제출 #531720

#제출 시각아이디문제언어결과실행 시간메모리
531720mosiashvililukaAliens (IOI16_aliens)C++14
0 / 100
1 ms336 KiB
#include<bits/stdc++.h> #include "aliens.h" using namespace std; long long a,b,c,d,e,i,j,ii,jj,zx,xc,M,K,pi,dp[4005][4005],pr[1000009],pas; pair <long long, long long> p[1000009],pp[1000009]; long long take_photos(int Nn, int Mm, int Kk, std::vector<int> Rr, std::vector<int> Cc) { M=Nn;a=Mm;K=Kk; for(i=1; i<=M; i++){ if(Rr[i-1]>Cc[i-1]) swap(Rr[i-1],Cc[i-1]); pp[i]={Rr[i-1]+1,-Cc[i-1]-1}; } sort(pp+1,pp+M+1); for(i=1; i<=M; i++) pp[i].second=-pp[i].second; for(i=1; i<=M; i++){ if(pi!=0&&p[pi].second>=pp[i].second){ }else{ pi++;p[pi]=pp[i]; } } /*cout<<"rewrew "<<pi<<"\n"; for(i=1; i<=pi; i++) cout<<p[i].first<<" "<<p[i].second<<"\n";*/ for(i=1; i<=pi; i++){ pr[p[i].first]=p[i].second; } for(i=1; i<=a; i++){ pr[i]=max(pr[i],pr[i-1]); } for(i=0; i<=a+1; i++){ for(j=0; j<=K+1; j++){ dp[i][j]=a*a+3; } } dp[0][0]=0; for(i=1; i<=a; i++){ for(j=1; j<=min(i,K); j++){ dp[i][j]=i*i; for(ii=0; ii<i; ii++){ zx=i*i+i*(-2*ii)+(dp[pr[ii]][j-1]-pr[ii]*pr[ii]+2*pr[ii]*ii); dp[i][j]=min(dp[i][j],zx); } } } pas=dp[a][1]; for(j=1; j<=K; j++){ pas=min(pas,dp[a][j]); } return pas; }
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