제출 #1199395

#제출 시각아이디문제언어결과실행 시간메모리
1199395simplemind_31Bulldozer (JOI17_bulldozer)C++20
0 / 100
19 ms328 KiB
#include <bits/stdc++.h> #define ALL(x) x.begin(),x.end() using namespace std; typedef long long ll; typedef __int128_t lll; lll maxi; ll n,x; int main(){ ios_base::sync_with_stdio(0); cin.tie(0);cout.tie(0); cin >> n; vector<vector<lll>> points(n,{0,0,0}); for(lll i=0;i<n;i++){ cin >> x; points[i][0]=x; cin >> x; points[i][1]=x; cin >> x; points[i][2]=x; } vector<pair<lll,lll>> nums(n); for(lll i=0;i<n;i++){ for(lll j=i+1;j<n;j++){ pair<lll,lll> pendiente={points[j][1]-points[i][1],points[j][0]-points[i][0]}; nums.clear(); nums.resize(n); if(pendiente.second==0){ //hori for(int k=0;k<n;k++){ nums[k]={points[k][1],points[k][2]}; } sort(ALL(nums)); lll sum=0; for(int k=0;k<n;k++){ maxi=max(maxi,sum=max(nums[k].second,sum+nums[k].second)); } sum=0; for(int k=1;k<n;k++){ if(nums[k].first==nums[k-1].first){ swap(nums[k],nums[k-1]); } } for(int k=0;k<n;k++){ maxi=max(maxi,sum=max(nums[k].second,sum+nums[k].second)); } } if(pendiente.first==0){ //vertical for(int k=0;k<n;k++){ nums[k]={points[k][0],points[k][2]}; } sort(ALL(nums)); lll sum=0; for(int k=0;k<n;k++){ maxi=max(maxi,sum=max(nums[k].second,sum+nums[k].second)); } sum=0; for(int k=1;k<n;k++){ if(nums[k].first==nums[k-1].first){ swap(nums[k],nums[k-1]); } } for(int k=0;k<n;k++){ maxi=max(maxi,sum=max(nums[k].second,sum+nums[k].second)); } }else{ for(lll k=0;k<n;k++){ nums[k]={pendiente.first*points[k][0]-pendiente.second*points[k][1],points[k][2]}; } sort(ALL(nums)); lll sum=0; for(int k=0;k<n;k++){ maxi=max(maxi,sum=max(nums[k].second,sum+nums[k].second)); } sum=0; for(int k=1;k<n;k++){ if(nums[k].first==nums[k-1].first){ swap(nums[k],nums[k-1]); } } for(int k=0;k<n;k++){ maxi=max(maxi,sum=max(nums[k].second,sum+nums[k].second)); } } } } cout << (ll)maxi; }
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