Submission #319661

#	Time	Username	Problem	Language	Result	Execution time	Memory
319661		ignaciocanta	Baloni (COCI15_baloni)	C++14	100 / 100	218 ms	8036 KiB

baloni

#include <bits/stdc++.h>

using namespace std;

#define forsn(i, s, n) for(int i=s;i<int(n);i++)
#define forn(i, n) forsn(i, 0, n)
#define all(v) v.begin(), v.end()
#define NACHO ios_base::sync_with_stdio(0);cin.tie(NULL);

typedef long long tint;

int main(){
   int n; cin >> n;
   vector<int> a (n);
   forn(i, n) cin >> a[i];
   vector<int> visited (1000002, 0);
   vector<bool> tiene (n, 0);
   forn(i, n){
       visited[a[i]]++;
       if(visited[a[i]+1]){ tiene[i] = 1; visited[a[i]+1]--;}
   }
   int cont = 0;
   forn(i, n){
       if(tiene[i] == 0) cont++;
   }
   cout << cont << "\n";
}

• Subtask 1: 100 / 100