Submission #3229447
Source Code Expand
#include <iostream> #include <climits> #include <cmath> #include <algorithm> #include <vector> #include <map> #include <set> #include <queue> #include <string> #include <deque> #define INF_INT (INT_MAX / 2) #define INF_LONG (LONG_MAX / 2) //#define DEBUG true #define DEBUG false using namespace std; typedef long long ll; typedef pair< int, int > pii; typedef pair< ll, ll > pll; typedef pair< ll, int > pli; typedef pair< int, ll > pil; int ceil(int x, int y){ return (x % y == 0) ? x / y : x / y + 1; } int gcd(int x, int y){ return y ? gcd(y, x % y) : x; } int lcm(int x, int y){ return x / gcd(x, y) * y; } int main(){ ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; int p[n]; for(int i = 0; i < n; i++) cin >> p[i]; int a[n + 1]; for(int i = 0; i < n; i++){ a[p[i]] = i; } int mx = 1, c = 1; for(int i = 1; i + 1 <= n; i++){ if(a[i] < a[i + 1]) ++c; else c = 1; mx = max(mx, c); } int ans = n - mx; cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Backfront |
User | rom |
Language | C++14 (Clang 3.8.0) |
Score | 500 |
Code Size | 1072 Byte |
Status | AC |
Exec Time | 165 ms |
Memory | 1792 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 | 161 ms | 1792 KB |
02.txt | AC | 161 ms | 1792 KB |
03.txt | AC | 161 ms | 1792 KB |
04.txt | AC | 161 ms | 1792 KB |
05.txt | AC | 161 ms | 1792 KB |
06.txt | AC | 162 ms | 1792 KB |
07.txt | AC | 155 ms | 1792 KB |
08.txt | AC | 155 ms | 1792 KB |
09.txt | AC | 155 ms | 1792 KB |
10.txt | AC | 155 ms | 1792 KB |
11.txt | AC | 157 ms | 1792 KB |
12.txt | AC | 158 ms | 1792 KB |
13.txt | AC | 159 ms | 1792 KB |
14.txt | AC | 161 ms | 1792 KB |
15.txt | AC | 160 ms | 1792 KB |
16.txt | AC | 161 ms | 1792 KB |
17.txt | AC | 161 ms | 1792 KB |
18.txt | AC | 161 ms | 1792 KB |
19.txt | AC | 155 ms | 1792 KB |
20.txt | AC | 155 ms | 1792 KB |
21.txt | AC | 160 ms | 1792 KB |
22.txt | AC | 165 ms | 1792 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 |