Submission #771191

#	Time	Username	Problem	Language	Result	Execution time	Memory
771191		dilanyan	Financial Report (JOI21_financial)	C++17	17 / 100	37 ms	2624 KiB

Main

//-------------dilanyan------------\\

#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<stack>
#include<stdio.h>
using namespace std;

//------------------KarginDefines--------------------\\
 
#define ll long long
#define pb push_back
#define all(u) (u).begin(), (u).end()
#define pqueue priority_queue
#define upper upper_bound
#define lower lower_bound
#define sz(s) s.size()
#define mkp make_pair
#define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL);
#define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout);

//-------------------KarginConstants------------------\\

const int mod = 1000000007;
const int infmax = INT32_MAX, infmin = INT32_MIN;
const ll Infmax = INT64_MAX, Infmin = INT64_MIN;

//-------------------KarginCode------------------------\\

const int N = 300005;
int a[N], dp[N], ans[N], mx[N];

void KarginSolve() {
	int n, d;
	cin >> n >> d;
	for (int i = 0;i < n;i++) {
		cin >> a[i];
	}
	if (n == d) {
		int lenght = 1;
		dp[0] = a[0];
		for (int i = 1; i < n; i++) {
			auto it = lower(dp, dp + lenght, a[i]);
			if (it == dp + lenght) {
				dp[lenght++] = a[i];
			}
			else {
				*it = a[i];
			}
		}
		cout << lenght;
	}
	else if (d == 1) {
		stack<int> st;
		int ans = 0;
		for (int i = n - 1;i >= 0;i--) {
			if (st.empty()) {
				st.push(a[i]);
			}
			else {
				while (!st.empty()) {
					int x = st.top();
					if (x >= a[i] + 1) {
						break;
					}
					st.pop();
				}
				st.push(a[i]);
			}
			ans = max(ans,(int) st.size());
		}
		cout << ans << endl;
	}
}

int main() {
	//Usaco
	Kargin;
	int test = 1;
	//cin >> test;
	while (test--) {
		KarginSolve();
		cout << endl;
	}
	return 0;
}

Compilation message (stderr)

Main.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
Main.cpp:9:1: warning: multi-line comment [-Wcomment]
    9 | //------------------KarginDefines--------------------\\
      | ^
Main.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
Main.cpp:28:1: warning: multi-line comment [-Wcomment]
   28 | //-------------------KarginCode------------------------\\
      | ^

• Subtask 1: 0 / 14
• Subtask 2: 0 / 14
• Subtask 3: 0 / 20
• Subtask 4: 12 / 12
• Subtask 5: 5 / 5
• Subtask 6: 0 / 35