Submission #1322066

#TimeUsernameProblemLanguageResultExecution timeMemory
1322066dangcoderHolding (COCI20_holding)C++20
110 / 110
25 ms2360 KiB
/*
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*/
#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
typedef long long ll;

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	if(fopen(".INP", "r")) {
		freopen(".INP", "r", stdin);
		freopen(".OUT", "w", stdout);
	}
	int n, l, r, k;
	cin >> n >> l >> r >> k;
	vector<int> a(n + 1);
	for(int i = 1; i <= n; i++)
	cin >> a[i];
	int len = r - l + 1;
	vector<vector<int>> dp(len + 1, vector<int>(k + 1, 1e9));
	dp[0][0] = 0;
	for(int i = 1; i <= n; i++)
	{
		for(int j = min(len, i); j >= 1; --j)
		{
			int d = abs(i - (l + j - 1));
			for(int s = k; s >= d; s--)
				dp[j][s] = min(dp[j][s], dp[j - 1][s - d] + a[i]);
		}
	}
	int ans = 1e9;
	for(int s = 0; s <= k; s++)
		ans = min(ans, dp[len][s]);
	cout << ans;
	return 0;
}	

Compilation message (stderr)

holding.cpp: In function 'int main()':
holding.cpp:21:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |                 freopen(".INP", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~
holding.cpp:22:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |                 freopen(".OUT", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
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