Submission #253530

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
253530	2020-07-28 07:18:55	Markoes	Potatoes and fertilizers (LMIO19_bulves)	C++14	0 / 100	3 ms	2432 KiB

bulves

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#include<bits/stdc++.h>
using namespace std;
int n,a,b[500005],c[500005],id,val;
vector<pair<int,int> > va,slv;
set<int> vb;
int main(){
  ios_base::sync_with_stdio(NULL);
  cin.tie(0);cout.tie(0);
  cin>>n;
  for(int i=1;i<=n;i++){
    cin>>b[i]>>a;
    a -= min(a,b[i]);
    b[i] -= min(a,b[i]);
    if(a>0){
      va.push_back(make_pair(i,a));
    }
    if(b[i]>0){
      vb.insert(i);
    }
  }
  memset(c,0,sizeof c);
  for(auto x : va){
    id = x.first;
    val = x.second;
    
    //cout<<id<<"-id  val-"<<val<<endl;;
    while(val>0){
      auto kanan = vb.lower_bound(id);
      //cout<<*kanan<<endl;
 
 
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