Submission #1078899

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1078899	2024-08-28 07:53:37	UmairAhmadMirza	Carnival Tickets (IOI20_tickets)	C++17	27 / 100	539 ms	68028 KiB

tickets

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
int const N=1505;
bool od[N];
bool temp[N];
void allocate_tickets(vector<vector<int>> _x);
ll fun(ll val,vector<pair<int,int>> &pr){
  int n=pr.size();
  int lw=n/2,hg=n/2;
  ll ans=0;
  vector<pair<ll,int>> diff;
  for(int i=0;i<n;i++){
    auto [mn,mx]=pr[i];
    if(mx<=val){
      lw--;
      ans+=val-mn;
    }
    else if(mn>val){
      hg--;
      ans+=mx-val;
      temp[i]=1;
    }
    else{
      ans+=min(mx-val,val-mn);
      diff.push_back({abs((mx-val)-(val-mn)),i});
    }
  }
  if(hg<0 || lw<0 || hg+lw!=diff.size())
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

tickets.cpp: In function 'long long int fun(long long int, std::vector<std::pair<int, int> >&)':
tickets.cpp:30:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  if(hg<0 || lw<0 || hg+lw!=diff.size())
      |                     ~~~~~^~~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 16 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10