Submission #448172

#TimeUsernameProblemLanguageResultExecution timeMemory
448172DiriiCloud Computing (CEOI18_clo)C++14
100 / 100
1972 ms3596 KiB
#include <bits/stdc++.h> using namespace std ; const int MAX = 2010 ; struct computer { int c , f , v , id ; }; int mark[MAX] ; int n , m ; computer arr[MAX+MAX] ; long long dp[2][(MAX+MAX)*52] ; bool cmp(computer &a , computer &b) { if(a.f != b.f) return a.f > b.f ; else return a.id < b.id ; } int main() { ios_base::sync_with_stdio(0) ; cin.tie(0) ; cin>>n ; for(int i = 1 ; i <= n ; ++i) { cin>>arr[i].c>>arr[i].f>>arr[i].v ; arr[i].id = i ; } cin>>m ; for(int i = n+1 ; i <= n+m ; ++i) { cin>>arr[i].c>>arr[i].f>>arr[i].v ; arr[i].id = i ; } sort(arr+1 , arr+n+m+1 , cmp) ; long long ans = 0ll ; for(int j = 1 ; j <= (n+m)*50 ; ++j) dp[0][j] = -1e14 ; for(int i = 1 ; i <= n+m ; ++i) { for(int j = 0 ; j <= (n+m)*50 ; ++j) { dp[i&1][j] = dp[(i-1)&1][j] ; if(arr[i].id <= n) { if(j - arr[i].c >= 0) dp[i&1][j] = max(dp[i&1][j] , dp[(i-1)&1][j-arr[i].c]-arr[i].v) ; } else if(arr[i].id > n) { if(j+arr[i].c <= (n+m)*50) dp[i&1][j] = max(dp[i&1][j] , dp[(i-1)&1][arr[i].c+j] + arr[i].v) ; } ans = max(ans , dp[i&1][j]) ; } } return cout<<ans<<"\n" , 0 ; }
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