Cod sursa(job #2355766)

Utilizator denmirceaBrasoveanu Mircea denmircea Data 26 februarie 2019 12:10:06
Problema A+B Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.39 kb
#include <iostream>
#include <fstream>
#include <algorithm>
#include <queue>
using namespace std;
ifstream fin("permutari3.in");
ofstream fout("permutari3.out");
int n,t[100004],i,st,dr,nr,x,pozact;
int main(){
fin>>n;
for(i=1;i<=n;i++){
fin>>x;
t[x]=i;
}
st=t[1];
dr=t[1];
nr=1;
for(i=2;i<=n;i++){
 pozact=t[i];
    st=min(st,pozact);
    dr=max(dr,pozact);
    if(dr-st+1==i)
    nr++;
}
fout<<nr;
}