Submission #658850

#TimeUsernameProblemLanguageResultExecution timeMemory
658850EthanKim8683Cloud Computing (CEOI18_clo)C++17
0 / 100
5 ms3488 KiB
#include<bits/stdc++.h> using namespace std; using I=int; using Lli=long long int; const I N=2000; const I M=2000; const I C=50; const Lli MIN=-1e18; tuple<I,I,I>coms[N]; tuple<I,I,I>ords[M]; Lli dp[2][N][2*C+1]; void cmb(Lli&a,Lli b){ a=max(a,b); } I main(){ cin.tie(0)->sync_with_stdio(0); fill(&dp[0][0][0],&dp[0][0][0]+2*N*(2*C+1),MIN); I n;cin>>n; for(I i=0;i<n;i++){ I c,f,v;cin>>c>>f>>v; coms[i]={f,c,v}; } I m;cin>>m; for(I i=0;i<m;i++){ I c,f,v;cin>>c>>f>>v; ords[i]={f,c,v}; } sort(coms,coms+n); sort(ords,ords+m); Lli res=MIN; for(I i=0;i<m;i++){ for(I j=0;j<n;j++){ auto[fi,ci,vi]=ords[i]; auto[fj,cj,vj]=coms[j]; cmb(dp[i%2][j][0],-vj); for(I k=0;k<=cj;k++){ if(fj>=fi)cmb(dp[(i+1)%2][j][k+ci],dp[i%2][j][k]+vi); cmb(dp[(i+1)%2][j][k],dp[i%2][j][k]); cmb(res,dp[i%2][j][k]); } if(j+1<n)for(I k=0;k<=2*C;k++)cmb(dp[i%2][j+1][max(k-cj,0)],dp[i%2][j][k]-get<2>(coms[j+1])); } for(I j=0;j<n;j++)for(I k=0;k<=2*C;k++)dp[i%2][j][k]=MIN; } for(I i=0;i<n;i++)for(I j=0;j<=get<1>(coms[i]);j++)cmb(res,dp[m%2][i][j]); printf("%lli\n",res); }
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