Submission #1380382
Source Code Expand
#include <cmath> #include <cstdio> #include <cstring> #include <algorithm> using namespace std; int a[200010],b[200010],c[200010]; int main() { //freopen("input.txt","r",stdin); int n;scanf("%d",&n); for (int i=1;i<=n;i++) {scanf("%d",&a[i]);b[a[i]]=i;} int k=n; while (k>1&&b[k-1]<b[k]) k--; int i=0;c[0]=k; while (c[i]>1) { int k=c[i]-1; while (k>1) { if (b[c[i]]<b[k-1]&&b[k-1]<b[k]||b[k-1]<b[k]&&b[k]<b[c[i]]||b[k]<b[c[i]]&&b[c[i]]<b[k-1]) {k--;continue;} break; } c[++i]=k; } printf("%d\n",i); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Strange Sorting |
User | SanSiroWaltz |
Language | C++14 (GCC 5.4.1) |
Score | 2400 |
Code Size | 652 Byte |
Status | AC |
Exec Time | 24 ms |
Memory | 2560 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:13:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int n;scanf("%d",&n); ^ ./Main.cpp:14:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i=1;i<=n;i++) {scanf("%d",&a[i]);b[a[i]]=i;} ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 2400 / 2400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 23 ms | 2304 KB |
in10.txt | AC | 23 ms | 2304 KB |
in11.txt | AC | 23 ms | 2304 KB |
in12.txt | AC | 24 ms | 2304 KB |
in13.txt | AC | 23 ms | 2304 KB |
in14.txt | AC | 23 ms | 2304 KB |
in15.txt | AC | 23 ms | 2304 KB |
in16.txt | AC | 23 ms | 2304 KB |
in17.txt | AC | 23 ms | 2304 KB |
in18.txt | AC | 23 ms | 2304 KB |
in19.txt | AC | 23 ms | 2304 KB |
in2.txt | AC | 23 ms | 2304 KB |
in20.txt | AC | 23 ms | 2304 KB |
in21.txt | AC | 20 ms | 1792 KB |
in22.txt | AC | 20 ms | 2560 KB |
in23.txt | AC | 1 ms | 128 KB |
in3.txt | AC | 23 ms | 2304 KB |
in4.txt | AC | 23 ms | 2304 KB |
in5.txt | AC | 23 ms | 2304 KB |
in6.txt | AC | 23 ms | 2304 KB |
in7.txt | AC | 23 ms | 2304 KB |
in8.txt | AC | 23 ms | 2304 KB |
in9.txt | AC | 23 ms | 2304 KB |
sample1.txt | AC | 1 ms | 128 KB |
sample2.txt | AC | 1 ms | 128 KB |
sample3.txt | AC | 1 ms | 128 KB |