oj.uz

답안 #837976

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
837976 2023-08-26T01:28:32 Z 1075508020060209tc Joker (BOI20_joker) C++14
49 / 100
 2000 ms 8132 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")

#include <bits/stdc++.h>
using namespace std;
int n;int m;int Q;
int ar[400005];
int br[400005];
int uf[200005];
int isbip;
int sz[200005];
int ufv[200005];
stack<int>stk;
stack<int>stkv;
stack<int>stkbp;
int finv(int x){
if(uf[x]==x){return 0;}
return (ufv[x]+finv(uf[x]))&1;
}
int fin(int x){
if(uf[x]==x){return x;}
int v=(ufv[x]+finv(uf[x]))&1;
ufv[x]=v;
uf[x]=fin(uf[x]);
return uf[x];
}

void mrg(int a,int b){
int pa=fin(a);int pb=fin(b);
if(pa==pb){
  //  stk.push(0);stkbp.push(isbip);
    if(finv(a)==finv(b)){
        isbip=0;
    }
    return;
}
//stkbp.push(isbip);
if(sz[pa]<sz[pb]){swap(pa,pb);swap(a,b);}
int va=finv(a);int vb=finv(b);
if(va==vb){
   // stkv.push(1);
    ufv[pb]=1;
    uf[pb]=pa;
    sz[pa]+=sz[pb];
}else{
    //stkv.push(0);
    ufv[pb]=0;
    uf[pb]=pa;
    sz[pa]+=sz[pb];
}
//stk.push(pb);
}
void rollback(){
int pb=stk.top();
if(pb==0){
    stk.pop();//stkv.pop();
    isbip=stkbp.top();
    stkbp.pop();
    return;
}
isbip=stkbp.top();
stk.pop();stkbp.pop();
int pa=uf[pb];
sz[pa]-=sz[pb];
uf[pb]=pb;
ufv[pb]=0;
}
int lar[200005];int rar[200005];int lpl[200005];

void precalc(){
for(int i=1;i<=n;i++){
    uf[i]=i;
    ufv[i]=0;
    sz[i]=1;
}
while(stk.size()){stk.pop();}
while(stkbp.size()){stkbp.pop();}

}

void dolid(int lid){
precalc();
isbip=1;
lpl[lid]=0;
for(int i=m+lid-1;i>=lid-1;i--){
    mrg(ar[i],br[i]);
    if(!isbip){
        lpl[lid]=i;break;
    }
}
}

signed main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
    
cin>>n>>m>>Q;
for(int i=1;i<=m;i++){
    cin>>ar[i]>>br[i];
    ar[i+m]=ar[i];
    br[i+m]=br[i];
}
set<int>st;
for(int i=1;i<=Q;i++){
    cin>>lar[i]>>rar[i];
    st.insert(lar[i]);
}
for(auto it=st.begin();it!=st.end();it++){
    int v=*it;
    dolid(v);
}
for(int i=1;i<=Q;i++){
    if(rar[i]<lpl[lar[i]]){
        cout<<"YES\n";
    }else{
        cout<<"NO\n";
    }
}

}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 464 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 464 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 15 ms 468 KB Output is correct
30 Correct 25 ms 468 KB Output is correct
31 Correct 20 ms 468 KB Output is correct
32 Correct 12 ms 496 KB Output is correct
33 Correct 7 ms 468 KB Output is correct
34 Correct 21 ms 500 KB Output is correct
35 Correct 25 ms 468 KB Output is correct
36 Correct 19 ms 468 KB Output is correct
37 Correct 47 ms 496 KB Output is correct
38 Correct 58 ms 492 KB Output is correct
39 Correct 26 ms 496 KB Output is correct
40 Correct 15 ms 468 KB Output is correct
41 Correct 15 ms 468 KB Output is correct
42 Correct 14 ms 468 KB Output is correct
43 Correct 16 ms 468 KB Output is correct
44 Correct 18 ms 468 KB Output is correct
45 Correct 19 ms 468 KB Output is correct
46 Correct 24 ms 468 KB Output is correct
47 Correct 20 ms 468 KB Output is correct
48 Correct 21 ms 592 KB Output is correct
49 Correct 22 ms 468 KB Output is correct
50 Correct 26 ms 468 KB Output is correct
51 Correct 17 ms 468 KB Output is correct
52 Correct 18 ms 492 KB Output is correct
53 Correct 19 ms 468 KB Output is correct
54 Correct 24 ms 468 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 49 ms 6808 KB Output is correct
4 Correct 53 ms 7880 KB Output is correct
5 Correct 51 ms 7756 KB Output is correct
6 Correct 50 ms 6732 KB Output is correct
7 Correct 51 ms 6796 KB Output is correct
8 Correct 49 ms 6476 KB Output is correct
9 Correct 48 ms 6860 KB Output is correct
10 Correct 50 ms 8104 KB Output is correct
11 Correct 50 ms 6732 KB Output is correct
12 Correct 53 ms 7700 KB Output is correct
13 Correct 52 ms 5836 KB Output is correct
14 Correct 54 ms 6348 KB Output is correct
15 Correct 51 ms 7244 KB Output is correct
16 Correct 52 ms 7884 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 464 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 49 ms 6808 KB Output is correct
30 Correct 53 ms 7880 KB Output is correct
31 Correct 51 ms 7756 KB Output is correct
32 Correct 50 ms 6732 KB Output is correct
33 Correct 51 ms 6796 KB Output is correct
34 Correct 49 ms 6476 KB Output is correct
35 Correct 48 ms 6860 KB Output is correct
36 Correct 50 ms 8104 KB Output is correct
37 Correct 50 ms 6732 KB Output is correct
38 Correct 53 ms 7700 KB Output is correct
39 Correct 52 ms 5836 KB Output is correct
40 Correct 54 ms 6348 KB Output is correct
41 Correct 51 ms 7244 KB Output is correct
42 Correct 52 ms 7884 KB Output is correct
43 Correct 452 ms 6716 KB Output is correct
44 Correct 1212 ms 7876 KB Output is correct
45 Correct 1095 ms 7876 KB Output is correct
46 Correct 108 ms 6844 KB Output is correct
47 Correct 116 ms 6848 KB Output is correct
48 Correct 391 ms 6980 KB Output is correct
49 Correct 651 ms 8132 KB Output is correct
50 Correct 675 ms 6488 KB Output is correct
51 Correct 617 ms 7192 KB Output is correct
52 Correct 565 ms 7880 KB Output is correct
53 Correct 318 ms 5916 KB Output is correct
54 Correct 368 ms 6616 KB Output is correct
55 Correct 579 ms 7316 KB Output is correct
56 Correct 667 ms 7876 KB Output is correct

Subtask #5
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 464 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 15 ms 468 KB Output is correct
30 Correct 25 ms 468 KB Output is correct
31 Correct 20 ms 468 KB Output is correct
32 Correct 12 ms 496 KB Output is correct
33 Correct 7 ms 468 KB Output is correct
34 Correct 21 ms 500 KB Output is correct
35 Correct 25 ms 468 KB Output is correct
36 Correct 19 ms 468 KB Output is correct
37 Correct 47 ms 496 KB Output is correct
38 Correct 58 ms 492 KB Output is correct
39 Correct 26 ms 496 KB Output is correct
40 Correct 15 ms 468 KB Output is correct
41 Correct 15 ms 468 KB Output is correct
42 Correct 14 ms 468 KB Output is correct
43 Correct 16 ms 468 KB Output is correct
44 Correct 18 ms 468 KB Output is correct
45 Correct 19 ms 468 KB Output is correct
46 Correct 24 ms 468 KB Output is correct
47 Correct 20 ms 468 KB Output is correct
48 Correct 21 ms 592 KB Output is correct
49 Correct 22 ms 468 KB Output is correct
50 Correct 26 ms 468 KB Output is correct
51 Correct 17 ms 468 KB Output is correct
52 Correct 18 ms 492 KB Output is correct
53 Correct 19 ms 468 KB Output is correct
54 Correct 24 ms 468 KB Output is correct
55 Execution timed out 2040 ms 5092 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 464 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 15 ms 468 KB Output is correct
30 Correct 25 ms 468 KB Output is correct
31 Correct 20 ms 468 KB Output is correct
32 Correct 12 ms 496 KB Output is correct
33 Correct 7 ms 468 KB Output is correct
34 Correct 21 ms 500 KB Output is correct
35 Correct 25 ms 468 KB Output is correct
36 Correct 19 ms 468 KB Output is correct
37 Correct 47 ms 496 KB Output is correct
38 Correct 58 ms 492 KB Output is correct
39 Correct 26 ms 496 KB Output is correct
40 Correct 15 ms 468 KB Output is correct
41 Correct 15 ms 468 KB Output is correct
42 Correct 14 ms 468 KB Output is correct
43 Correct 16 ms 468 KB Output is correct
44 Correct 18 ms 468 KB Output is correct
45 Correct 19 ms 468 KB Output is correct
46 Correct 24 ms 468 KB Output is correct
47 Correct 20 ms 468 KB Output is correct
48 Correct 21 ms 592 KB Output is correct
49 Correct 22 ms 468 KB Output is correct
50 Correct 26 ms 468 KB Output is correct
51 Correct 17 ms 468 KB Output is correct
52 Correct 18 ms 492 KB Output is correct
53 Correct 19 ms 468 KB Output is correct
54 Correct 24 ms 468 KB Output is correct
55 Correct 49 ms 6808 KB Output is correct
56 Correct 53 ms 7880 KB Output is correct
57 Correct 51 ms 7756 KB Output is correct
58 Correct 50 ms 6732 KB Output is correct
59 Correct 51 ms 6796 KB Output is correct
60 Correct 49 ms 6476 KB Output is correct
61 Correct 48 ms 6860 KB Output is correct
62 Correct 50 ms 8104 KB Output is correct
63 Correct 50 ms 6732 KB Output is correct
64 Correct 53 ms 7700 KB Output is correct
65 Correct 52 ms 5836 KB Output is correct
66 Correct 54 ms 6348 KB Output is correct
67 Correct 51 ms 7244 KB Output is correct
68 Correct 52 ms 7884 KB Output is correct
69 Correct 452 ms 6716 KB Output is correct
70 Correct 1212 ms 7876 KB Output is correct
71 Correct 1095 ms 7876 KB Output is correct
72 Correct 108 ms 6844 KB Output is correct
73 Correct 116 ms 6848 KB Output is correct
74 Correct 391 ms 6980 KB Output is correct
75 Correct 651 ms 8132 KB Output is correct
76 Correct 675 ms 6488 KB Output is correct
77 Correct 617 ms 7192 KB Output is correct
78 Correct 565 ms 7880 KB Output is correct
79 Correct 318 ms 5916 KB Output is correct
80 Correct 368 ms 6616 KB Output is correct
81 Correct 579 ms 7316 KB Output is correct
82 Correct 667 ms 7876 KB Output is correct
83 Execution timed out 2040 ms 5092 KB Time limit exceeded
84 Halted 0 ms 0 KB -