oj.uz

답안 #925796

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
925796 2024-02-12T09:01:01 Z vjudge1 Joker (BOI20_joker) C++17
39 / 100
 2000 ms 31648 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];
bitset<N> ans;
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 2 ms 11356 KB Output is correct
2 Correct 3 ms 11356 KB Output is correct
3 Correct 3 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11356 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 3 ms 11356 KB Output is correct
9 Correct 3 ms 11352 KB Output is correct
10 Correct 3 ms 11352 KB Output is correct
11 Correct 3 ms 11352 KB Output is correct
12 Correct 4 ms 11356 KB Output is correct
13 Correct 2 ms 11608 KB Output is correct
14 Correct 3 ms 11356 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11356 KB Output is correct
17 Correct 3 ms 11356 KB Output is correct
18 Correct 3 ms 11356 KB Output is correct
19 Correct 3 ms 11356 KB Output is correct
20 Correct 3 ms 11356 KB Output is correct
21 Correct 2 ms 11352 KB Output is correct
22 Correct 3 ms 11356 KB Output is correct
23 Correct 3 ms 11356 KB Output is correct
24 Correct 3 ms 11356 KB Output is correct
25 Correct 3 ms 11356 KB Output is correct
26 Correct 3 ms 11356 KB Output is correct
27 Correct 3 ms 11356 KB Output is correct
28 Correct 3 ms 11356 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 11356 KB Output is correct
2 Correct 3 ms 11356 KB Output is correct
3 Correct 3 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11356 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 3 ms 11356 KB Output is correct
9 Correct 3 ms 11352 KB Output is correct
10 Correct 3 ms 11352 KB Output is correct
11 Correct 3 ms 11352 KB Output is correct
12 Correct 4 ms 11356 KB Output is correct
13 Correct 2 ms 11608 KB Output is correct
14 Correct 3 ms 11356 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11356 KB Output is correct
17 Correct 3 ms 11356 KB Output is correct
18 Correct 3 ms 11356 KB Output is correct
19 Correct 3 ms 11356 KB Output is correct
20 Correct 3 ms 11356 KB Output is correct
21 Correct 2 ms 11352 KB Output is correct
22 Correct 3 ms 11356 KB Output is correct
23 Correct 3 ms 11356 KB Output is correct
24 Correct 3 ms 11356 KB Output is correct
25 Correct 3 ms 11356 KB Output is correct
26 Correct 3 ms 11356 KB Output is correct
27 Correct 3 ms 11356 KB Output is correct
28 Correct 3 ms 11356 KB Output is correct
29 Correct 62 ms 11352 KB Output is correct
30 Correct 54 ms 11556 KB Output is correct
31 Correct 41 ms 11352 KB Output is correct
32 Correct 23 ms 11356 KB Output is correct
33 Correct 11 ms 11356 KB Output is correct
34 Correct 36 ms 11356 KB Output is correct
35 Correct 63 ms 11520 KB Output is correct
36 Correct 15 ms 11356 KB Output is correct
37 Correct 80 ms 11548 KB Output is correct
38 Correct 93 ms 11356 KB Output is correct
39 Correct 60 ms 11356 KB Output is correct
40 Correct 22 ms 11356 KB Output is correct
41 Correct 29 ms 11356 KB Output is correct
42 Correct 22 ms 11540 KB Output is correct
43 Correct 5 ms 11356 KB Output is correct
44 Correct 6 ms 11552 KB Output is correct
45 Correct 10 ms 11552 KB Output is correct
46 Correct 13 ms 11764 KB Output is correct
47 Correct 32 ms 11552 KB Output is correct
48 Correct 36 ms 11356 KB Output is correct
49 Correct 41 ms 11356 KB Output is correct
50 Correct 44 ms 11352 KB Output is correct
51 Correct 31 ms 11356 KB Output is correct
52 Correct 38 ms 11356 KB Output is correct
53 Correct 45 ms 11352 KB Output is correct
54 Correct 58 ms 11540 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 11356 KB Output is correct
2 Correct 3 ms 11356 KB Output is correct
3 Correct 138 ms 25856 KB Output is correct
4 Correct 361 ms 26232 KB Output is correct
5 Correct 168 ms 26316 KB Output is correct
6 Correct 215 ms 30936 KB Output is correct
7 Correct 225 ms 30656 KB Output is correct
8 Correct 162 ms 30136 KB Output is correct
9 Correct 211 ms 30260 KB Output is correct
10 Correct 246 ms 30412 KB Output is correct
11 Correct 222 ms 29892 KB Output is correct
12 Correct 270 ms 30788 KB Output is correct
13 Correct 225 ms 30664 KB Output is correct
14 Correct 224 ms 30672 KB Output is correct
15 Correct 209 ms 31020 KB Output is correct
16 Correct 296 ms 31648 KB Output is correct

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 11356 KB Output is correct
2 Correct 3 ms 11356 KB Output is correct
3 Correct 3 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11356 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 3 ms 11356 KB Output is correct
9 Correct 3 ms 11352 KB Output is correct
10 Correct 3 ms 11352 KB Output is correct
11 Correct 3 ms 11352 KB Output is correct
12 Correct 4 ms 11356 KB Output is correct
13 Correct 2 ms 11608 KB Output is correct
14 Correct 3 ms 11356 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11356 KB Output is correct
17 Correct 3 ms 11356 KB Output is correct
18 Correct 3 ms 11356 KB Output is correct
19 Correct 3 ms 11356 KB Output is correct
20 Correct 3 ms 11356 KB Output is correct
21 Correct 2 ms 11352 KB Output is correct
22 Correct 3 ms 11356 KB Output is correct
23 Correct 3 ms 11356 KB Output is correct
24 Correct 3 ms 11356 KB Output is correct
25 Correct 3 ms 11356 KB Output is correct
26 Correct 3 ms 11356 KB Output is correct
27 Correct 3 ms 11356 KB Output is correct
28 Correct 3 ms 11356 KB Output is correct
29 Correct 138 ms 25856 KB Output is correct
30 Correct 361 ms 26232 KB Output is correct
31 Correct 168 ms 26316 KB Output is correct
32 Correct 215 ms 30936 KB Output is correct
33 Correct 225 ms 30656 KB Output is correct
34 Correct 162 ms 30136 KB Output is correct
35 Correct 211 ms 30260 KB Output is correct
36 Correct 246 ms 30412 KB Output is correct
37 Correct 222 ms 29892 KB Output is correct
38 Correct 270 ms 30788 KB Output is correct
39 Correct 225 ms 30664 KB Output is correct
40 Correct 224 ms 30672 KB Output is correct
41 Correct 209 ms 31020 KB Output is correct
42 Correct 296 ms 31648 KB Output is correct
43 Execution timed out 2008 ms 30448 KB Time limit exceeded
44 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 11356 KB Output is correct
2 Correct 3 ms 11356 KB Output is correct
3 Correct 3 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11356 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 3 ms 11356 KB Output is correct
9 Correct 3 ms 11352 KB Output is correct
10 Correct 3 ms 11352 KB Output is correct
11 Correct 3 ms 11352 KB Output is correct
12 Correct 4 ms 11356 KB Output is correct
13 Correct 2 ms 11608 KB Output is correct
14 Correct 3 ms 11356 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11356 KB Output is correct
17 Correct 3 ms 11356 KB Output is correct
18 Correct 3 ms 11356 KB Output is correct
19 Correct 3 ms 11356 KB Output is correct
20 Correct 3 ms 11356 KB Output is correct
21 Correct 2 ms 11352 KB Output is correct
22 Correct 3 ms 11356 KB Output is correct
23 Correct 3 ms 11356 KB Output is correct
24 Correct 3 ms 11356 KB Output is correct
25 Correct 3 ms 11356 KB Output is correct
26 Correct 3 ms 11356 KB Output is correct
27 Correct 3 ms 11356 KB Output is correct
28 Correct 3 ms 11356 KB Output is correct
29 Correct 62 ms 11352 KB Output is correct
30 Correct 54 ms 11556 KB Output is correct
31 Correct 41 ms 11352 KB Output is correct
32 Correct 23 ms 11356 KB Output is correct
33 Correct 11 ms 11356 KB Output is correct
34 Correct 36 ms 11356 KB Output is correct
35 Correct 63 ms 11520 KB Output is correct
36 Correct 15 ms 11356 KB Output is correct
37 Correct 80 ms 11548 KB Output is correct
38 Correct 93 ms 11356 KB Output is correct
39 Correct 60 ms 11356 KB Output is correct
40 Correct 22 ms 11356 KB Output is correct
41 Correct 29 ms 11356 KB Output is correct
42 Correct 22 ms 11540 KB Output is correct
43 Correct 5 ms 11356 KB Output is correct
44 Correct 6 ms 11552 KB Output is correct
45 Correct 10 ms 11552 KB Output is correct
46 Correct 13 ms 11764 KB Output is correct
47 Correct 32 ms 11552 KB Output is correct
48 Correct 36 ms 11356 KB Output is correct
49 Correct 41 ms 11356 KB Output is correct
50 Correct 44 ms 11352 KB Output is correct
51 Correct 31 ms 11356 KB Output is correct
52 Correct 38 ms 11356 KB Output is correct
53 Correct 45 ms 11352 KB Output is correct
54 Correct 58 ms 11540 KB Output is correct
55 Incorrect 50 ms 20560 KB Output isn't correct
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 11356 KB Output is correct
2 Correct 3 ms 11356 KB Output is correct
3 Correct 3 ms 11356 KB Output is correct
4 Correct 2 ms 11356 KB Output is correct
5 Correct 2 ms 11356 KB Output is correct
6 Correct 2 ms 11356 KB Output is correct
7 Correct 3 ms 11352 KB Output is correct
8 Correct 3 ms 11356 KB Output is correct
9 Correct 3 ms 11352 KB Output is correct
10 Correct 3 ms 11352 KB Output is correct
11 Correct 3 ms 11352 KB Output is correct
12 Correct 4 ms 11356 KB Output is correct
13 Correct 2 ms 11608 KB Output is correct
14 Correct 3 ms 11356 KB Output is correct
15 Correct 3 ms 11356 KB Output is correct
16 Correct 3 ms 11356 KB Output is correct
17 Correct 3 ms 11356 KB Output is correct
18 Correct 3 ms 11356 KB Output is correct
19 Correct 3 ms 11356 KB Output is correct
20 Correct 3 ms 11356 KB Output is correct
21 Correct 2 ms 11352 KB Output is correct
22 Correct 3 ms 11356 KB Output is correct
23 Correct 3 ms 11356 KB Output is correct
24 Correct 3 ms 11356 KB Output is correct
25 Correct 3 ms 11356 KB Output is correct
26 Correct 3 ms 11356 KB Output is correct
27 Correct 3 ms 11356 KB Output is correct
28 Correct 3 ms 11356 KB Output is correct
29 Correct 62 ms 11352 KB Output is correct
30 Correct 54 ms 11556 KB Output is correct
31 Correct 41 ms 11352 KB Output is correct
32 Correct 23 ms 11356 KB Output is correct
33 Correct 11 ms 11356 KB Output is correct
34 Correct 36 ms 11356 KB Output is correct
35 Correct 63 ms 11520 KB Output is correct
36 Correct 15 ms 11356 KB Output is correct
37 Correct 80 ms 11548 KB Output is correct
38 Correct 93 ms 11356 KB Output is correct
39 Correct 60 ms 11356 KB Output is correct
40 Correct 22 ms 11356 KB Output is correct
41 Correct 29 ms 11356 KB Output is correct
42 Correct 22 ms 11540 KB Output is correct
43 Correct 5 ms 11356 KB Output is correct
44 Correct 6 ms 11552 KB Output is correct
45 Correct 10 ms 11552 KB Output is correct
46 Correct 13 ms 11764 KB Output is correct
47 Correct 32 ms 11552 KB Output is correct
48 Correct 36 ms 11356 KB Output is correct
49 Correct 41 ms 11356 KB Output is correct
50 Correct 44 ms 11352 KB Output is correct
51 Correct 31 ms 11356 KB Output is correct
52 Correct 38 ms 11356 KB Output is correct
53 Correct 45 ms 11352 KB Output is correct
54 Correct 58 ms 11540 KB Output is correct
55 Correct 138 ms 25856 KB Output is correct
56 Correct 361 ms 26232 KB Output is correct
57 Correct 168 ms 26316 KB Output is correct
58 Correct 215 ms 30936 KB Output is correct
59 Correct 225 ms 30656 KB Output is correct
60 Correct 162 ms 30136 KB Output is correct
61 Correct 211 ms 30260 KB Output is correct
62 Correct 246 ms 30412 KB Output is correct
63 Correct 222 ms 29892 KB Output is correct
64 Correct 270 ms 30788 KB Output is correct
65 Correct 225 ms 30664 KB Output is correct
66 Correct 224 ms 30672 KB Output is correct
67 Correct 209 ms 31020 KB Output is correct
68 Correct 296 ms 31648 KB Output is correct
69 Execution timed out 2008 ms 30448 KB Time limit exceeded
70 Halted 0 ms 0 KB -