Submission #3020173
Source Code Expand
#include<iostream> #include<cstdio> #include<algorithm> #include<vector> #include<queue> #include<stack> using namespace std; struct data{ int l,r; data():l(0),r(0){} data(int x,int y):l(x),r(y){} friend bool operator<(const data &dt1,const data &dt2){if(dt1.l==dt2.l)return dt1.r>dt2.r;return dt1.l<dt2.l;} }; vector<int> vec; priority_queue<int,vector<int>,greater<int>> pq; int n,m,ans; data a[200001]; int main(){ scanf("%d%d",&n,&m);for(int i=1;i<=n;++i)scanf("%d%d",&a[i].l,&a[i].r); sort(a+1,a+n+1); int head=1,tail=m; for(int i=1;i<=n;++i){ pq.push(a[i].r); if(head<=tail&&head<=a[i].l)++head;else vec.push_back(pq.top()),pq.pop(); } sort(vec.begin(),vec.end()); for(int i=vec.size()-1;~i;--i)if(head<=tail&&vec[i]<=tail)--tail;else ++ans; printf("%d",ans); }
Submission Info
Submission Time | |
---|---|
Task | F - Exhausted? |
User | luogu_bot1 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 819 Byte |
Status | AC |
Exec Time | 70 ms |
Memory | 3320 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:23:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m);for(int i=1;i<=n;++i)scanf("%d%d",&a[i].l,&a[i].r); ^ ./Main.cpp:23:72: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m);for(int i=1;i<=n;++i)scanf("%d%d",&a[i].l,&a[i].r); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 58 ms | 2812 KB |
02.txt | AC | 31 ms | 2428 KB |
03.txt | AC | 61 ms | 3148 KB |
04.txt | AC | 62 ms | 3144 KB |
05.txt | AC | 4 ms | 1920 KB |
06.txt | AC | 43 ms | 2556 KB |
07.txt | AC | 70 ms | 3320 KB |
08.txt | AC | 61 ms | 3192 KB |
09.txt | AC | 66 ms | 3064 KB |
10.txt | AC | 15 ms | 2176 KB |
11.txt | AC | 65 ms | 2936 KB |
12.txt | AC | 47 ms | 2936 KB |
13.txt | AC | 64 ms | 2936 KB |
14.txt | AC | 64 ms | 2936 KB |
15.txt | AC | 65 ms | 2936 KB |
16.txt | AC | 36 ms | 2428 KB |
17.txt | AC | 62 ms | 2812 KB |
18.txt | AC | 62 ms | 2812 KB |
19.txt | AC | 55 ms | 2724 KB |
20.txt | AC | 63 ms | 2756 KB |
21.txt | AC | 13 ms | 2048 KB |
22.txt | AC | 62 ms | 2812 KB |
23.txt | AC | 10 ms | 1996 KB |
24.txt | AC | 62 ms | 2812 KB |
25.txt | AC | 30 ms | 2936 KB |
26.txt | AC | 29 ms | 2936 KB |
27.txt | AC | 33 ms | 2936 KB |
28.txt | AC | 35 ms | 2936 KB |
29.txt | AC | 41 ms | 2936 KB |
30.txt | AC | 41 ms | 2936 KB |
31.txt | AC | 63 ms | 2812 KB |
32.txt | AC | 54 ms | 2812 KB |
33.txt | AC | 62 ms | 2812 KB |
34.txt | AC | 40 ms | 2556 KB |
35.txt | AC | 32 ms | 2428 KB |
36.txt | AC | 64 ms | 2812 KB |
37.txt | AC | 2 ms | 1792 KB |
38.txt | AC | 2 ms | 1792 KB |
39.txt | AC | 2 ms | 1792 KB |
40.txt | AC | 2 ms | 1792 KB |
41.txt | AC | 2 ms | 1792 KB |
42.txt | AC | 2 ms | 1792 KB |
43.txt | AC | 2 ms | 1792 KB |
44.txt | AC | 2 ms | 1792 KB |
s1.txt | AC | 2 ms | 1792 KB |
s2.txt | AC | 2 ms | 1792 KB |
s3.txt | AC | 2 ms | 1792 KB |
s4.txt | AC | 2 ms | 1792 KB |