oj.uz

답안 #925615

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
925615 2024-02-12T06:20:06 Z vjudge1 Joker (BOI20_joker) C++17
14 / 100
 2000 ms 17172 KB 
/*
no more temmy :(
*/

#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 
using namespace __gnu_pbds;
// #include<icecream.hpp>
// using namespace icecream;
#define ll long long
#define int ll
#define ld long double
#define y1 cheza
// mt19937 rng(1983413);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
const int N=2e5+100;
const int M=1e6;
const int B=317;
const int mod=998244353;
const int INF=1e18;
const int lg=64;
const int dx[]={1,-1,0,0};
const int dy[]={0,0,1,-1};
const double eps=1e-9;
int n,m,q;
vector<pair<int,int>>g[N];
int a[N];
int l,r;
int dfs(int x){

    for(auto [i,w]:g[x]){
        if(l<=w&&w<=r)continue;
        if(a[i]==-1){
            a[i]=a[x]^1;
            if(dfs(i)){
                return 1;
            }
        }
        else{
            if(a[i]==a[x]){
                return 1;
            }
        }
    }
    return 0;

}
void test(){
    cin>>n>>m>>q;
    for(int i=1,x,y;i<=m;i++){
        cin>>x>>y;
        g[x].push_back({y,i});
        g[y].push_back({x,i});
    }
    for(;q--;){
        cin>>l>>r;
        for(int i=1;i<=n;i++){
            a[i]=-1;
        }
        int ans=0;
        for(int i=1;i<=n;i++){
            if(a[i]==-1){
                if(dfs(i)){
                    ans=1;
                    break;
                }
            }
        }
        if(ans){
            cout<<"YES\n";
        }
        else{
            cout<<"NO\n";
        }


    }
}
/*

*/  
 
signed main(){
    // ic.prefix("debug->| ");
    // freopen("input.txt","r",stdin);
    // freopen("output.txt","w",stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    // cout.tie(nullptr);
    long long t2=1;
    //  cin>>t2;
    for(int i=1;i<=t2;i++){
        test();
    }
    
    return 0;
 
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 3 ms 6488 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 3 ms 6492 KB Output is correct
13 Correct 2 ms 6448 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 3 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 2 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6332 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 3 ms 6488 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 3 ms 6492 KB Output is correct
13 Correct 2 ms 6448 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 3 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 2 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6332 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 65 ms 6492 KB Output is correct
30 Correct 59 ms 6492 KB Output is correct
31 Correct 40 ms 6492 KB Output is correct
32 Correct 22 ms 6488 KB Output is correct
33 Correct 12 ms 6488 KB Output is correct
34 Correct 34 ms 6684 KB Output is correct
35 Correct 58 ms 6492 KB Output is correct
36 Correct 15 ms 6680 KB Output is correct
37 Correct 79 ms 6684 KB Output is correct
38 Correct 111 ms 6660 KB Output is correct
39 Correct 49 ms 6668 KB Output is correct
40 Correct 25 ms 6492 KB Output is correct
41 Correct 25 ms 6488 KB Output is correct
42 Correct 22 ms 6492 KB Output is correct
43 Correct 4 ms 6492 KB Output is correct
44 Correct 5 ms 6492 KB Output is correct
45 Correct 9 ms 6680 KB Output is correct
46 Correct 11 ms 6680 KB Output is correct
47 Correct 30 ms 6680 KB Output is correct
48 Correct 36 ms 6668 KB Output is correct
49 Correct 45 ms 6668 KB Output is correct
50 Correct 44 ms 6492 KB Output is correct
51 Correct 32 ms 6492 KB Output is correct
52 Correct 33 ms 6492 KB Output is correct
53 Correct 44 ms 6740 KB Output is correct
54 Correct 59 ms 6488 KB Output is correct

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Execution timed out 2071 ms 16468 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 3 ms 6488 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 3 ms 6492 KB Output is correct
13 Correct 2 ms 6448 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 3 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 2 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6332 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Execution timed out 2071 ms 16468 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 3 ms 6488 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 3 ms 6492 KB Output is correct
13 Correct 2 ms 6448 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 3 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 2 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6332 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 65 ms 6492 KB Output is correct
30 Correct 59 ms 6492 KB Output is correct
31 Correct 40 ms 6492 KB Output is correct
32 Correct 22 ms 6488 KB Output is correct
33 Correct 12 ms 6488 KB Output is correct
34 Correct 34 ms 6684 KB Output is correct
35 Correct 58 ms 6492 KB Output is correct
36 Correct 15 ms 6680 KB Output is correct
37 Correct 79 ms 6684 KB Output is correct
38 Correct 111 ms 6660 KB Output is correct
39 Correct 49 ms 6668 KB Output is correct
40 Correct 25 ms 6492 KB Output is correct
41 Correct 25 ms 6488 KB Output is correct
42 Correct 22 ms 6492 KB Output is correct
43 Correct 4 ms 6492 KB Output is correct
44 Correct 5 ms 6492 KB Output is correct
45 Correct 9 ms 6680 KB Output is correct
46 Correct 11 ms 6680 KB Output is correct
47 Correct 30 ms 6680 KB Output is correct
48 Correct 36 ms 6668 KB Output is correct
49 Correct 45 ms 6668 KB Output is correct
50 Correct 44 ms 6492 KB Output is correct
51 Correct 32 ms 6492 KB Output is correct
52 Correct 33 ms 6492 KB Output is correct
53 Correct 44 ms 6740 KB Output is correct
54 Correct 59 ms 6488 KB Output is correct
55 Execution timed out 2032 ms 17172 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6492 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6492 KB Output is correct
5 Correct 2 ms 6492 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 3 ms 6488 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 2 ms 6492 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 3 ms 6492 KB Output is correct
13 Correct 2 ms 6448 KB Output is correct
14 Correct 3 ms 6488 KB Output is correct
15 Correct 3 ms 6492 KB Output is correct
16 Correct 2 ms 6492 KB Output is correct
17 Correct 2 ms 6492 KB Output is correct
18 Correct 2 ms 6488 KB Output is correct
19 Correct 2 ms 6488 KB Output is correct
20 Correct 2 ms 6488 KB Output is correct
21 Correct 2 ms 6492 KB Output is correct
22 Correct 2 ms 6488 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6488 KB Output is correct
25 Correct 2 ms 6492 KB Output is correct
26 Correct 2 ms 6332 KB Output is correct
27 Correct 2 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 65 ms 6492 KB Output is correct
30 Correct 59 ms 6492 KB Output is correct
31 Correct 40 ms 6492 KB Output is correct
32 Correct 22 ms 6488 KB Output is correct
33 Correct 12 ms 6488 KB Output is correct
34 Correct 34 ms 6684 KB Output is correct
35 Correct 58 ms 6492 KB Output is correct
36 Correct 15 ms 6680 KB Output is correct
37 Correct 79 ms 6684 KB Output is correct
38 Correct 111 ms 6660 KB Output is correct
39 Correct 49 ms 6668 KB Output is correct
40 Correct 25 ms 6492 KB Output is correct
41 Correct 25 ms 6488 KB Output is correct
42 Correct 22 ms 6492 KB Output is correct
43 Correct 4 ms 6492 KB Output is correct
44 Correct 5 ms 6492 KB Output is correct
45 Correct 9 ms 6680 KB Output is correct
46 Correct 11 ms 6680 KB Output is correct
47 Correct 30 ms 6680 KB Output is correct
48 Correct 36 ms 6668 KB Output is correct
49 Correct 45 ms 6668 KB Output is correct
50 Correct 44 ms 6492 KB Output is correct
51 Correct 32 ms 6492 KB Output is correct
52 Correct 33 ms 6492 KB Output is correct
53 Correct 44 ms 6740 KB Output is correct
54 Correct 59 ms 6488 KB Output is correct
55 Execution timed out 2071 ms 16468 KB Time limit exceeded
56 Halted 0 ms 0 KB -