Submission #415073

#	Time	Username	Problem	Language	Result	Execution time	Memory
415073		Ahmadsm2005	Aliens (IOI16_aliens)	C++14	12 / 100	143 ms	8196 KiB

aliens

#include "aliens.h"
//#include "grader.cpp"
#include<bits/stdc++.h>
using namespace std;
long long DP[1001][1001],N,M;
vector<pair<long long,long long>>lolz;
long long REC(int idx,int left){
if(idx>=N)
return 0;
else if(!left)
return(long long)2e18;
if(DP[idx][left]+1)
return DP[idx][left];
long long miner=(long long)2e18,maxer=0;
for(int i=idx;i<N;i++){
maxer=max(maxer,(lolz[i].second+1)-lolz[idx].first);
miner=min(miner,REC(i+1,left-1)+maxer*maxer);
}
return DP[idx][left]=miner;
}
long long take_photos(int n,int m,int k,vector<int>r,vector<int>c){
M=m;
N=n;
for(int i=0;i<=1000;i++)
for(int l=0;l<=1000;l++)
DP[i][l]=-1;
for(int i=0;i<n;i++){
lolz.push_back({min(r[i],c[i]),max(r[i],c[i])});
}
sort(lolz.begin(),lolz.end());
return REC(0,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