Submission #260153

#	Time	Username	Problem	Language	Result	Execution time	Memory
260153		sckmd	Baloni (COCI15_baloni)	C++14	0 / 100	81 ms	131076 KiB

baloni

#include <bits/stdc++.h>

using namespace std;
#define MAXN 1000005
queue <int> ids[MAXN];

void go(int height,int prev)
{
  if(!ids[height].size())return ;
  int idx = ids[height].front();
  if(idx < prev)return ;
  ids[height].pop();
  go(height-1,idx);
}

int solve()
{
  int ans = 0;
  for(int height = MAXN-1; height > 0;)
  {
    if(!ids[height].size()){height--;continue;}
    go(height,-1);
    ans++;
  }
  return ans;
}

int main()
{
  ios_base::sync_with_stdio(false);
  int n;
  cin >> n;
  for(int i = 1; i <= n; i++)
  {
    int h;
    cin >> h;
    ids[h].push(i);
  }
  cout << solve();
  return 0;
}

• Subtask 1: 0 / 100