Submission #3020847
Source Code Expand
#include<queue> #include<cstdio> #include<cctype> #include<algorithm> using namespace std; int n,m,l,r,tot,ans,tmp[200010]; pair<int,int>a[200010]; priority_queue<int>q; char buffer[10000010],*hed; char Getchar(){ return *hed++; } int rd(){ int x=0; char c; do c=Getchar(); while(!isdigit(c)); do{ x=(x<<1)+(x<<3)+(c^48); c=Getchar(); }while(isdigit(c)); return x; } int main(){ fread(buffer,1,10000000,stdin); hed=buffer; n=rd(),m=rd(); l=1,r=m; for(int i=1;i<=n;i++) a[i].first=rd(),a[i].second=-rd(); sort(a+1,a+n+1); for(int i=1;i<=n;i++){ q.push(a[i].second); if(l<=r&&l<=a[i].first) l++; else{ tmp[++tot]=-q.top(); q.pop(); } } sort(tmp+1,tmp+tot+1); for(int i=tot;i>=1;i--){ if(l<=r&&tmp[i]<=r) r--; else ans++; } printf("%d",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Exhausted? |
User | ezoiHQM |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 801 Byte |
Status | AC |
Exec Time | 42 ms |
Memory | 8824 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:25:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer,1,10000000,stdin); ^
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 | 33 ms | 8188 KB |
02.txt | AC | 15 ms | 4860 KB |
03.txt | AC | 34 ms | 8824 KB |
04.txt | AC | 34 ms | 8824 KB |
05.txt | AC | 2 ms | 2432 KB |
06.txt | AC | 23 ms | 5500 KB |
07.txt | AC | 42 ms | 8320 KB |
08.txt | AC | 34 ms | 8824 KB |
09.txt | AC | 39 ms | 8444 KB |
10.txt | AC | 7 ms | 3328 KB |
11.txt | AC | 37 ms | 8192 KB |
12.txt | AC | 27 ms | 4992 KB |
13.txt | AC | 36 ms | 6144 KB |
14.txt | AC | 36 ms | 6144 KB |
15.txt | AC | 37 ms | 8192 KB |
16.txt | AC | 20 ms | 4732 KB |
17.txt | AC | 34 ms | 8316 KB |
18.txt | AC | 35 ms | 8316 KB |
19.txt | AC | 31 ms | 8188 KB |
20.txt | AC | 35 ms | 8316 KB |
21.txt | AC | 7 ms | 3072 KB |
22.txt | AC | 34 ms | 8316 KB |
23.txt | AC | 6 ms | 2816 KB |
24.txt | AC | 35 ms | 8316 KB |
25.txt | AC | 10 ms | 4864 KB |
26.txt | AC | 10 ms | 4608 KB |
27.txt | AC | 11 ms | 4736 KB |
28.txt | AC | 12 ms | 4992 KB |
29.txt | AC | 13 ms | 8568 KB |
30.txt | AC | 13 ms | 8568 KB |
31.txt | AC | 35 ms | 8316 KB |
32.txt | AC | 30 ms | 8188 KB |
33.txt | AC | 35 ms | 8316 KB |
34.txt | AC | 22 ms | 5116 KB |
35.txt | AC | 17 ms | 4352 KB |
36.txt | AC | 36 ms | 8440 KB |
37.txt | AC | 2 ms | 2304 KB |
38.txt | AC | 1 ms | 2304 KB |
39.txt | AC | 1 ms | 2304 KB |
40.txt | AC | 1 ms | 2304 KB |
41.txt | AC | 1 ms | 2304 KB |
42.txt | AC | 1 ms | 2304 KB |
43.txt | AC | 1 ms | 2304 KB |
44.txt | AC | 1 ms | 2304 KB |
s1.txt | AC | 1 ms | 2304 KB |
s2.txt | AC | 1 ms | 2304 KB |
s3.txt | AC | 1 ms | 2304 KB |
s4.txt | AC | 1 ms | 2304 KB |