Submission #1256993

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256993		Mingyuanz	Aliens (IOI16_aliens)	C++20	12 / 100	96 ms	2380 KiB

aliens

#include "aliens.h"
#include <bits/stdc++.h>
#define pb push_back
#define pii pair<Int,Int>
#define f first
#define s second
#define INF (int)1e17
#define MOD (int)(1e9+7)
#define MAXN 100005
#define enl '\n'
#define DB(CODE) cout<<'\t'<<CODE<<'\n';
#define SP <<' '<<
#define Int long long
typedef long long ll;
using namespace std;
long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
    pii arr[n];
    for(int i=0; i<n; i++) arr[i]={r[i],c[i]};
    sort(arr,arr+n,[](pii a,pii b){return a.f+a.s<b.f+b.s;});
    Int dp[k+1][n+1];
    for(Int i=0; i<=k; i++) for(Int j=0; j<=n; j++) dp[i][j]=INF;
    dp[0][0]=0;
    for(Int i=1; i<=n; i++) for(Int c=1; c<=k; c++){
        Int mx=-INF,mn=INF;
        for(Int j=i; j>0; j--){
            mx=max(mx,max(arr[j-1].f,arr[j-1].s));
            mn=min(mn,min(arr[j-1].f,arr[j-1].s));
            dp[c][i]=min(dp[c][i],dp[c-1][j-1]+(mx-mn+1)*(mx-mn+1));
        }
    }
    Int ans=INF;
    for(Int i=0; i<=k; i++) ans=min(ans,dp[i][n]);
    return ans;
}

Compilation message (stderr)

aliens.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
aliens_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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