Submission #1692269
Source Code Expand
#include<iostream> #include<algorithm> #include<cstdio> #include<cmath> #include<math.h> #include<string> #include<string.h> #include<stack> #include<queue> #include<vector> #include<utility> #include<set> #include<map> #include<stdlib.h> #include<iomanip> using namespace std; #define ll long long #define ld long double #define EPS 0.0000000001 #define INF 1e9 #define MOD 1000000007 #define rep(i,n) for(i=0;i<n;i++) #define loop(i,a,n) for(i=a;i<n;i++) #define all(in) in.begin(),in.end() #define shosu(x) fixed<<setprecision(x) typedef vector<int> vi; typedef pair<int,int> pii; int main(void) { int i,j; int n; cin>>n; vi a(n); rep(i,n)cin>>a[i]; int ans=1; int s=0; rep(i,n-1){ if(s==0){ if(a[i]<a[i+1])s=1; if(a[i]>a[i+1])s=-1; }else if(s==1){ if(a[i]>a[i+1]){ s=0; ans++; } }else if(s==-1){ if(a[i]<a[i+1]){ s=0; ans++; } } } cout<<ans<<endl; }
Submission Info
Submission Time | |
---|---|
Task | A - Sorted Arrays |
User | rika0384 |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 993 Byte |
Status | AC |
Exec Time | 43 ms |
Memory | 768 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_01.txt | AC | 25 ms | 512 KB |
subtask_1_02.txt | AC | 20 ms | 384 KB |
subtask_1_03.txt | AC | 13 ms | 384 KB |
subtask_1_04.txt | AC | 41 ms | 640 KB |
subtask_1_05.txt | AC | 41 ms | 640 KB |
subtask_1_06.txt | AC | 41 ms | 640 KB |
subtask_1_07.txt | AC | 41 ms | 768 KB |
subtask_1_08.txt | AC | 41 ms | 640 KB |
subtask_1_09.txt | AC | 43 ms | 640 KB |
subtask_1_10.txt | AC | 1 ms | 256 KB |
subtask_1_11.txt | AC | 1 ms | 256 KB |