QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#557982 | #8672. 排队 | zqiaor | 0 | 71ms | 14592kb | C++14 | 952b | 2024-09-11 13:13:08 | 2024-09-11 13:13:08 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define mid (l+r>>1)
int T,n,Q,ans[1000005],c[1000005];
struct node{int l,r;}a[1000005];
struct query{int l,r,id;}q[1000005];
bool cmp(query x,query y){return x.l<y.l;}
void add(int x,int y){
if(x==0)return;
while(x<=n)c[x]+=y,x+=x&-x;
}
int get(int x){
int res=0;
while(x)res+=c[x],x-=x&-x;
return res;
}
int find(int x){
int res=0;
for(int i=19;~i;i--)
if(res+(1<<i)<=n&&c[res+(1<<i)]>x)
res+=1<<i,x-=c[res];
return res+1;
}
void solve(){
cin>>n>>Q;
for(int i=1;i<=n;i++)cin>>a[i].l>>a[i].r;
for(int i=1;i<=Q;i++)cin>>q[i].l>>q[i].r,q[i].id=i;
sort(q+1,q+Q+1,cmp);
for(int i=1,x=1,l,r;i<=n;i++){
l=find(a[i].r),r=min(i+1,find(a[i].l-1)),add(l,1),add(r,-1);
while(x<=n&&q[x].r==i)ans[q[x].id]=get(q[x].l),x++;
}
for(int i=1;i<=Q;i++)cout<<ans[i]<<'\n';
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0),solve();
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 10
Accepted
time: 1ms
memory: 7756kb
input:
3 3 0 0 1 2 0 2 1 1 1 3 2 3
output:
1 3 1
result:
ok 3 number(s): "1 3 1"
Test #2:
score: 0
Wrong Answer
time: 2ms
memory: 7828kb
input:
5000 5000 5 10 3 9 3 8 2 7 2 5 3 6 1 5 0 2 7 8 2 10 0 3 3 6 4 6 1 6 4 8 7 8 2 7 3 4 4 9 7 8 2 9 2 5 3 6 0 5 6 7 1 2 2 4 2 10 1 5 7 9 6 9 2 3 9 10 5 5 2 9 3 3 2 7 2 4 0 6 0 3 1 7 7 7 4 8 2 9 4 8 0 10 1 8 1 1 2 7 5 9 1 7 1 7 1 4 2 4 1 4 2 9 1 7 4 7 3 8 1 3 4 6 1 5 1 6 0 0 3 9 4 7 2 8 1 8 1 2 7 8 2 7 2...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st numbers differ - expected: '11', found: '0'
Subtask #2:
score: 0
Wrong Answer
Test #12:
score: 0
Wrong Answer
time: 61ms
memory: 14592kb
input:
200000 200000 3 6 3 3 6 10 1 7 2 7 6 9 4 6 3 4 0 8 0 6 3 5 3 4 1 8 7 8 4 5 0 3 1 5 2 9 1 2 1 2 3 4 5 7 6 10 3 9 4 7 1 6 2 6 1 7 2 5 1 7 6 8 1 1 0 7 7 8 0 9 1 7 3 8 3 7 1 2 4 8 5 6 0 6 5 6 2 7 2 6 0 6 0 6 1 7 2 5 0 3 0 3 7 10 3 8 0 2 3 4 3 7 4 9 0 6 4 7 2 6 8 10 2 10 4 10 3 3 2 6 4 5 3 9 1 8 1 2 2 9 ...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st numbers differ - expected: '11', found: '0'
Subtask #3:
score: 0
Wrong Answer
Test #22:
score: 0
Wrong Answer
time: 69ms
memory: 11760kb
input:
200000 200000 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 0 0 9 0 10 0 0 0 0 0 13 0 14 0 0 0 16 0 17 0 18 0 19 0 0 0 21 0 22 0 23 0 0 0 0 0 0 0 0 0 28 0 0 0 30 0 31 0 32 0 33 0 34 0 35 0 0 0 0 0 38 0 39 0 40 0 41 0 42 0 43 0 44 0 45 0 46 0 0 0 48 0 49 0 50 0 51 0 52 0 53 0 54 0 55 0 56 0 57 0 0 0 59 0 60 0 0 0 0 ...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st numbers differ - expected: '19141', found: '0'
Subtask #4:
score: 0
Wrong Answer
Test #32:
score: 0
Wrong Answer
time: 71ms
memory: 14368kb
input:
200000 200000 0 200000 1 200000 1 200000 0 200000 0 200000 1 200000 1 200000 1 200000 0 200000 1 200000 0 200000 0 200000 1 200000 0 200000 0 200000 0 200000 0 200000 1 200000 0 200000 0 200000 1 200000 0 200000 1 200000 1 200000 1 200000 1 200000 0 200000 0 200000 1 200000 2 200000 1 200000 2 20000...
output:
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
result:
wrong answer 1st numbers differ - expected: '71224', found: '0'
Subtask #5:
score: 0
Skipped
Dependency #1:
0%
Subtask #6:
score: 0
Skipped
Dependency #5:
0%