IA Aranjarea damelor

#include<iostream>
#include<conio.h>
#include<iomanip>
#include<time.h>
#include<stdlib.h>
#define N 8

using namespace std;

int evaluare(  int permutare[]){
   int erori=0;
    for(int i=1; i<N-1; i++){
        for(int j=i+1;j<N; j++){
            if(abs(permutare[i]-permutare[j])==abs(i-j))
                erori++;
        }
    }
    return erori;
}

int main(){
    int elemente[N], permutare[N], perm[N];
     srand(time(0));
     int gasit=0;
     while(gasit==0){
    for(int i=0; i<N;i++){
        elemente[i]=i+1;
    }
    int lungime=N, contor=0;
    while(lungime>0){
        int poz=rand()%lungime;
        permutare[contor++]=elemente[poz];
        for(int i=poz; i<lungime-1; i++)
            elemente[i]=elemente[i+1];
            lungime--;
    }
for (int i = 0; i < N; i++)
    cout<<permutare[i] <<"   ";
cout<<endl;
cout<<evaluare(permutare) <<" ";
cout<<endl;

for(int k=0;(gasit==0 && k<100); k++){

for(int i=0; i<N; i++){//perm[N] este copia
    perm[i]=permutare[i];
    //cout<<perm[i]<<"   ";

}

    int x=rand()%N;
    int y=rand()%N;
    while(x==y)
        y=rand()%N;
    int temp=perm[x];
    perm[x]=perm[y];
    perm[y]=temp;

for(int i=0; i<N; i++)
    cout<<permutare[i]<<"   ";
cout<<endl;
cout<<evaluare(permutare) <<" ";
cout<<endl;

if(evaluare(perm)<evaluare(permutare))
    for(int i=0; i<N; i++)
        permutare[i]=perm[i];

  if(evaluare(permutare)==0)
    gasit=1;
}

     }

for(int i=0; i<N; i++)
    cout<<permutare[i]<<"   ";
cout<<endl;
cout<<evaluare(permutare) <<" ";
cout<<endl;

return 0;
}