Submission #2869889
Source Code Expand
#include <bits/stdc++.h> #define pb push_back #define all(a) a.begin(), a.end() #define sz(a) (int)a.size() #define x first #define y second using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int>pii; const int maxn=2e5+100; int n, p[maxn]; int main() { ios_base::sync_with_stdio(false), cin.tie(0); cin>>n; for(int i=1; i<=n; i++) { int a; cin>>a; p[a]=i; } int ans=0, now=0; for(int i=1; i<=n; i++) { if(p[i]<p[i-1])now=1; else now++; ans=max(ans, now); } cout<<n-ans<<"\n"; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Backfront |
User | JustasZJ |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 647 Byte |
Status | AC |
Exec Time | 19 ms |
Memory | 1024 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.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, s1.txt, s2.txt, s3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | AC | 19 ms | 1024 KB |
02.txt | AC | 19 ms | 1024 KB |
03.txt | AC | 19 ms | 1024 KB |
04.txt | AC | 19 ms | 1024 KB |
05.txt | AC | 19 ms | 1024 KB |
06.txt | AC | 19 ms | 1024 KB |
07.txt | AC | 17 ms | 1024 KB |
08.txt | AC | 17 ms | 1024 KB |
09.txt | AC | 17 ms | 1024 KB |
10.txt | AC | 17 ms | 1024 KB |
11.txt | AC | 19 ms | 1024 KB |
12.txt | AC | 19 ms | 1024 KB |
13.txt | AC | 18 ms | 1024 KB |
14.txt | AC | 19 ms | 1024 KB |
15.txt | AC | 19 ms | 1024 KB |
16.txt | AC | 19 ms | 1024 KB |
17.txt | AC | 19 ms | 1024 KB |
18.txt | AC | 19 ms | 1024 KB |
19.txt | AC | 17 ms | 1024 KB |
20.txt | AC | 17 ms | 1024 KB |
21.txt | AC | 19 ms | 1024 KB |
22.txt | AC | 19 ms | 1024 KB |
23.txt | AC | 1 ms | 256 KB |
24.txt | AC | 1 ms | 256 KB |
25.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 |