Submission #1220997
Source Code Expand
/*
СТРОИМ СТЕНУ РАБОТЯГИ!
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*/
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
using namespace std;
template<typename T1, typename T2>inline void chkmin(T1 &x, T2 y) { if (x > y) x = y; }
template<typename T1, typename T2>inline void chkmax(T1 &x, T2 y) { if (x < y) x = y; }
/** Interface */
inline int readChar();
template <class T = int> inline T readInt();
template <class T> inline void writeInt( T x, char end = 0 );
inline void writeChar( int x );
inline void writeWord( const char *s );
/** Read */
static const int buf_size = 4096;
inline int getChar() {
static char buf[buf_size];
static int len = 0, pos = 0;
if (pos == len) {
pos = 0, len = fread(buf, 1, buf_size, stdin);
}
if (pos == len) {
return -1;
}
return buf[pos++];
}
inline int readChar() {
int c = getChar();
while (c <= 32) {
c = getChar();
}
return c;
}
template <class T>
inline T readInt() {
int s = 1, c = readChar();
T x = 0;
if (c == '-')
s = -1, c = getChar();
while ('0' <= c && c <= '9')
x = x * 10 + c - '0', c = getChar();
return s == 1 ? x : -x;
}
/** Write */
static int write_pos = 0;
static char write_buf[buf_size];
inline void writeChar( int x ) {
if (write_pos == buf_size)
fwrite(write_buf, 1, buf_size, stdout), write_pos = 0;
write_buf[write_pos++] = x;
}
template <class T>
inline void writeInt( T x, char end ) {
if (x < 0)
writeChar('-'), x = -x;
char s[24];
int n = 0;
while (x || !n)
s[n++] = '0' + x % 10, x /= 10;
while (n--)
writeChar(s[n]);
if (end)
writeChar(end);
}
inline void writeWord( const char *s ) { while (*s)
writeChar(*s++); }
struct Flusher {
~Flusher() {
if (write_pos)
fwrite(write_buf, 1, write_pos, stdout), write_pos = 0;
}
} flusher;
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define left left228
#define right right228
#define next next228
#define rank rank228
#define prev prev228
const int MAXN = 100001;
int n;
int a[MAXN];
int main() {
n = readInt();
for (int i = 0; i < n; i++) {
a[i] = readInt();
}
int cnt = 1;
bool wasu = 0, wasd = 0;
int uk = 0;
while (uk < n - 1) {
if (a[uk + 1] > a[uk]) {
wasu = 1;
if (wasd) {
wasd = 0;
cnt++;
wasu = 0;
}
} else {
if (a[uk + 1] < a[uk]) {
wasd = 1;
if (wasu) {
wasu = 0;
cnt++;
wasd = 0;
}
}
}
uk++;
}
writeInt(cnt, '\n');
return 0;
}
Submission Info
Submission Time |
|
Task |
A - Sorted Arrays |
User |
EgorLifar |
Language |
C++14 (GCC 5.4.1) |
Score |
300 |
Code Size |
4234 Byte |
Status |
AC |
Exec Time |
6 ms |
Memory |
768 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
300 / 300 |
Status |
|
|
Set Name |
Test Cases |
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 |
6 ms |
768 KB |
sample_02.txt |
AC |
1 ms |
256 KB |
sample_03.txt |
AC |
1 ms |
256 KB |
subtask_1_01.txt |
AC |
2 ms |
512 KB |
subtask_1_02.txt |
AC |
2 ms |
384 KB |
subtask_1_03.txt |
AC |
2 ms |
384 KB |
subtask_1_04.txt |
AC |
3 ms |
640 KB |
subtask_1_05.txt |
AC |
3 ms |
640 KB |
subtask_1_06.txt |
AC |
3 ms |
640 KB |
subtask_1_07.txt |
AC |
3 ms |
640 KB |
subtask_1_08.txt |
AC |
3 ms |
640 KB |
subtask_1_09.txt |
AC |
3 ms |
640 KB |
subtask_1_10.txt |
AC |
1 ms |
256 KB |
subtask_1_11.txt |
AC |
1 ms |
256 KB |