QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #421563 | #8160. 切割 | masterhuang | 50 | 1623ms | 122188kb | C++20 | 1.3kb | 2024-05-25 21:21:43 | 2024-05-25 21:21:43 |
Judging History
answer
//洛谷 P10075
//https://www.luogu.com.cn/problem/P10075
#include<bits/stdc++.h>
#define LL long long
#define u64 unsigned long long
#define fr(x) freopen(#x".in","r",stdin);freopen(#x".out","w",stdout);
using namespace std;
mt19937_64 rnd(time(0));
const int N=1e6+5;
int n,m,q,B[9],b[9],tot=1,cnt,head[N],to[N],c[N];u64 a[N],w[N],s[25];bool v[N];
struct edge{int to,nex;}e[N<<1];
map<pair<int,int>,int>mp;
inline void add(int u,int v,int i)
{
if(u>v) swap(u,v);
if(mp[{u,v}]) return c[to[i]=mp[{u,v}]]++,assert(0),void();c[to[i]=mp[{u,v}]=++cnt]=1;
e[++tot]={v,head[u]};head[u]=tot;
e[++tot]={u,head[v]};head[v]=tot;
}
void dfs(int x,int fa)
{
v[x]=1;
for(int i=head[x];i;a[x]^=w[i>>1],i=e[i].nex)
{
int y=e[i].to;
if(y^fa)
{
if(v[y]&&!w[i>>1]) w[i>>1]=rnd();
else if(!v[y]) dfs(y,x),w[i>>1]=a[y];
}
}
}
int main()
{
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);cin>>n>>m;
for(int i=1,u,v;i<=m;i++) cin>>u>>v,add(u,v,i);dfs(1,0);cin>>q;
while(q--)
{
int k=0,K;cin>>K;for(int i=0;i<K;i++) cin>>B[i],B[i]=to[B[i]];
for(int i=0;i<K;i++) if(!--c[B[i]]) b[k++]=B[i];
for(int i=1;i<(1<<k);i++) s[i]=s[i-(1<<__lg(i))]^w[b[__lg(i)]];
cout<<((!k||*min_element(s+1,s+(1<<k)))?"ymqOAO":"Bob")<<"\n";
for(int i=0;i<K;i++) c[B[i]]++;
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 0
Runtime Error
input:
1500 2000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 49 5...
output:
result:
Test #2:
score: 5
Accepted
time: 0ms
memory: 4004kb
input:
1800 2000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 49 5...
output:
Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob ymqOAO Bob ymqOAO Bob ymqOAO Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob ymqOAO B...
result:
ok 1800 lines
Test #3:
score: 5
Accepted
time: 1488ms
memory: 110276kb
input:
1000000 999999 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55...
output:
Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ...
result:
ok 1000000 lines
Test #4:
score: 5
Accepted
time: 80ms
memory: 14360kb
input:
100000 99999 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ...
result:
ok 100000 lines
Test #5:
score: 0
Runtime Error
input:
90000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
result:
Test #6:
score: 5
Accepted
time: 71ms
memory: 16036kb
input:
80000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
Bob Bob ymqOAO Bob ymqOAO ymqOAO ymqOAO Bob ymqOAO Bob ymqOAO Bob ymqOAO ymqOAO Bob Bob ymqOAO ymqOAO ymqOAO ymqOAO ymqOAO ymqOAO ymqOAO ymqOAO Bob ymqOAO ymqOAO Bob ymqOAO ymqOAO ymqOAO ymqOAO Bob ymqOAO ymqOAO Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob ymqOAO ymqOAO Bob ymqOAO...
result:
ok 80000 lines
Test #7:
score: 0
Wrong Answer
time: 72ms
memory: 16112kb
input:
80000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob ymqOAO Bob ymqOAO ymqOAO ymqOAO Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob ymqOAO ymqOAO Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ...
result:
wrong answer 76838th lines differ - expected: 'Bob', found: 'ymqOAO'
Test #8:
score: 0
Runtime Error
input:
90000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
result:
Test #9:
score: 0
Runtime Error
input:
50000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
result:
Test #10:
score: 0
Runtime Error
input:
90000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
result:
Test #11:
score: 0
Runtime Error
input:
60000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
result:
Test #12:
score: 0
Runtime Error
input:
66000 100000 1 2 1 3 3 4 1 5 4 6 2 7 2 8 4 9 3 10 3 11 6 12 7 13 11 14 5 15 11 16 3 17 11 18 7 19 14 20 11 21 13 22 9 23 2 24 4 25 5 26 13 27 7 28 8 29 19 30 23 31 5 32 29 33 10 34 1 35 8 36 19 37 27 38 15 39 34 40 5 41 10 42 31 43 35 44 9 45 9 46 7 47 9 48 3 49 27 50 40 51 43 52 43 53 10 54 37 55 4...
output:
result:
Test #13:
score: 5
Accepted
time: 1502ms
memory: 122100kb
input:
915000 1000000 1 2 1 3 3 4 1 5 1 6 3 7 1 8 7 9 1 10 5 11 5 12 7 13 13 14 1 15 6 16 10 17 12 18 18 19 19 20 11 21 19 22 20 23 15 24 9 25 3 26 19 27 2 28 5 29 8 30 26 31 3 32 6 33 2 34 10 35 32 36 33 37 9 38 11 39 7 40 21 41 11 42 7 43 39 44 33 45 31 46 1 47 46 48 1 49 22 50 46 51 34 52 38 53 33 54 25...
output:
Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob...
result:
ok 915000 lines
Test #14:
score: 5
Accepted
time: 1561ms
memory: 122068kb
input:
915000 1000000 1 2 1 3 1 4 1 5 1 6 6 7 7 8 2 9 9 10 1 11 5 12 7 13 1 14 11 15 8 16 7 17 4 18 1 19 2 20 5 21 6 22 19 23 9 24 1 25 1 26 5 27 26 28 1 29 1 30 1 31 20 32 17 33 23 34 17 35 16 36 21 37 16 38 37 39 31 40 37 41 25 42 9 43 13 44 5 45 10 46 2 47 19 48 35 49 45 50 41 51 21 52 15 53 30 54 49 55...
output:
Bob ymqOAO Bob ymqOAO Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO Bob Bob ymqOAO Bob Bob ...
result:
ok 915000 lines
Test #15:
score: 5
Accepted
time: 1623ms
memory: 122044kb
input:
915000 1000000 1 2 1 3 1 4 1 5 2 6 1 7 6 8 1 9 4 10 9 11 5 12 1 13 7 14 9 15 7 16 5 17 17 18 7 19 11 20 15 21 7 22 15 23 11 24 4 25 20 26 9 27 22 28 1 29 12 30 25 31 26 32 31 33 23 34 26 35 34 36 1 37 30 38 13 39 1 40 37 41 2 42 20 43 42 44 16 45 45 46 39 47 43 48 45 49 37 50 21 51 6 52 44 53 30 54 ...
output:
Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob...
result:
ok 915000 lines
Test #16:
score: 0
Wrong Answer
time: 1622ms
memory: 122188kb
input:
915000 1000000 1 2 1 3 1 4 1 5 3 6 3 7 5 8 1 9 2 10 8 11 10 12 11 13 1 14 11 15 13 16 1 17 13 18 7 19 7 20 19 21 19 22 1 23 7 24 9 25 11 26 17 27 15 28 7 29 1 30 18 31 27 32 26 33 1 34 27 35 2 36 13 37 20 38 19 39 10 40 1 41 17 42 29 43 1 44 25 45 19 46 7 47 12 48 1 49 37 50 31 51 1 52 23 53 42 54 1...
output:
Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob ymqOAO Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bo...
result:
wrong answer 790426th lines differ - expected: 'Bob', found: 'ymqOAO'
Test #17:
score: 5
Accepted
time: 1561ms
memory: 122036kb
input:
915000 1000000 1 2 1 3 3 4 4 5 5 6 1 7 6 8 7 9 4 10 1 11 10 12 4 13 1 14 6 15 6 16 1 17 9 18 13 19 16 20 9 21 15 22 12 23 16 24 3 25 3 26 15 27 15 28 9 29 27 30 3 31 16 32 13 33 19 34 30 35 3 36 13 37 8 38 37 39 16 40 28 41 9 42 9 43 43 44 33 45 7 46 41 47 3 48 41 49 4 50 21 51 3 52 17 53 2 54 39 55...
output:
Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob...
result:
ok 915000 lines
Test #18:
score: 0
Wrong Answer
time: 1570ms
memory: 122076kb
input:
915000 1000000 1 2 1 3 1 4 3 5 4 6 1 7 1 8 2 9 1 10 5 11 2 12 5 13 5 14 11 15 1 16 15 17 17 18 7 19 16 20 18 21 1 22 13 23 14 24 16 25 7 26 7 27 16 28 22 29 11 30 1 31 25 32 17 33 1 34 2 35 27 36 36 37 9 38 28 39 19 40 1 41 15 42 22 43 36 44 4 45 42 46 39 47 21 48 21 49 15 50 21 51 1 52 45 53 8 54 1...
output:
Bob Bob Bob Bob ymqOAO Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob Bo...
result:
wrong answer 533992nd lines differ - expected: 'Bob', found: 'ymqOAO'
Test #19:
score: 5
Accepted
time: 1608ms
memory: 122100kb
input:
915000 1000000 1 2 1 3 1 4 1 5 4 6 3 7 7 8 3 9 4 10 1 11 9 12 7 13 2 14 1 15 4 16 3 17 13 18 1 19 1 20 15 21 16 22 7 23 19 24 17 25 15 26 14 27 10 28 21 29 8 30 1 31 21 32 9 33 19 34 23 35 1 36 29 37 30 38 15 39 28 40 35 41 41 42 1 43 11 44 6 45 20 46 23 47 44 48 13 49 34 50 49 51 35 52 38 53 36 54 ...
output:
Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob ymqOAO Bob ymqOAO Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob B...
result:
ok 915000 lines
Test #20:
score: 5
Accepted
time: 1487ms
memory: 122128kb
input:
915000 1000000 1 2 1 3 3 4 1 5 2 6 3 7 2 8 1 9 4 10 5 11 8 12 1 13 8 14 5 15 11 16 7 17 7 18 18 19 14 20 9 21 17 22 8 23 11 24 13 25 1 26 11 27 15 28 1 29 17 30 1 31 29 32 28 33 1 34 5 35 15 36 19 37 13 38 17 39 35 40 1 41 5 42 25 43 2 44 27 45 1 46 13 47 3 48 33 49 22 50 35 51 36 52 14 53 32 54 16 ...
output:
Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob ymqOAO ymqOAO Bob Bob Bob Bob Bob Bob ymqOAO Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob Bob y...
result:
ok 915000 lines