#include"aliens.h" #include<bits/stdc++.h> using namespace std; const int MAXN=5005; const long long INF=1e18; long long dp[MAXN][MAXN]; long long take_photos(int n,int m,int k,vector<int> r,vector<int> c) { vector< pair<int,int> > vi; for(int i=0;i<n;i++) vi.push_back({min(r[i],c[i]),max(r[i],c[i])}); sort(vi.begin(),vi.end()); vector< pair<int,int> > vv; vv.push_back(vi[0]); for(int i=1;i<n;i++) { if(vv.back().first==vi[i].first) vv.pop_back(),vv.push_back(vi[i]); else if(vv.back().second<vi[i].second) vv.push_back(vi[i]); } n=vv.size(),k=min(k,n); 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<=k;i++) { for(int j=i;j<=n;j++) for(int k=i-1;k<j;k++) if(k==0)dp[i][j]=min(dp[i][j],dp[i-1][k]+1LL*(vv[j-1].second-vv[k].first+1)*(vv[j-1].second-vv[k].first+1)); else dp[i][j]=min(dp[i][j],dp[i-1][k]+1LL*(vv[j-1].second-vv[k].first+1)*(vv[j-1].second-vv[k].first+1)-1LL*max(0,vv[k-1].second-vv[k].first+1)*max(0,vv[k-1].second-vv[k].first+1)); } return dp[k][n]; }

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
      |         ^~~~