Submission #786211

#	Time	Username	Problem	Language	Result	Execution time	Memory
786211		Magikarp4000	Aliens (IOI16_aliens)	C++17	12 / 100	87 ms	2316 KiB

aliens

#include "aliens.h"
#include <bits/stdc++.h>
using namespace std;
#define OPTM ios_base::sync_with_stdio(0); cin.tie(0);
#define INF int(1e9+7)
#define ln '\n' 
#define ll long long
#define ull unsigned long long
#define ui unsigned int
#define us unsigned short
#define FOR(i,s,n) for (int i = s; i < n; i++)
#define FORR(i,n,s) for (int i = n; i > s; i--)
#define FORX(u, arr) for (auto u : arr)
#define PB push_back
#define in(v,x) (v.find(x) != v.end())
#define F first
#define S second
#define PII pair<int, int>
#define PLL pair<ll, ll>
#define UM unordered_map
#define US unordered_set
#define PQ priority_queue
#define ALL(v) v.begin(), v.end()
const ll LLINF = 1e18+1;
#define int long long

const int MAXN = 5e2+5;
int n;
int dp[MAXN][MAXN];
vector<PII> v;

int sq(int x) {return x*x;}

long long take_photos(int32_t N, int32_t m, int32_t k, vector<int32_t> R, vector<int32_t> C) {
    US<int> vis;
    FOR(i,0,N) {
        if (!vis.count(R[i])) {
            vis.insert(R[i]);
            v.PB({R[i],C[i]});
        }
    }
    sort(ALL(v));
    n = v.size();
    FOR(j,0,k+1) dp[0][j] = 0LL;
    FOR(i,1,n+1) FOR(j,0,k+1) dp[i][j] = LLINF;
    FOR(i,1,n+1) {
        FOR(j,1,k+1) {
            FOR(l,0,i) {
                dp[i][j] = min(dp[i][j], dp[l][j-1]+sq(v[i-1].F-v[l].F+1LL));
            }
        }
    }
    return dp[n][k];
}

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