
4 Correct 11 ms 23832 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 13 ms 23752 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 13 ms 23800 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23744 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23840 KB Output is correct
17 Correct 13 ms 23784 KB Output is correct
18 Correct 14 ms 23844 KB Output is correct
19 Correct 12 ms 23844 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23840 KB Output is correct
22 Correct 15 ms 23824 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 14 ms 23856 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 80 ms 23860 KB Output is correct
30 Correct 94 ms 23912 KB Output is correct
31 Correct 104 ms 23952 KB Output is correct
32 Correct 88 ms 23936 KB Output is correct
33 Correct 71 ms 23916 KB Output is correct
34 Correct 92 ms 23940 KB Output is correct
35 Correct 112 ms 23892 KB Output is correct
36 Correct 46 ms 23892 KB Output is correct
37 Correct 87 ms 24064 KB Output is correct
38 Correct 90 ms 23908 KB Output is correct
39 Correct 87 ms 23948 KB Output is correct
40 Correct 81 ms 23892 KB Output is correct
41 Correct 83 ms 23948 KB Output is correct
42 Correct 87 ms 23892 KB Output is correct
43 Correct 81 ms 23924 KB Output is correct
44 Correct 104 ms 23892 KB Output is correct
45 Correct 114 ms 23832 KB Output is correct
46 Correct 114 ms 23928 KB Output is correct
47 Correct 83 ms 23920 KB Output is correct
48 Correct 92 ms 24044 KB Output is correct
49 Correct 92 ms 23892 KB Output is correct
50 Correct 93 ms 23916 KB Output is correct
51 Correct 77 ms 23924 KB Output is correct
52 Correct 94 ms 23936 KB Output is correct
53 Correct 105 ms 23932 KB Output is correct
54 Correct 108 ms 23944 KB Output is correct
55 Incorrect 139 ms 35820 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 11 ms 23764 KB Output is correct
3 Correct 11 ms 23748 KB Output is correct
4 Correct 11 ms 23832 KB Output is correct
5 Correct 12 ms 23764 KB Output is correct
6 Correct 13 ms 23752 KB Output is correct
7 Correct 12 ms 23764 KB Output is correct
8 Correct 13 ms 23800 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23764 KB Output is correct
13 Correct 13 ms 23744 KB Output is correct
14 Correct 12 ms 23764 KB Output is correct
15 Correct 13 ms 23764 KB Output is correct
16 Correct 12 ms 23840 KB Output is correct
17 Correct 13 ms 23784 KB Output is correct
18 Correct 14 ms 23844 KB Output is correct
19 Correct 12 ms 23844 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 12 ms 23840 KB Output is correct
22 Correct 15 ms 23824 KB Output is correct
23 Correct 12 ms 23764 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 14 ms 23856 KB Output is correct
26 Correct 13 ms 23764 KB Output is correct
27 Correct 14 ms 23764 KB Output is correct
28 Correct 12 ms 23764 KB Output is correct
29 Correct 80 ms 23860 KB Output is correct
30 Correct 94 ms 23912 KB Output is correct
31 Correct 104 ms 23952 KB Output is correct
32 Correct 88 ms 23936 KB Output is correct
33 Correct 71 ms 23916 KB Output is correct
34 Correct 92 ms 23940 KB Output is correct
35 Correct 112 ms 23892 KB Output is correct
36 Correct 46 ms 23892 KB Output is correct
37 Correct 87 ms 24064 KB Output is correct
38 Correct 90 ms 23908 KB Output is correct
39 Correct 87 ms 23948 KB Output is correct
40 Correct 81 ms 23892 KB Output is correct
41 Correct 83 ms 23948 KB Output is correct
42 Correct 87 ms 23892 KB Output is correct
43 Correct 81 ms 23924 KB Output is correct
44 Correct 104 ms 23892 KB Output is correct
45 Correct 114 ms 23832 KB Output is correct
46 Correct 114 ms 23928 KB Output is correct
47 Correct 83 ms 23920 KB Output is correct
48 Correct 92 ms 24044 KB Output is correct
49 Correct 92 ms 23892 KB Output is correct
50 Correct 93 ms 23916 KB Output is correct
51 Correct 77 ms 23924 KB Output is correct
52 Correct 94 ms 23936 KB Output is correct
53 Correct 105 ms 23932 KB Output is correct
54 Correct 108 ms 23944 KB Output is correct
55 Correct 207 ms 35904 KB Output is correct
56 Runtime error 99 ms 65228 KB Execution killed with signal 11
57 Halted 0 ms 0 KB -