Submission #11594978
Source Code Expand
#pragma GCC optimize(3,"Ofast") #include <bits/stdc++.h> using namespace std; template<class t> inline t read(t &x){ char c=getchar();bool f=0;x=0; while(!isdigit(c)) f|=c=='-',c=getchar(); while(isdigit(c)) x=(x<<1)+(x<<3)+(c^48),c=getchar(); if(f) x=-x;return x; } template<class t> inline void write(t x){ if(x<0) putchar('-'),write(-x); else{if(x>9) write(x/10);putchar('0'+x%10);} } const int N=2e5+5; int n,m,ans,pn,p[N]; struct dislike{ int l,r; inline bool operator < (const dislike &nt) const { if(l==nt.l) return r>nt.r; return l<nt.l; } }a[N]; priority_queue<int,vector<int>,greater<int> > q; signed main(){ read(n);read(m); for(int i=1;i<=n;i++) read(a[i].l),read(a[i].r); sort(a+1,a+1+n); int l=1,r=m; for(int i=1;i<=n;i++){ q.push(a[i].r); if(l<=r&&l<=a[i].l) l++; else{ p[++pn]=q.top(); q.pop(); } } sort(p+1,p+1+pn,greater<int>()); for(int i=1;i<=pn;i++){ if(l<=r&&p[i]<=r) r--; else ans++; } write(ans); }
Submission Info
Submission Time | |
---|---|
Task | F - Exhausted? |
User | think_twice |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1031 Byte |
Status | AC |
Exec Time | 58 ms |
Memory | 3192 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 | 47 ms | 2556 KB |
02.txt | AC | 24 ms | 1788 KB |
03.txt | AC | 49 ms | 3192 KB |
04.txt | AC | 50 ms | 3192 KB |
05.txt | AC | 2 ms | 384 KB |
06.txt | AC | 34 ms | 2172 KB |
07.txt | AC | 58 ms | 2684 KB |
08.txt | AC | 50 ms | 3192 KB |
09.txt | AC | 54 ms | 2812 KB |
10.txt | AC | 11 ms | 1024 KB |
11.txt | AC | 54 ms | 2560 KB |
12.txt | AC | 39 ms | 1920 KB |
13.txt | AC | 53 ms | 2560 KB |
14.txt | AC | 52 ms | 2560 KB |
15.txt | AC | 54 ms | 2560 KB |
16.txt | AC | 29 ms | 1788 KB |
17.txt | AC | 50 ms | 2684 KB |
18.txt | AC | 50 ms | 2684 KB |
19.txt | AC | 46 ms | 2556 KB |
20.txt | AC | 56 ms | 2684 KB |
21.txt | AC | 10 ms | 896 KB |
22.txt | AC | 50 ms | 2684 KB |
23.txt | AC | 8 ms | 640 KB |
24.txt | AC | 50 ms | 2684 KB |
25.txt | AC | 18 ms | 2048 KB |
26.txt | AC | 16 ms | 1920 KB |
27.txt | AC | 15 ms | 2432 KB |
28.txt | AC | 16 ms | 2560 KB |
29.txt | AC | 29 ms | 2936 KB |
30.txt | AC | 29 ms | 2936 KB |
31.txt | AC | 56 ms | 2684 KB |
32.txt | AC | 44 ms | 2556 KB |
33.txt | AC | 51 ms | 2684 KB |
34.txt | AC | 32 ms | 1916 KB |
35.txt | AC | 25 ms | 1536 KB |
36.txt | AC | 52 ms | 2684 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 |