Submission #1005536
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define all(c) c.begin(),c.end() #define pb push_back #define fs first #define sc second #define show(x) cout << #x << " = " << x << endl #define chmin(x,y) x=min(x,y) #define chmax(x,y) x=max(x,y) using namespace std; template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){return o<<"("<<p.fs<<","<<p.sc<<")";} template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){o<<"sz = "<<vc.size()<<endl<<"[";for(const T& v:vc) o<<v<<",";o<<"]";return o;} typedef long long ll; ll inf=1e18; int N; ll L[5000],R[5000]; ll dp[2][2501][2501]; int main(){ cin>>N; rep(i,N) cin>>L[i]>>R[i]; rep(i,N-1) rep(j,N-1) if(L[j]+R[j]<L[j+1]+R[j+1]) swap(L[j],L[j+1]),swap(R[j],R[j+1]); rep(i,2) rep(j,2501) rep(k,2501) dp[i][j][k]=inf; dp[0][0][0]=0; rep(n,N){ rep(c,2) rep(l,n+1-c){ int r=n-l-c; if(l>2500||r>2500) continue; if(dp[c][l][r]==inf) continue; if(c==0) chmin(dp[1][l][r],dp[0][l][r]+N/2*(L[n]+R[n])); if(l<2500) chmin(dp[c][l+1][r],dp[c][l][r]+l*(L[n]+R[n])+R[n]); if(r<2500) chmin(dp[c][l][r+1],dp[c][l][r]+r*(L[n]+R[n])+L[n]); } } ll ans=inf; rep(c,2) rep(l,N+1-c){ int r=N-l-c; if(l<=2500&&r<=2500) chmin(ans,dp[c][l][r]); } cout<<ans<<endl; }
Submission Info
Submission Time | |
---|---|
Task | F - Intervals |
User | sigma425 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1370 Byte |
Status | AC |
Exec Time | 413 ms |
Memory | 98048 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
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Set Name | Test Cases |
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Sample | example0.txt, example1.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 413 ms | 98048 KB |
001.txt | AC | 202 ms | 98048 KB |
002.txt | AC | 412 ms | 98048 KB |
003.txt | AC | 388 ms | 98048 KB |
004.txt | AC | 412 ms | 98048 KB |
005.txt | AC | 298 ms | 98048 KB |
006.txt | AC | 411 ms | 98048 KB |
007.txt | AC | 334 ms | 98048 KB |
008.txt | AC | 411 ms | 98048 KB |
009.txt | AC | 152 ms | 98048 KB |
010.txt | AC | 409 ms | 98048 KB |
011.txt | AC | 314 ms | 98048 KB |
012.txt | AC | 411 ms | 98048 KB |
013.txt | AC | 145 ms | 98048 KB |
014.txt | AC | 413 ms | 98048 KB |
015.txt | AC | 202 ms | 98048 KB |
016.txt | AC | 411 ms | 98048 KB |
017.txt | AC | 384 ms | 98048 KB |
018.txt | AC | 410 ms | 98048 KB |
019.txt | AC | 328 ms | 98048 KB |
020.txt | AC | 112 ms | 97920 KB |
021.txt | AC | 112 ms | 97920 KB |
022.txt | AC | 391 ms | 98048 KB |
023.txt | AC | 402 ms | 98048 KB |
024.txt | AC | 400 ms | 98048 KB |
025.txt | AC | 404 ms | 98048 KB |
026.txt | AC | 398 ms | 98048 KB |
027.txt | AC | 404 ms | 98048 KB |
028.txt | AC | 398 ms | 98048 KB |
029.txt | AC | 400 ms | 98048 KB |
030.txt | AC | 398 ms | 98048 KB |
031.txt | AC | 402 ms | 98048 KB |
032.txt | AC | 397 ms | 98048 KB |
033.txt | AC | 402 ms | 98048 KB |
034.txt | AC | 400 ms | 98048 KB |
035.txt | AC | 401 ms | 98048 KB |
036.txt | AC | 397 ms | 98048 KB |
037.txt | AC | 403 ms | 98048 KB |
038.txt | AC | 402 ms | 98048 KB |
039.txt | AC | 402 ms | 98048 KB |
040.txt | AC | 403 ms | 98048 KB |
041.txt | AC | 402 ms | 98048 KB |
042.txt | AC | 403 ms | 98048 KB |
example0.txt | AC | 113 ms | 97920 KB |
example1.txt | AC | 112 ms | 97920 KB |