Submission #432199

#	Time	Username	Problem	Language	Result	Execution time	Memory
432199		Pichon5	Aliens (IOI16_aliens)	C++17	12 / 100	171 ms	2316 KiB

aliens

#include "aliens.h"
#include <bits/stdc++.h>
#define pb push_back
#define F first
#define S second
#define vi vector<int>
#define vll vector<ll>
#define ll long long
using namespace std;
const int tam=505;
int N;
ll dp[tam][tam];
vi v;
ll f(int pos, int k){
    if(pos==N)return 0;
    if(k==0)return 1e6;
    if(dp[pos][k]!=-1)return dp[pos][k];
    dp[pos][k]=1e16;
    for(int i=pos;i<N;i++){
        ll tam=v[i]-v[pos]+1;
        dp[pos][k]=min(dp[pos][k],tam*tam+f(i+1,k-1));
    }
    return dp[pos][k];
}
void init(){
    for(int i=0;i<tam;i++){
        for(int l=0;l<tam;l++){
            dp[i][l]=-1;
        }
    }
}
long long take_photos(int n, int m, int k,vi r,vi c){
    sort(r.begin(),r.end());
    N=n;
    v=r;
    init();
    return f(0,min(k,n));
}

• Subtask 1: 0 / 4
• Subtask 2: 12 / 12
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 40