QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#492765 | #9155. 集合 | tuxuanming2024 | 100 ✓ | 184ms | 20060kb | C++14 | 987b | 2024-07-26 15:54:36 | 2024-07-26 15:54:37 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
typedef unsigned long long ull;
int n,m,q,a[N][3],b[N][3],res[N];
mt19937_64 rnd(31415926);
ull rd[N],va[N*3],vb[N*3],sa,sb;
void add(int i,ull t)
{
for(int k=0;k<3;k++)
{
sa-=va[a[i][k]]*va[a[i][k]]*va[a[i][k]];
va[a[i][k]]+=t*rd[i]*rd[i]*rd[i];
sa+=va[a[i][k]]*va[a[i][k]]*va[a[i][k]];
sb-=vb[b[i][k]]*vb[b[i][k]]*vb[b[i][k]];
vb[b[i][k]]+=t*rd[i]*rd[i]*rd[i];
sb+=vb[b[i][k]]*vb[b[i][k]]*vb[b[i][k]];
}
}
int main()
{
ios::sync_with_stdio(0),cin.tie(0);
cin>>n>>m>>q;
for(int i=1;i<=n;i++)
for(int j=0;j<3;j++) cin>>a[i][j];
for(int i=1;i<=n;i++)
for(int j=0;j<3;j++) cin>>b[i][j];
for(int i=1;i<=n;i++) rd[i]=rnd();
for(int i=1,j=0;i<=n;i++)
{
while(j<n)
{
add(j+1,1);
if(sa==sb) j++;
else {add(j+1,-1); break;}
}
res[i]=j,add(i,-1);
}
while(q--)
{
int l,r; cin>>l>>r;
cout<<(res[l]>=r?"Yes\n":"No\n");
}
return 0;
}
Details
Pretests
Pretest #1:
score: 5
Accepted
time: 0ms
memory: 9836kb
Pretest #2:
score: 5
Accepted
time: 1ms
memory: 9764kb
Pretest #3:
score: 5
Accepted
time: 1ms
memory: 9796kb
Pretest #4:
score: 5
Accepted
time: 1ms
memory: 11772kb
Pretest #5:
score: 5
Accepted
time: 1ms
memory: 9816kb
Pretest #6:
score: 5
Accepted
time: 1ms
memory: 11828kb
Pretest #7:
score: 5
Accepted
time: 0ms
memory: 9864kb
Pretest #8:
score: 5
Accepted
time: 0ms
memory: 9700kb
Pretest #9:
score: 5
Accepted
time: 19ms
memory: 9840kb
Pretest #10:
score: 5
Accepted
time: 16ms
memory: 9768kb
Pretest #11:
score: 5
Accepted
time: 63ms
memory: 12132kb
Pretest #12:
score: 5
Accepted
time: 66ms
memory: 10952kb
Pretest #13:
score: 5
Accepted
time: 2ms
memory: 9788kb
Pretest #14:
score: 5
Accepted
time: 0ms
memory: 9824kb
Pretest #15:
score: 5
Accepted
time: 99ms
memory: 11912kb
Pretest #16:
score: 5
Accepted
time: 100ms
memory: 9888kb
Pretest #17:
score: 5
Accepted
time: 7ms
memory: 9728kb
Pretest #18:
score: 5
Accepted
time: 4ms
memory: 12696kb
Pretest #19:
score: 5
Accepted
time: 173ms
memory: 11788kb
Pretest #20:
score: 5
Accepted
time: 177ms
memory: 20040kb
Final Tests
Test #1:
score: 5
Accepted
time: 1ms
memory: 9708kb
Test #2:
score: 5
Accepted
time: 1ms
memory: 9760kb
Test #3:
score: 5
Accepted
time: 0ms
memory: 9712kb
Test #4:
score: 5
Accepted
time: 1ms
memory: 9840kb
Test #5:
score: 5
Accepted
time: 0ms
memory: 9708kb
Test #6:
score: 5
Accepted
time: 1ms
memory: 9708kb
Test #7:
score: 5
Accepted
time: 1ms
memory: 9856kb
Test #8:
score: 5
Accepted
time: 1ms
memory: 9732kb
Test #9:
score: 5
Accepted
time: 16ms
memory: 9844kb
Test #10:
score: 5
Accepted
time: 16ms
memory: 9776kb
Test #11:
score: 5
Accepted
time: 66ms
memory: 10856kb
Test #12:
score: 5
Accepted
time: 66ms
memory: 12476kb
Test #13:
score: 5
Accepted
time: 2ms
memory: 9712kb
Test #14:
score: 5
Accepted
time: 0ms
memory: 9872kb
Test #15:
score: 5
Accepted
time: 103ms
memory: 9844kb
Test #16:
score: 5
Accepted
time: 96ms
memory: 9864kb
Test #17:
score: 5
Accepted
time: 6ms
memory: 9768kb
Test #18:
score: 5
Accepted
time: 8ms
memory: 12716kb
Test #19:
score: 5
Accepted
time: 162ms
memory: 11620kb
Test #20:
score: 5
Accepted
time: 184ms
memory: 20060kb
Extra Test:
score: 0
Extra Test Passed