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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#413221 | #8672. 排队 | zzafanti# | 0 | 357ms | 31400kb | C++23 | 2.0kb | 2024-05-17 09:57:09 | 2024-05-17 09:57:10 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
struct segment{
vector<int> minx,maxx,tag;
segment(int sz){
minx=maxx=tag=vector<int>(sz*4+10);
}
void spread(int u,int val){
minx[u]+=val;
maxx[u]+=val;
tag[u]+=val;
}
void dn(int u){
if(tag[u]){
spread(u<<1,tag[u]);
spread(u<<1|1,tag[u]);
tag[u]=0;
}
}
void add(int u,int l,int r,int L,int R,int val){
if(maxx[u]<L||minx[u]>R) return ;
if(minx[u]>=L&&maxx[u]<=R){
spread(u,val);
return ;
}
if(u>=100) return ;
dn(u);
int mid=(l+r)>>1;
add(u<<1,l,mid,L,R,val);
add(u<<1|1,mid+1,r,L,R,val);
minx[u]=min(minx[u<<1],minx[u<<1|1]);
maxx[u]=max(maxx[u<<1],maxx[u<<1|1]);
}
void modify(int u,int l,int r,int pos,int val){
if(l==r) return minx[u]=maxx[u]=val,void(0);
dn(u);
int mid=(l+r)>>1;
if(pos<=mid) modify(u<<1,l,mid,pos,val);
else modify(u<<1|1,mid+1,r,pos,val);
minx[u]=min(minx[u<<1],minx[u<<1|1]);
maxx[u]=max(maxx[u<<1],maxx[u<<1|1]);
}
int query(int u,int l,int r,int pos){
if(l==r) return minx[u];
dn(u);
int mid=(l+r)>>1;
if(pos<=mid) return query(u<<1,l,mid,pos);
return query(u<<1|1,mid+1,r,pos);
}
};
int main(){
cin.tie(0),cout.tie(0)->sync_with_stdio(false);
int n,Q;
cin>>n>>Q;
vector<int> L(n+1),R(n+1);
for(int i=1; i<=n; i++){
cin>>L[i]>>R[i];
}
vector<vector<int>> add(n+2),del(n+2);
for(int i=1; i<=Q; i++){
int l,r;
cin>>l>>r;
add[l].emplace_back(i);
del[r+1].emplace_back(i);
}
vector<int> ans(n+1);
segment S(Q);
S.add(1,1,Q,0,0,-1);
for(int i=1; i<=n+1; i++){
for(auto p:add[i]){
S.modify(1,1,Q,p,0);
}
//cerr<<i<<endl;
for(auto p:del[i]){
ans[p]=S.query(1,1,Q,p);
S.modify(1,1,Q,p,-1);
}
if(i==n+1) break;
S.add(1,1,Q,L[i],R[i],1);
}
for(int i=1; i<=Q; i++){
cout<<ans[i]<<'\n';
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 10
Accepted
time: 1ms
memory: 3516kb
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: 4ms
memory: 4068kb
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: 306ms
memory: 28928kb
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:
11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 11 ...
result:
wrong answer 1564th numbers differ - expected: '11', found: '1'
Subtask #3:
score: 0
Wrong Answer
Test #22:
score: 0
Wrong Answer
time: 357ms
memory: 31400kb
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: 286ms
memory: 31332kb
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%