Submission #1220981
Source Code Expand
#include <iostream> #include <cstdio> #include <cstring> #include <vector> #include <algorithm> #include <cmath> using namespace std; #define mp make_pair #define pb push_back #define ll long long #define maxN 100011 int n, i; int a[maxN]; int dp_inc[maxN], dp_dec[maxN], dp[maxN]; int main() { // freopen("test.in","r",stdin); scanf("%d", &n); for (i = 1; i <= n; i++) { scanf("%d", &a[i]); dp_inc[i] = dp_dec[i] = 1; if (a[i - 1] <= a[i] && i > 1) dp_inc[i] = 1 + dp_inc[i - 1]; if (a[i - 1] >= a[i] && i > 1) dp_dec[i] = 1 + dp_dec[i - 1]; dp[i] = 1 + min(dp[i - dp_inc[i]], dp[i - dp_dec[i]]); } printf("%d", dp[n]); return 0; }
Submission Info
Submission Time | |
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Task | A - Sorted Arrays |
User | atatomir |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 750 Byte |
Status | AC |
Exec Time | 14 ms |
Memory | 1792 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:24:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ ./Main.cpp:26:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^
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 | 5 ms | 764 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_01.txt | AC | 9 ms | 1152 KB |
subtask_1_02.txt | AC | 7 ms | 1024 KB |
subtask_1_03.txt | AC | 5 ms | 768 KB |
subtask_1_04.txt | AC | 14 ms | 1792 KB |
subtask_1_05.txt | AC | 14 ms | 1792 KB |
subtask_1_06.txt | AC | 13 ms | 1792 KB |
subtask_1_07.txt | AC | 14 ms | 1792 KB |
subtask_1_08.txt | AC | 14 ms | 1792 KB |
subtask_1_09.txt | AC | 14 ms | 1792 KB |
subtask_1_10.txt | AC | 1 ms | 256 KB |
subtask_1_11.txt | AC | 1 ms | 256 KB |