QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#558386 | #8672. 排队 | djh0314 | 0 | 116ms | 22460kb | C++14 | 1.7kb | 2024-09-11 15:48:05 | 2024-09-11 15:48:11 |
Judging History
answer
#include <bits/stdc++.h>
//#define int long long
using namespace std;
const int N = 1e6+5;
inline int read() {
int x;
scanf("%d",&x);
return x;
}
int n, m,L[N],R[N];
struct Ques {
int l,r,id;
friend bool operator < (Ques a,Ques b) {
return a.r<b.r;
}
} qu[N];
int ans[N];
struct Tree {
#define ls p<<1
#define rs p<<1|1
int c[N<<2],tag[N<<2];
inline void pushup(int p) {
c[p]=min(c[ls],c[rs]);
}
inline void cl(int p,int x) {
c[p]+=x,tag[p]+=x;
}
inline void pushdown(int p) {
cl(ls,tag[p]),cl(rs,tag[p]);
tag[p]=0;
}
inline void change(int p,int L,int R,int l,int r) {
if(l<=L && R<=r) {
c[p]++,tag[p]++;
return ;
}
pushdown(p);
int mid=L+R>>1;
if(l<=mid) change(ls,L,mid,l,r);
if(mid<r) change(rs,mid+1,R,l,r);
pushup(p);
}
inline int query(int p,int L,int R,int x) {
if(L==R) return c[p];
int mid=L+R>>1;
pushdown(p);
if(x<=mid) return query(ls,L,mid,x);
else return query(rs,mid+1,R,x);
}
inline int Find(int p,int L,int R,int x) {
if(L==R) return L;
pushdown(p);
int mid=L+R>>1;
if(c[ls]<=x) return Find(ls,L,mid,x);
else Find(rs,mid+1,R,x);
}
} tr;
signed main() {
n=read(),m=read();
for(int i=1; i<=n; ++i) L[i]=read(),R[i]=read();
for(int i=1; i<=m; ++i) qu[i].l=read(),qu[i].r=read(),qu[i].id=i;
sort(qu+1,qu+m+1);
int now=1;
for(int i=1; i<=n; ++i) {
int Lf=tr.Find(1,1,n,R[i]),Rt=/*L[i]?(tr.Find(1,1,n,L[i]-1)-1):*/i;
Lf=max(Lf,1),Rt=min(Rt,i);
if(Lf<=Rt) tr.change(1,1,n,Lf,Rt);
while(now<=m && qu[now].r<=i) ans[qu[now].id]=tr.query(1,1,n,qu[now].l),++now;
}
for(int i=1; i<=m; ++i) cout<<ans[i]<<"\n";
return 0;
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 11944kb
input:
3 3 0 0 1 2 0 2 1 1 1 3 2 3
output:
1 3 2
result:
wrong answer 3rd numbers differ - expected: '1', found: '2'
Subtask #2:
score: 0
Runtime Error
Test #12:
score: 0
Runtime Error
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:
result:
Subtask #3:
score: 0
Runtime Error
Test #22:
score: 0
Runtime Error
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:
result:
Subtask #4:
score: 0
Wrong Answer
Test #32:
score: 0
Wrong Answer
time: 116ms
memory: 22460kb
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:
71225 21392 65746 47219 62293 29293 146311 136624 165312 81582 25124 120262 104926 12518 90916 31784 50073 15588 1518 106447 92329 71506 16695 4846 38213 34902 133281 98868 700 26264 6639 173461 61316 71682 15564 112193 125788 15305 41842 30380 24109 17436 10900 115179 22281 37582 101778 120170 1264...
result:
wrong answer 1st numbers differ - expected: '71224', found: '71225'
Subtask #5:
score: 0
Skipped
Dependency #1:
0%
Subtask #6:
score: 0
Skipped
Dependency #5:
0%