oj.uz

답안 #648599

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
648599 2022-10-07T06:45:34 Z mychecksedad Joker (BOI20_joker) C++17
39 / 100
 2000 ms 35788 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 = 2e5+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 <= 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:82:16: warning: unused variable 'aa' [-Wunused-variable]
   82 |     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 13 ms 23760 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 12 ms 23768 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 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23868 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23836 KB Output is correct
13 Correct 14 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23836 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 13 ms 23828 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23864 KB Output is correct
23 Correct 13 ms 23776 KB Output is correct
24 Correct 14 ms 23892 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 23764 KB Output is correct
28 Correct 13 ms 23852 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 13 ms 23760 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 12 ms 23768 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 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23868 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23836 KB Output is correct
13 Correct 14 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23836 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 13 ms 23828 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23864 KB Output is correct
23 Correct 13 ms 23776 KB Output is correct
24 Correct 14 ms 23892 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 23764 KB Output is correct
28 Correct 13 ms 23852 KB Output is correct
29 Correct 84 ms 23892 KB Output is correct
30 Correct 101 ms 23952 KB Output is correct
31 Correct 117 ms 23956 KB Output is correct
32 Correct 91 ms 23960 KB Output is correct
33 Correct 71 ms 23892 KB Output is correct
34 Correct 94 ms 23844 KB Output is correct
35 Correct 114 ms 23892 KB Output is correct
36 Correct 48 ms 24008 KB Output is correct
37 Correct 85 ms 23960 KB Output is correct
38 Correct 91 ms 23936 KB Output is correct
39 Correct 99 ms 23952 KB Output is correct
40 Correct 82 ms 23968 KB Output is correct
41 Correct 84 ms 23980 KB Output is correct
42 Correct 86 ms 23892 KB Output is correct
43 Correct 77 ms 23984 KB Output is correct
44 Correct 102 ms 23956 KB Output is correct
45 Correct 115 ms 23952 KB Output is correct
46 Correct 111 ms 23956 KB Output is correct
47 Correct 82 ms 23948 KB Output is correct
48 Correct 93 ms 23944 KB Output is correct
49 Correct 93 ms 23948 KB Output is correct
50 Correct 96 ms 24012 KB Output is correct
51 Correct 80 ms 23952 KB Output is correct
52 Correct 94 ms 23972 KB Output is correct
53 Correct 102 ms 23892 KB Output is correct
54 Correct 111 ms 23964 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23760 KB Output is correct
3 Correct 205 ms 34560 KB Output is correct
4 Correct 328 ms 34220 KB Output is correct
5 Correct 196 ms 33048 KB Output is correct
6 Correct 273 ms 34128 KB Output is correct
7 Correct 314 ms 33996 KB Output is correct
8 Correct 236 ms 33600 KB Output is correct
9 Correct 302 ms 34568 KB Output is correct
10 Correct 303 ms 33436 KB Output is correct
11 Correct 174 ms 33244 KB Output is correct
12 Correct 244 ms 32292 KB Output is correct
13 Correct 153 ms 31172 KB Output is correct
14 Correct 258 ms 33328 KB Output is correct
15 Correct 341 ms 34380 KB Output is correct
16 Correct 305 ms 33196 KB Output is correct

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 13 ms 23760 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 12 ms 23768 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 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23868 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23836 KB Output is correct
13 Correct 14 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23836 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 13 ms 23828 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23864 KB Output is correct
23 Correct 13 ms 23776 KB Output is correct
24 Correct 14 ms 23892 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 23764 KB Output is correct
28 Correct 13 ms 23852 KB Output is correct
29 Correct 205 ms 34560 KB Output is correct
30 Correct 328 ms 34220 KB Output is correct
31 Correct 196 ms 33048 KB Output is correct
32 Correct 273 ms 34128 KB Output is correct
33 Correct 314 ms 33996 KB Output is correct
34 Correct 236 ms 33600 KB Output is correct
35 Correct 302 ms 34568 KB Output is correct
36 Correct 303 ms 33436 KB Output is correct
37 Correct 174 ms 33244 KB Output is correct
38 Correct 244 ms 32292 KB Output is correct
39 Correct 153 ms 31172 KB Output is correct
40 Correct 258 ms 33328 KB Output is correct
41 Correct 341 ms 34380 KB Output is correct
42 Correct 305 ms 33196 KB Output is correct
43 Incorrect 209 ms 34484 KB Output isn't correct
44 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 13 ms 23760 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 12 ms 23768 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 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23868 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23836 KB Output is correct
13 Correct 14 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23836 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 13 ms 23828 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23864 KB Output is correct
23 Correct 13 ms 23776 KB Output is correct
24 Correct 14 ms 23892 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 23764 KB Output is correct
28 Correct 13 ms 23852 KB Output is correct
29 Correct 84 ms 23892 KB Output is correct
30 Correct 101 ms 23952 KB Output is correct
31 Correct 117 ms 23956 KB Output is correct
32 Correct 91 ms 23960 KB Output is correct
33 Correct 71 ms 23892 KB Output is correct
34 Correct 94 ms 23844 KB Output is correct
35 Correct 114 ms 23892 KB Output is correct
36 Correct 48 ms 24008 KB Output is correct
37 Correct 85 ms 23960 KB Output is correct
38 Correct 91 ms 23936 KB Output is correct
39 Correct 99 ms 23952 KB Output is correct
40 Correct 82 ms 23968 KB Output is correct
41 Correct 84 ms 23980 KB Output is correct
42 Correct 86 ms 23892 KB Output is correct
43 Correct 77 ms 23984 KB Output is correct
44 Correct 102 ms 23956 KB Output is correct
45 Correct 115 ms 23952 KB Output is correct
46 Correct 111 ms 23956 KB Output is correct
47 Correct 82 ms 23948 KB Output is correct
48 Correct 93 ms 23944 KB Output is correct
49 Correct 93 ms 23948 KB Output is correct
50 Correct 96 ms 24012 KB Output is correct
51 Correct 80 ms 23952 KB Output is correct
52 Correct 94 ms 23972 KB Output is correct
53 Correct 102 ms 23892 KB Output is correct
54 Correct 111 ms 23964 KB Output is correct
55 Execution timed out 2065 ms 35788 KB Time limit exceeded
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 13 ms 23760 KB Output is correct
3 Correct 14 ms 23764 KB Output is correct
4 Correct 12 ms 23768 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 23764 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 16 ms 23868 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 13 ms 23836 KB Output is correct
13 Correct 14 ms 23764 KB Output is correct
14 Correct 12 ms 23756 KB Output is correct
15 Correct 13 ms 23836 KB Output is correct
16 Correct 13 ms 23764 KB Output is correct
17 Correct 13 ms 23764 KB Output is correct
18 Correct 14 ms 23804 KB Output is correct
19 Correct 13 ms 23764 KB Output is correct
20 Correct 13 ms 23828 KB Output is correct
21 Correct 13 ms 23764 KB Output is correct
22 Correct 13 ms 23864 KB Output is correct
23 Correct 13 ms 23776 KB Output is correct
24 Correct 14 ms 23892 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 23764 KB Output is correct
28 Correct 13 ms 23852 KB Output is correct
29 Correct 84 ms 23892 KB Output is correct
30 Correct 101 ms 23952 KB Output is correct
31 Correct 117 ms 23956 KB Output is correct
32 Correct 91 ms 23960 KB Output is correct
33 Correct 71 ms 23892 KB Output is correct
34 Correct 94 ms 23844 KB Output is correct
35 Correct 114 ms 23892 KB Output is correct
36 Correct 48 ms 24008 KB Output is correct
37 Correct 85 ms 23960 KB Output is correct
38 Correct 91 ms 23936 KB Output is correct
39 Correct 99 ms 23952 KB Output is correct
40 Correct 82 ms 23968 KB Output is correct
41 Correct 84 ms 23980 KB Output is correct
42 Correct 86 ms 23892 KB Output is correct
43 Correct 77 ms 23984 KB Output is correct
44 Correct 102 ms 23956 KB Output is correct
45 Correct 115 ms 23952 KB Output is correct
46 Correct 111 ms 23956 KB Output is correct
47 Correct 82 ms 23948 KB Output is correct
48 Correct 93 ms 23944 KB Output is correct
49 Correct 93 ms 23948 KB Output is correct
50 Correct 96 ms 24012 KB Output is correct
51 Correct 80 ms 23952 KB Output is correct
52 Correct 94 ms 23972 KB Output is correct
53 Correct 102 ms 23892 KB Output is correct
54 Correct 111 ms 23964 KB Output is correct
55 Correct 205 ms 34560 KB Output is correct
56 Correct 328 ms 34220 KB Output is correct
57 Correct 196 ms 33048 KB Output is correct
58 Correct 273 ms 34128 KB Output is correct
59 Correct 314 ms 33996 KB Output is correct
60 Correct 236 ms 33600 KB Output is correct
61 Correct 302 ms 34568 KB Output is correct
62 Correct 303 ms 33436 KB Output is correct
63 Correct 174 ms 33244 KB Output is correct
64 Correct 244 ms 32292 KB Output is correct
65 Correct 153 ms 31172 KB Output is correct
66 Correct 258 ms 33328 KB Output is correct
67 Correct 341 ms 34380 KB Output is correct
68 Correct 305 ms 33196 KB Output is correct
69 Incorrect 209 ms 34484 KB Output isn't correct
70 Halted 0 ms 0 KB -