QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#493051 | #9155. 集合 | Erinyes | 100 ✓ | 458ms | 77908kb | C++14 | 1.4kb | 2024-07-26 19:01:32 | 2024-07-26 19:01:32 |
Judging History
answer
#include<bits/stdc++.h>
#define endl '\n'
#define ull unsigned long long
using namespace std;
const int P=10007;
int n,m,q;
int p[22][200005],vst[2][600005];
ull HS[2],pw[200005],hs[2][600005];
struct node{int a,b,c;}a[200005],b[200005];
mt19937 rd(time(0));
unordered_map<ull,ull>g;
inline ull H(ull val){
if(g.find(val)!=g.end())return g[val];
return g[val]=((ull)rd()<<32)+rd();
}
inline void ins(int x,int id,int k,int op){
if(vst[op][x])HS[op]-=H(hs[op][x]);
hs[op][x]+=pw[id]*k,vst[op][x]+=k;
if(vst[op][x])HS[op]+=H(hs[op][x]);
}
inline void add(int x,int k){
ins(a[x].a,x,k,0),ins(a[x].b,x,k,0),ins(a[x].c,x,k,0);
ins(b[x].a,x,k,1),ins(b[x].b,x,k,1),ins(b[x].c,x,k,1);
}
inline int ask(int l,int r){
int k=__lg(r-l+1);
return min(p[k][l],p[k][r-(1<<k)+1]);
}
signed main(){
#ifndef ONLINE_JUDGE
freopen("ex_4.in","r",stdin);
freopen(".out","w",stdout);
#endif
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin>>n>>m>>q,pw[0]=1;
for(int i=1;i<=n;i++)cin>>a[i].a>>a[i].b>>a[i].c,pw[i]=pw[i-1]*P;
for(int i=1;i<=n;i++)cin>>b[i].a>>b[i].b>>b[i].c;
for(int i=1,j=0;i<=n;i++){
while(j<=n&&HS[0]==HS[1])add(++j,1);
assert(i<=j);
p[0][i]=j-1,add(i,-1);
}
for(int j=1;(1<<j)<=n;j++){
for(int i=1;i+(1<<j)-1<=n;i++){
p[j][i]=min(p[j-1][i],p[j-1][i+(1<<j-1)]);
}
}
while(q--){
int l,r;cin>>l>>r;
cout<<(ask(l,r)>=r?"Yes":"No")<<endl;
}
return 0;
}
Details
Pretests
Pretest #1:
score: 5
Accepted
time: 0ms
memory: 13892kb
Pretest #2:
score: 5
Accepted
time: 0ms
memory: 11896kb
Pretest #3:
score: 5
Accepted
time: 0ms
memory: 12104kb
Pretest #4:
score: 5
Accepted
time: 2ms
memory: 13880kb
Pretest #5:
score: 5
Accepted
time: 0ms
memory: 13932kb
Pretest #6:
score: 5
Accepted
time: 0ms
memory: 13884kb
Pretest #7:
score: 5
Accepted
time: 0ms
memory: 16020kb
Pretest #8:
score: 5
Accepted
time: 0ms
memory: 13976kb
Pretest #9:
score: 5
Accepted
time: 19ms
memory: 13928kb
Pretest #10:
score: 5
Accepted
time: 24ms
memory: 13956kb
Pretest #11:
score: 5
Accepted
time: 360ms
memory: 70324kb
Pretest #12:
score: 5
Accepted
time: 363ms
memory: 69500kb
Pretest #13:
score: 5
Accepted
time: 0ms
memory: 18452kb
Pretest #14:
score: 5
Accepted
time: 0ms
memory: 18540kb
Pretest #15:
score: 5
Accepted
time: 116ms
memory: 16328kb
Pretest #16:
score: 5
Accepted
time: 112ms
memory: 16744kb
Pretest #17:
score: 5
Accepted
time: 16ms
memory: 28608kb
Pretest #18:
score: 5
Accepted
time: 20ms
memory: 25412kb
Pretest #19:
score: 5
Accepted
time: 443ms
memory: 68872kb
Pretest #20:
score: 5
Accepted
time: 445ms
memory: 77676kb
Final Tests
Test #1:
score: 5
Accepted
time: 2ms
memory: 14152kb
Test #2:
score: 5
Accepted
time: 0ms
memory: 14096kb
Test #3:
score: 5
Accepted
time: 2ms
memory: 14172kb
Test #4:
score: 5
Accepted
time: 0ms
memory: 13932kb
Test #5:
score: 5
Accepted
time: 0ms
memory: 14000kb
Test #6:
score: 5
Accepted
time: 0ms
memory: 13896kb
Test #7:
score: 5
Accepted
time: 0ms
memory: 13960kb
Test #8:
score: 5
Accepted
time: 2ms
memory: 16000kb
Test #9:
score: 5
Accepted
time: 19ms
memory: 13980kb
Test #10:
score: 5
Accepted
time: 19ms
memory: 16252kb
Test #11:
score: 5
Accepted
time: 366ms
memory: 71608kb
Test #12:
score: 5
Accepted
time: 311ms
memory: 70972kb
Test #13:
score: 5
Accepted
time: 5ms
memory: 18452kb
Test #14:
score: 5
Accepted
time: 0ms
memory: 18492kb
Test #15:
score: 5
Accepted
time: 99ms
memory: 18472kb
Test #16:
score: 5
Accepted
time: 112ms
memory: 18560kb
Test #17:
score: 5
Accepted
time: 16ms
memory: 26492kb
Test #18:
score: 5
Accepted
time: 20ms
memory: 25332kb
Test #19:
score: 5
Accepted
time: 458ms
memory: 69520kb
Test #20:
score: 5
Accepted
time: 446ms
memory: 77908kb
Extra Test:
score: 0
Extra Test Passed