Submission #1109889

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109889		Wendidiask	Studentsko (COCI14_studentsko)	C++14	100 / 100	34 ms	2812 KiB

studentsko

/*
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 */
#include <bits/stdc++.h>
using namespace std;
using namespace std::chrono;
#define int long long
#define debug(x) cerr << #x << " is " << x << "\n"
#define hehe ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define rep(i, a, b) for (int i = a; i <= b; i++)
#define repb(i, a, b) for (int i = b; i >= a; i--)
#define pii pair<int, int>
#define linebreak cout << "---------------------------------------------------------\n"
#define f first
#define s second
#define pb push_back
#define START auto start = high_resolution_clock::now();
#define END cout << '\n'; auto stop = high_resolution_clock::now(); auto duration = duration_cast<microseconds>(stop - start); long double time = duration.count();cout << "Time taken: " << time/1000000.0 << " seconds" << '\n';
// good luck
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
const int MS = 2e5+5, mod = 1e9+7;
int n, k, a[MS], dp[MS];
pii p[MS];
int32_t main() {
	cin >> n >> k;
	for (int i = 1; i <= n; i++) {
		cin >> p[i].f; p[i].s = i;
	}
	sort(p+1, p+n+1); 
	int cnt = 1; a[p[1].s] = cnt;
	for (int i = 2; i <= n; i++) {
		if ((i-1)%k == 0) cnt++;
		a[p[i].s] = cnt;
	}
	dp[1] = 1;
	for (int i = 2; i <= n; i++) {
		dp[i] = 1;
		for (int j = 1; j < i; j++) {
			if (a[j] <= a[i]) dp[i] = max(dp[i], dp[j]+1); 
		}
	}
	cout << n-*max_element(dp+1, dp+n+1);
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10