oj.uz

답안 #925697

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
925697 2024-02-12T07:33:23 Z vjudge1 Joker (BOI20_joker) C++17
39 / 100
 2000 ms 29580 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 lx,rx;
int dfs(int x){

    for(auto [i,w]:g[x]){
        if(lx<=w&&w<=rx)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;

}
bool check(){
    for(int i=1;i<=n;i++){
        a[i]=-1;
    }
    for(int i=1;i<=n;i++){
        if(a[i]==-1){
            if(dfs(i)){
                return 1;
            }
        }
    }
    return 0;
}
void solve1(){
    for(;q--;){
        cin>>lx>>rx;
        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";
        }


    }
}
vector<pair<int,int>>f[N];
int ans[N];
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});
    }
    if(n<=2000&&m<=2000&&q<=2000){
        solve1();
        return;
    }
    for(int i=1;i<=q;i++){
        cin>>lx>>rx;
        f[lx].push_back({rx,i});
    }
    for(int i=1;i<=min(n,200ll);i++){
        sort(f[i].begin(),f[i].end());
        int l=0;
        int r=f[i].size()-1;
        while(l<=r){
            int mid=(l+r)>>1ll;
            lx=i;
            rx=f[i][mid].first;
            if(check()){
                l=mid+1;
            }
            else{
                r=mid-1;
            }
        }
        l--;
        for(int j=0;j<=l;j++){
            ans[f[i][j].second]=1;
        }
    }
    for(int i=1;i<=q;i++){
        if(ans[i]){
            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 3 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 12636 KB Output is correct
4 Correct 2 ms 12636 KB Output is correct
5 Correct 2 ms 12732 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 4 ms 12636 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 2 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 4 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 2 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 2 ms 12676 KB Output is correct
21 Correct 2 ms 12636 KB Output is correct
22 Correct 2 ms 12636 KB Output is correct
23 Correct 3 ms 12636 KB Output is correct
24 Correct 3 ms 12840 KB Output is correct
25 Correct 3 ms 12636 KB Output is correct
26 Correct 3 ms 12636 KB Output is correct
27 Correct 3 ms 12636 KB Output is correct
28 Correct 3 ms 12636 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 12636 KB Output is correct
4 Correct 2 ms 12636 KB Output is correct
5 Correct 2 ms 12732 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 4 ms 12636 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 2 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 4 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 2 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 2 ms 12676 KB Output is correct
21 Correct 2 ms 12636 KB Output is correct
22 Correct 2 ms 12636 KB Output is correct
23 Correct 3 ms 12636 KB Output is correct
24 Correct 3 ms 12840 KB Output is correct
25 Correct 3 ms 12636 KB Output is correct
26 Correct 3 ms 12636 KB Output is correct
27 Correct 3 ms 12636 KB Output is correct
28 Correct 3 ms 12636 KB Output is correct
29 Correct 62 ms 12632 KB Output is correct
30 Correct 54 ms 12888 KB Output is correct
31 Correct 42 ms 12888 KB Output is correct
32 Correct 22 ms 13092 KB Output is correct
33 Correct 10 ms 12892 KB Output is correct
34 Correct 35 ms 12944 KB Output is correct
35 Correct 61 ms 12892 KB Output is correct
36 Correct 16 ms 12888 KB Output is correct
37 Correct 82 ms 13148 KB Output is correct
38 Correct 94 ms 12916 KB Output is correct
39 Correct 50 ms 12892 KB Output is correct
40 Correct 23 ms 12948 KB Output is correct
41 Correct 24 ms 12892 KB Output is correct
42 Correct 22 ms 12892 KB Output is correct
43 Correct 4 ms 12892 KB Output is correct
44 Correct 7 ms 12892 KB Output is correct
45 Correct 10 ms 12892 KB Output is correct
46 Correct 12 ms 12892 KB Output is correct
47 Correct 38 ms 12892 KB Output is correct
48 Correct 32 ms 12888 KB Output is correct
49 Correct 41 ms 12892 KB Output is correct
50 Correct 45 ms 12892 KB Output is correct
51 Correct 38 ms 12936 KB Output is correct
52 Correct 35 ms 12892 KB Output is correct
53 Correct 44 ms 12892 KB Output is correct
54 Correct 58 ms 12912 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 161 ms 26448 KB Output is correct
4 Correct 360 ms 28964 KB Output is correct
5 Correct 179 ms 28896 KB Output is correct
6 Correct 203 ms 28864 KB Output is correct
7 Correct 221 ms 28012 KB Output is correct
8 Correct 176 ms 29120 KB Output is correct
9 Correct 190 ms 28500 KB Output is correct
10 Correct 264 ms 29580 KB Output is correct
11 Correct 200 ms 28612 KB Output is correct
12 Correct 252 ms 29100 KB Output is correct
13 Correct 203 ms 29440 KB Output is correct
14 Correct 244 ms 28608 KB Output is correct
15 Correct 224 ms 27816 KB Output is correct
16 Correct 343 ms 27336 KB Output is correct

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 12636 KB Output is correct
4 Correct 2 ms 12636 KB Output is correct
5 Correct 2 ms 12732 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 4 ms 12636 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 2 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 4 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 2 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 2 ms 12676 KB Output is correct
21 Correct 2 ms 12636 KB Output is correct
22 Correct 2 ms 12636 KB Output is correct
23 Correct 3 ms 12636 KB Output is correct
24 Correct 3 ms 12840 KB Output is correct
25 Correct 3 ms 12636 KB Output is correct
26 Correct 3 ms 12636 KB Output is correct
27 Correct 3 ms 12636 KB Output is correct
28 Correct 3 ms 12636 KB Output is correct
29 Correct 161 ms 26448 KB Output is correct
30 Correct 360 ms 28964 KB Output is correct
31 Correct 179 ms 28896 KB Output is correct
32 Correct 203 ms 28864 KB Output is correct
33 Correct 221 ms 28012 KB Output is correct
34 Correct 176 ms 29120 KB Output is correct
35 Correct 190 ms 28500 KB Output is correct
36 Correct 264 ms 29580 KB Output is correct
37 Correct 200 ms 28612 KB Output is correct
38 Correct 252 ms 29100 KB Output is correct
39 Correct 203 ms 29440 KB Output is correct
40 Correct 244 ms 28608 KB Output is correct
41 Correct 224 ms 27816 KB Output is correct
42 Correct 343 ms 27336 KB Output is correct
43 Execution timed out 2056 ms 29496 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 12636 KB Output is correct
4 Correct 2 ms 12636 KB Output is correct
5 Correct 2 ms 12732 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 4 ms 12636 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 2 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 4 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 2 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 2 ms 12676 KB Output is correct
21 Correct 2 ms 12636 KB Output is correct
22 Correct 2 ms 12636 KB Output is correct
23 Correct 3 ms 12636 KB Output is correct
24 Correct 3 ms 12840 KB Output is correct
25 Correct 3 ms 12636 KB Output is correct
26 Correct 3 ms 12636 KB Output is correct
27 Correct 3 ms 12636 KB Output is correct
28 Correct 3 ms 12636 KB Output is correct
29 Correct 62 ms 12632 KB Output is correct
30 Correct 54 ms 12888 KB Output is correct
31 Correct 42 ms 12888 KB Output is correct
32 Correct 22 ms 13092 KB Output is correct
33 Correct 10 ms 12892 KB Output is correct
34 Correct 35 ms 12944 KB Output is correct
35 Correct 61 ms 12892 KB Output is correct
36 Correct 16 ms 12888 KB Output is correct
37 Correct 82 ms 13148 KB Output is correct
38 Correct 94 ms 12916 KB Output is correct
39 Correct 50 ms 12892 KB Output is correct
40 Correct 23 ms 12948 KB Output is correct
41 Correct 24 ms 12892 KB Output is correct
42 Correct 22 ms 12892 KB Output is correct
43 Correct 4 ms 12892 KB Output is correct
44 Correct 7 ms 12892 KB Output is correct
45 Correct 10 ms 12892 KB Output is correct
46 Correct 12 ms 12892 KB Output is correct
47 Correct 38 ms 12892 KB Output is correct
48 Correct 32 ms 12888 KB Output is correct
49 Correct 41 ms 12892 KB Output is correct
50 Correct 45 ms 12892 KB Output is correct
51 Correct 38 ms 12936 KB Output is correct
52 Correct 35 ms 12892 KB Output is correct
53 Correct 44 ms 12892 KB Output is correct
54 Correct 58 ms 12912 KB Output is correct
55 Incorrect 50 ms 21844 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 12636 KB Output is correct
4 Correct 2 ms 12636 KB Output is correct
5 Correct 2 ms 12732 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 4 ms 12636 KB Output is correct
8 Correct 3 ms 12632 KB Output is correct
9 Correct 3 ms 12636 KB Output is correct
10 Correct 3 ms 12636 KB Output is correct
11 Correct 3 ms 12636 KB Output is correct
12 Correct 3 ms 12636 KB Output is correct
13 Correct 2 ms 12636 KB Output is correct
14 Correct 3 ms 12636 KB Output is correct
15 Correct 4 ms 12636 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 2 ms 12636 KB Output is correct
19 Correct 3 ms 12636 KB Output is correct
20 Correct 2 ms 12676 KB Output is correct
21 Correct 2 ms 12636 KB Output is correct
22 Correct 2 ms 12636 KB Output is correct
23 Correct 3 ms 12636 KB Output is correct
24 Correct 3 ms 12840 KB Output is correct
25 Correct 3 ms 12636 KB Output is correct
26 Correct 3 ms 12636 KB Output is correct
27 Correct 3 ms 12636 KB Output is correct
28 Correct 3 ms 12636 KB Output is correct
29 Correct 62 ms 12632 KB Output is correct
30 Correct 54 ms 12888 KB Output is correct
31 Correct 42 ms 12888 KB Output is correct
32 Correct 22 ms 13092 KB Output is correct
33 Correct 10 ms 12892 KB Output is correct
34 Correct 35 ms 12944 KB Output is correct
35 Correct 61 ms 12892 KB Output is correct
36 Correct 16 ms 12888 KB Output is correct
37 Correct 82 ms 13148 KB Output is correct
38 Correct 94 ms 12916 KB Output is correct
39 Correct 50 ms 12892 KB Output is correct
40 Correct 23 ms 12948 KB Output is correct
41 Correct 24 ms 12892 KB Output is correct
42 Correct 22 ms 12892 KB Output is correct
43 Correct 4 ms 12892 KB Output is correct
44 Correct 7 ms 12892 KB Output is correct
45 Correct 10 ms 12892 KB Output is correct
46 Correct 12 ms 12892 KB Output is correct
47 Correct 38 ms 12892 KB Output is correct
48 Correct 32 ms 12888 KB Output is correct
49 Correct 41 ms 12892 KB Output is correct
50 Correct 45 ms 12892 KB Output is correct
51 Correct 38 ms 12936 KB Output is correct
52 Correct 35 ms 12892 KB Output is correct
53 Correct 44 ms 12892 KB Output is correct
54 Correct 58 ms 12912 KB Output is correct
55 Correct 161 ms 26448 KB Output is correct
56 Correct 360 ms 28964 KB Output is correct
57 Correct 179 ms 28896 KB Output is correct
58 Correct 203 ms 28864 KB Output is correct
59 Correct 221 ms 28012 KB Output is correct
60 Correct 176 ms 29120 KB Output is correct
61 Correct 190 ms 28500 KB Output is correct
62 Correct 264 ms 29580 KB Output is correct
63 Correct 200 ms 28612 KB Output is correct
64 Correct 252 ms 29100 KB Output is correct
65 Correct 203 ms 29440 KB Output is correct
66 Correct 244 ms 28608 KB Output is correct
67 Correct 224 ms 27816 KB Output is correct
68 Correct 343 ms 27336 KB Output is correct
69 Execution timed out 2056 ms 29496 KB Time limit exceeded
70 Halted 0 ms 0 KB -