Submission #153876

#TimeUsernameProblemLanguageResultExecution timeMemory
153876nicolaalexandraBaloni (COCI15_baloni)C++14
100 / 100
330 ms452 KiB
#include <iostream>

using namespace std;

int n,i,j,x,sol;
int f[1000010];
int main (){

    cin>>n;
    for (i=1;i<=n;i++){
        cin>>x;
        if (f[x+1]){
            f[x+1]--;
            f[x]++;
        } else {
            sol++;
            f[x]++;
        }}
    cout<<sol;

    return 0;
}
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