Submission #3020010
Source Code Expand
#include<bits/stdc++.h> using namespace std; const int S=(1<<20)+5; char buf[S],*H,*T; inline char Get() { if(H==T) T=(H=buf)+fread(buf,1,S,stdin); if(H==T) return -1;return *H++; } inline int read() { int x=0;char c=Get(); while(!isdigit(c)) c=Get(); while(isdigit(c)) x=x*10+c-'0',c=Get(); return x; } const int N=200010; struct Type { int l,r; friend bool operator < (const Type &a,const Type &b){return a.l<b.l||a.l==b.l&&a.r>b.r;} } a[N]; int n,m; int c[N]; int main() { n=read();m=read(); for(int i=1;i<=n;i++) a[i].l=read(),a[i].r=read(); sort(a+1,a+1+n); int L=0,R=m+1,cnt=0; for(int i=1;i<=n;i++) if(a[i].l>L&&L<m) L++; else c[++cnt]=a[i].r; sort(c+1,c+1+cnt); for(int i=cnt;i>=1;i--) { if(R-L==1) break; if(c[i]<R) R--; } printf("%d\n",n-(L+m-R+1)); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Exhausted? |
User | Ebola |
Language | C++ (GCC 5.4.1) |
Score | 1000 |
Code Size | 845 Byte |
Status | AC |
Exec Time | 31 ms |
Memory | 3584 KB |
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 | 24 ms | 2944 KB |
02.txt | AC | 13 ms | 2176 KB |
03.txt | AC | 25 ms | 3072 KB |
04.txt | AC | 25 ms | 3072 KB |
05.txt | AC | 2 ms | 384 KB |
06.txt | AC | 18 ms | 2432 KB |
07.txt | AC | 31 ms | 3328 KB |
08.txt | AC | 25 ms | 3072 KB |
09.txt | AC | 28 ms | 3200 KB |
10.txt | AC | 6 ms | 1280 KB |
11.txt | AC | 30 ms | 3584 KB |
12.txt | AC | 22 ms | 2944 KB |
13.txt | AC | 30 ms | 3584 KB |
14.txt | AC | 30 ms | 3584 KB |
15.txt | AC | 30 ms | 3584 KB |
16.txt | AC | 13 ms | 2432 KB |
17.txt | AC | 22 ms | 3200 KB |
18.txt | AC | 22 ms | 3200 KB |
19.txt | AC | 20 ms | 2944 KB |
20.txt | AC | 22 ms | 3200 KB |
21.txt | AC | 5 ms | 1152 KB |
22.txt | AC | 22 ms | 3200 KB |
23.txt | AC | 4 ms | 896 KB |
24.txt | AC | 22 ms | 3200 KB |
25.txt | AC | 10 ms | 3072 KB |
26.txt | AC | 9 ms | 2944 KB |
27.txt | AC | 10 ms | 3200 KB |
28.txt | AC | 11 ms | 3328 KB |
29.txt | AC | 11 ms | 2816 KB |
30.txt | AC | 11 ms | 2816 KB |
31.txt | AC | 23 ms | 3200 KB |
32.txt | AC | 19 ms | 2944 KB |
33.txt | AC | 22 ms | 3200 KB |
34.txt | AC | 14 ms | 2560 KB |
35.txt | AC | 11 ms | 2304 KB |
36.txt | AC | 24 ms | 3200 KB |
37.txt | AC | 1 ms | 256 KB |
38.txt | AC | 1 ms | 256 KB |
39.txt | AC | 1 ms | 256 KB |
40.txt | AC | 1 ms | 256 KB |
41.txt | AC | 1 ms | 256 KB |
42.txt | AC | 1 ms | 256 KB |
43.txt | AC | 1 ms | 256 KB |
44.txt | AC | 1 ms | 256 KB |
s1.txt | AC | 1 ms | 256 KB |
s2.txt | AC | 1 ms | 256 KB |
s3.txt | AC | 1 ms | 256 KB |
s4.txt | AC | 1 ms | 256 KB |