Submission #50706

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
50706	2018-06-13 02:46:28	edisonhello	Palembang Bridges (APIO15_bridge)	C++11	100 / 100	643 ms	10948 KiB

bridge

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#include<bits/stdc++.h>
using namespace std;
long long delta,ans=1ll<<60;
vector<pair<int,int>> a;
struct {
    multiset<int> L,R;
    long long sumL=0,sumR=0;
    long long get(){
        return sumR-1ll*R.size()*(*R.begin())+1ll*L.size()*(*R.begin())-sumL;
    }
    void meow(){
        while(L.size()>R.size()+1){
            R.insert(*--L.end());
            sumR+=*L.begin();
            sumL-=*L.begin();
            L.erase(--L.end());
        }
        while(R.size()>L.size()+1){
            L.insert(*R.begin());
            sumL+=*R.begin();
            sumR-=*R.begin();
            R.erase(R.begin());
        }
        while(L.size() && R.size() && *R.begin()<*--L.end()){
            int deltaL=*--L.end(),deltaR=*R.begin();
            sumL=sumL-deltaL+deltaR;
            sumR=sumR-deltaR+deltaL;
 
 
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:73:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=1;i<a.size();++i){
                     ~^~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 9 / 9
• Subtask 4: 32 / 32
• Subtask 5: 37 / 37