Submission #624759

#	Time	Username	Problem	Language	Result	Execution time	Memory
624759		QwertyPi	Sandcastle 2 (JOI22_ho_t5)	C++14	9 / 100	23 ms	1068 KiB

Main

#include <bits/stdc++.h>
#define int long long
using namespace std;

int a[50013];

int h, w;
int id(int i, int j){
	return i * w + j;
}

int32_t main(){
	cin >> h >> w;
	for(int i = 0; i < h * w; i++){
		cin >> a[i];
	}
	int cnt = 1;
	int st = 0;
	int ans = 1;
	for(int i = 1; i < w; i++){
		if(a[i] > a[i - 1]){
			if(st > 0){
				cnt++;
			}else{
				cnt = 1;
			}
			ans += cnt + 1;
			st = 1;
		}else{
			if(st < 0){
				cnt++;
			}else{
				cnt = 1;
			}
			ans += cnt + 1;
			st = -1;
		}
	}
	cout << ans << endl;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 5
• Subtask 4: 0 / 56
• Subtask 5: 0 / 20