Submission #1267135

#	Time	Username	Problem	Language	Result	Execution time	Memory
1267135		vtnoo	Aliens (IOI16_aliens)	C++20	0 / 100	1 ms	328 KiB

aliens

#include <bits/stdc++.h>

using namespace std;

const long long INF=1e18;

long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c){
    vector<int> v;
    for(int i=0;i<n;i++){
        v.push_back(r[i]);
    }
    sort(v.begin(), v.end());
    v.erase(unique(v.begin(), v.end()), v.end());
    vector<vector<long long>> dp(k, vector<long long>(v.size(), INF));
    dp[0][0]=1;
    for(int j=1;j<v.size();j++){
        long long t=v[j]-v[0]+1;
        dp[0][j]=(t*t);
    }
    for(int i=1;i<k;i++){
        for(int j=0;j<v.size();j++){
            dp[i][j]=dp[i-1][j];
            for(int jj=0;jj<j;jj++){
                long long t=v[j]-v[jj];
                dp[i][j]=min(dp[i-1][jj]+t*t, dp[i][j]);
            }
        }
    }
    return dp[k-1].back();
}

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