Submission #546775

#	Time	Username	Problem	Language	Result	Execution time	Memory
546775		tmn2005	Stove (JOI18_stove)	C++17	0 / 100	74 ms	196352 KiB

stove

#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include<bits/stdc++.h>

using namespace __gnu_pbds;
using namespace std;
typedef long long ll;

#define fr first
#define sc second

#define mk make_pair
#define cout cerr
#define pb push_back
#define pob pop_back
#define pf push_front
#define pof pop_front

#define int long long
#define pii pair<int,int>
#define piii pair<int,pii>

#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()

#define NeedForSpeed ios::sync_with_stdio(0), cin.tie(0)
#define ordered_set tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>

int n, m, k, a[5005], b, c, dp[5005][5005];

void solve(){
	memset(dp, 63, sizeof dp);
	
	cin>>n>>k;
	for(int i=1; i<=n; i++){
		cin>>a[i];
		dp[1][i] = a[i] - a[1] + 1;
	}
	for(int i=2; i<=k; i++){
		for(int j=1; j<=n; j++){
			for(int l=1; l<j; l++){
				dp[i][j] = min(dp[i][j], dp[i-1][l] + a[j] - a[l+1] + 1);
			}
		}
	}
	cout<<dp[k][n];
}
main(){
	NeedForSpeed;
	int T = 1;
//	cin >> T;
	while(T--){
		solve();
	}
	return 0;
}

Compilation message (stderr)

stove.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main(){
      | ^~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50