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 |
---|---|---|---|---|---|---|---|---|---|
#169763 | #757. a | Invisible_H | 20 | 400ms | 4036kb | C++ | 1.6kb | 2023-03-09 16:52:31 | 2023-03-09 16:52:32 |
answer
#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int n,k;
struct node{
int l,r;
}a[200005];
bool cmp(node x,node y){
if(x.r!=y.r) return x.r<y.r;
return x.l<y.l;
}
struct Tree{
int maxx,tag;
}xd[1000005];
inline int ls(int x){return x<<1;}
inline int rs(int x){return x<<1|1;}
inline void push_up(int x){
xd[x].maxx=max(xd[ls(x)].maxx,xd[rs(x)].maxx);
}
inline void push_down(int id,int l,int r){
int mid=(l+r)>>1;
if(xd[id].tag!=0){
xd[ls(id)].tag+=xd[id].tag; xd[rs(id)].tag+=xd[id].tag;
xd[ls(id)].maxx+=xd[id].tag; xd[rs(id)].tag+=xd[id].tag;
xd[id].tag=0;
}
}
void build(int id,int l,int r){
if(l==r){
xd[id].maxx=xd[id].tag=0;
return;
}
int mid=(l+r)>>1;
build(ls(id),l,mid);
build(rs(id),mid+1,r);
push_up(id);
}
void update(int id,int l,int r,int x,int y,int t){
if(l>=x&&r<=y){
xd[id].tag+=t;
xd[id].maxx+=t;
return;
}
int mid=(l+r)>>1;
push_down(id,l,r);
if(x<=mid) update(ls(id),l,mid,x,y,t);
if(y>mid) update(rs(id),mid+1,r,x,y,t);
push_up(id);
}
int query(int id,int l,int r,int x,int y){
if(l>=x&&r<=y){
return xd[id].maxx;
}
int mid=(l+r)>>1,res=0; push_down(id,l,r);
if(x<=mid) res=max(res,query(ls(id),l,mid,x,y));
if(y>mid) res=max(res,query(rs(id),mid+1,r,x,y));
return res;
}
int main(){
scanf("%d%d",&n,&k);
for (int i=1;i<=n;i++){
scanf("%d%d",&a[i].l,&a[i].r);
}
sort(&a[1],&a[n+1],cmp);
int ans=0;
for (int i=1;i<=n;i++){
if(query(1,1,n,a[i].l,a[i].r)>=k) continue;
update(1,1,n,a[i].l,a[i].r,1);
ans++;
}
printf("%d\n",ans);
return 0;
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 1208kb
input:
17 3 1 11 5 10 5 5 14 17 11 17 4 4 5 13 1 15 1 11 1 17 12 13 10 14 8 11 2 14 10 11 2 6 12 12
output:
10
result:
wrong answer 1st numbers differ - expected: '11', found: '10'
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 1212kb
input:
17 1 3 8 7 9 15 17 7 9 4 16 8 13 1 13 14 16 5 17 2 3 9 17 8 17 4 10 6 11 6 11 15 16 13 16
output:
3
result:
wrong answer 1st numbers differ - expected: '4', found: '3'
Test #3:
score: 10
Accepted
time: 1ms
memory: 1208kb
input:
17 2 5 5 5 12 8 12 1 8 5 15 3 5 13 14 13 14 7 16 3 15 12 14 2 7 5 12 2 17 1 12 13 15 3 14
output:
7
result:
ok 1 number(s): "7"
Test #4:
score: 10
Accepted
time: 58ms
memory: 4020kb
input:
100000 1 53181 99732 73868 78625 13671 74194 20244 38430 4244 37174 47521 70192 38596 90797 24901 71...
output:
356
result:
ok 1 number(s): "356"
Test #5:
score: 0
Wrong Answer
time: 61ms
memory: 4012kb
input:
100000 1 69988 74981 23941 38636 22601 85466 5661 47788 31450 58306 8357 11961 91642 97991 63757 797...
output:
365
result:
wrong answer 1st numbers differ - expected: '361', found: '365'
Test #6:
score: 0
Wrong Answer
time: 54ms
memory: 4020kb
input:
100000 1 66583 86795 82294 90367 47884 96738 72892 91685 9373 12368 62875 76401 41033 92487 86260 87...
output:
365
result:
wrong answer 1st numbers differ - expected: '363', found: '365'
Test #7:
score: 0
Wrong Answer
time: 59ms
memory: 4036kb
input:
100000 602 41832 56793 25952 56814 8010 19229 3649 40123 57194 66430 1040 93332 84075 95680 25116 60...
output:
2809
result:
wrong answer 1st numbers differ - expected: '14813', found: '2809'
Test #8:
score: 0
Wrong Answer
time: 58ms
memory: 4032kb
input:
100000 409 17081 23219 82097 85963 35635 46773 91001 97925 20492 21634 55558 94177 3667 27117 47619 ...
output:
2452
result:
wrong answer 1st numbers differ - expected: '12153', found: '2452'
Test #9:
score: 0
Wrong Answer
time: 55ms
memory: 4032kb
input:
100000 216 73292 92330 29621 91027 46907 74317 58232 75848 74554 86074 10076 95022 11654 70159 57758...
output:
2146
result:
wrong answer 1st numbers differ - expected: '8903', found: '2146'
Test #10:
score: 0
Wrong Answer
time: 54ms
memory: 4036kb
input:
100000 23 39718 67579 16310 89632 1861 58179 25463 70124 28616 66867 48241 79514 13201 19641 8978 40...
output:
1271
result:
wrong answer 1st numbers differ - expected: '2741', found: '1271'