Submission #198520

#	Time	Username	Problem	Language	Result	Execution time	Memory
198520		killB0x	Stove (JOI18_stove)	C++14	0 / 100	5 ms	376 KiB

stove

#include <bits/stdc++.h>
using namespace std;
using namespace std::chrono; 
typedef long long int ll;
typedef unsigned long long int ull;
typedef pair<int,int> ii;
typedef pair<ll,ll> dl;
typedef vector<ii> vii;
typedef vector<dl> vdll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<string> vs;
#define pb push_back
#define mp make_pair
#define ft first
#define sc second
#define in insert
#define bs binary_search
#define rc(s) return cout << s,0
const ll mod=1e9+7;
const int N=100005;
#define M_PI 3.14159265358979323846
#define INF LLONG_MAX/2
#define sz(x) ((int)(x.size()))
#define int ll
#define endl '\n'
#define map unordered_map
/*----------------------------*/
int dp[5005][5005],a[5005];
/*----------------------------*/
int32_t main() {
    //freopen("sol.in","r",stdin);
    //freopen("sol.out","w",stdout);
    ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
    int n,k;
    cin>>n>>k;
    for(int i=1;i<=n;i++)cin>>a[i];
    for(int i=0;i<=n;i++)for(int j=0;j<=k;j++)dp[i][j]=INF;
    dp[1][1]=a[1];
    for(int j=1;j<=k;j++)
    {
        for(int i=1;i<=n;i++)
        {
            if(i==1)dp[i][j]=a[1];
            else dp[i][j]=min(min(dp[i-1][j-1]+1,dp[i-1][j]+a[i]-a[i-1]),dp[i][j-1]);
            //cout<<dp[i][j]<<" ";
        }
        //cout<<endl;
    }
    int ans=INF;
    for(int i=1;i<=k;i++)ans=min(ans,dp[n][i]);
    rc(ans);
    //THIS IS IS THE END    
}   

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