QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#488478 | #9155. 集合 | JohnAlfnov# | 100 ✓ | 670ms | 161184kb | C++14 | 1.7kb | 2024-07-24 08:06:27 | 2024-07-24 08:06:27 |
Judging History
answer
#include<bits/stdc++.h>
#include<bits/extc++.h>
using namespace std;
#define ull unsigned long long
ull seed=19730619;
ull ran(){
seed^=seed<<13;
seed^=seed>>7;
seed^=seed<<17;
return seed;
}
ull rd[200005];
__gnu_pbds::cc_hash_table<ull,int>m1,m2;
int rt[200005];
int a[200005][3],b[200005][3];
ull ha[600005],hb[600005];
int cj=0;
void add(int x){
for(int i=0;i<3;++i){
int z=a[x][i];
int g1=m1[ha[z]],g2=m2[ha[z]];
--m1[ha[z]];cj+=abs(g1-1-g2)-abs(g1-g2);
ha[z]^=rd[x];
int h1=m1[ha[z]],h2=m2[ha[z]];
++m1[ha[z]];cj+=abs(h1+1-h2)-abs(h1-h2);
}
for(int i=0;i<3;++i){
int z=b[x][i];
int g1=m2[hb[z]],g2=m1[hb[z]];
--m2[hb[z]];cj+=abs(g1-1-g2)-abs(g1-g2);
hb[z]^=rd[x];
int h1=m2[hb[z]],h2=m1[hb[z]];
++m2[hb[z]];cj+=abs(h1+1-h2)-abs(h1-h2);
}
}
void del(int x){
for(int i=0;i<3;++i){
int z=a[x][i];
int g1=m1[ha[z]],g2=m2[ha[z]];
--m1[ha[z]];cj+=abs(g1-1-g2)-abs(g1-g2);
ha[z]^=rd[x];
int h1=m1[ha[z]],h2=m2[ha[z]];
++m1[ha[z]];cj+=abs(h1+1-h2)-abs(h1-h2);
}
for(int i=0;i<3;++i){
int z=b[x][i];
int g1=m2[hb[z]],g2=m1[hb[z]];
--m2[hb[z]];cj+=abs(g1-1-g2)-abs(g1-g2);
hb[z]^=rd[x];
int h1=m2[hb[z]],h2=m1[hb[z]];
++m2[hb[z]];cj+=abs(h1+1-h2)-abs(h1-h2);
}
}
int main(){
int n,m,q;
scanf("%d%d%d",&n,&m,&q);
for(int i=1;i<=n;++i)rd[i]=ran();
for(int i=1;i<=n;++i)for(int j=0;j<3;++j)scanf("%d",&a[i][j]);
for(int i=1;i<=n;++i)for(int j=0;j<3;++j)scanf("%d",&b[i][j]);
m1[0]=m2[0]=n;
int r=1;
add(r);
for(int l=1;l<=n;++l){
while(r<=n&&cj==0){
++r;
if(r<=n)add(r);
}
rt[l]=r-1;
del(l);
}
while(q--){
int l,r;
scanf("%d%d",&l,&r);
puts(rt[l]>=r?"Yes":"No");
}
return 0;
}
Details
Pretests
Pretest #1:
score: 5
Accepted
time: 2ms
memory: 9832kb
Pretest #2:
score: 5
Accepted
time: 1ms
memory: 9896kb
Pretest #3:
score: 5
Accepted
time: 0ms
memory: 9860kb
Pretest #4:
score: 5
Accepted
time: 1ms
memory: 9832kb
Pretest #5:
score: 5
Accepted
time: 1ms
memory: 9856kb
Pretest #6:
score: 5
Accepted
time: 2ms
memory: 9868kb
Pretest #7:
score: 5
Accepted
time: 0ms
memory: 10196kb
Pretest #8:
score: 5
Accepted
time: 2ms
memory: 9904kb
Pretest #9:
score: 5
Accepted
time: 17ms
memory: 12236kb
Pretest #10:
score: 5
Accepted
time: 22ms
memory: 10196kb
Pretest #11:
score: 5
Accepted
time: 660ms
memory: 161184kb
Pretest #12:
score: 5
Accepted
time: 548ms
memory: 115008kb
Pretest #13:
score: 5
Accepted
time: 0ms
memory: 10712kb
Pretest #14:
score: 5
Accepted
time: 4ms
memory: 10784kb
Pretest #15:
score: 5
Accepted
time: 109ms
memory: 10728kb
Pretest #16:
score: 5
Accepted
time: 105ms
memory: 10628kb
Pretest #17:
score: 5
Accepted
time: 31ms
memory: 21520kb
Pretest #18:
score: 5
Accepted
time: 30ms
memory: 23052kb
Pretest #19:
score: 5
Accepted
time: 670ms
memory: 116472kb
Pretest #20:
score: 5
Accepted
time: 626ms
memory: 115712kb
Final Tests
Test #1:
score: 5
Accepted
time: 0ms
memory: 9856kb
Test #2:
score: 5
Accepted
time: 1ms
memory: 10076kb
Test #3:
score: 5
Accepted
time: 0ms
memory: 10132kb
Test #4:
score: 5
Accepted
time: 1ms
memory: 9792kb
Test #5:
score: 5
Accepted
time: 1ms
memory: 10052kb
Test #6:
score: 5
Accepted
time: 0ms
memory: 9860kb
Test #7:
score: 5
Accepted
time: 0ms
memory: 10204kb
Test #8:
score: 5
Accepted
time: 2ms
memory: 9928kb
Test #9:
score: 5
Accepted
time: 17ms
memory: 10000kb
Test #10:
score: 5
Accepted
time: 22ms
memory: 9864kb
Test #11:
score: 5
Accepted
time: 575ms
memory: 115972kb
Test #12:
score: 5
Accepted
time: 556ms
memory: 111132kb
Test #13:
score: 5
Accepted
time: 0ms
memory: 10748kb
Test #14:
score: 5
Accepted
time: 0ms
memory: 12668kb
Test #15:
score: 5
Accepted
time: 95ms
memory: 10784kb
Test #16:
score: 5
Accepted
time: 111ms
memory: 10664kb
Test #17:
score: 5
Accepted
time: 28ms
memory: 23392kb
Test #18:
score: 5
Accepted
time: 29ms
memory: 20728kb
Test #19:
score: 5
Accepted
time: 642ms
memory: 114108kb
Test #20:
score: 5
Accepted
time: 646ms
memory: 116764kb
Extra Test:
score: 0
Extra Test Passed