Cod sursa(job #1785887)

Utilizator whoiscrisCristian Plop whoiscris Data 22 octombrie 2016 04:18:51
Problema Radix Sort Scor 30
Compilator cpp Status done
Runda Arhiva educationala Marime 2.33 kb
#include <map>
#include <set>
#include <list>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <string>
#include <bitset>
#include <cstdio>
#include <limits>
#include <vector>
#include <climits>
#include <cstring>
#include <cstdlib>
#include <fstream>
#include <numeric>
#include <sstream>
#include <iostream>
#include <algorithm>
#include <unordered_map>
#include <bitset>
#include <utility>

#define rep(i,a,b) for(int i=int(a); i<=int(b); ++i)
#define rev(i,b,a) for(int i=int(b); i>=int(a); --i)
#define rec(i,a,b,c) for(int i=int(a); i<=int(b); i+=int(c))
#define recv(i,a,b,c) for(int i=int(a); i>=int(b); i-=int(c))
#define mp(x,y) make_pair((x),(y))
#define pb(x) push_back(x)
#define all(c) c.begin(), c.end()
#define tr(container, it) for(auto it=(container).begin(); it != (container).end(); ++it)
#define sqr(x) ((x)*(x))
#define sz(a) int((a).size())
#define mod(a,n) ((a) < 0 ? ((n)+(a)) : ((a)%(n)))
#define mout(M,n,m) rep(i,0,(n)-1){ rep(j,0,(m)-1) cout << (M)[i][j] << " ";  cout << "\n"; }
#define vout(A,l,r) rep(i,l,r) cout << A[i] << " ";
using namespace std;

#define INF_ULL ULLONG_MAX
#define INF_LL  LLONG_MAX
#define NINF_LL LLONG_MIN
#define INF_L   LONG_MAX
#define NINF_L   LONG_MIN
#define INF_U   UINT_MAX
#define INF     INT_MAX
#define NINF     INT_MIN

typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long long ll;

int main(){

  freopen("radixsort.in", "r", stdin);
  //freopen("test.in", "r", stdin);
  //freopen("grader_test2.in", "r", stdin);
  freopen("radixsort.out", "w", stdout);

  int N,A,B,C;
  cin >> N >> A >> B >> C;
  vector<ll> V(N);
  V[0] = B;
  rep(i,1,N-1)
    V[i] = (A*V[i-1] + B) % C;

  /*
  cin >> N;
  vector<unsigned int> V(N);
  for(int i=0; i<N; ++i)
    cin >> V[i];
  */

  ll ord = 0;
  ll pw = 1;
  int ct=0;
  while(ct++ < 4){
    vector<vector<ll> > buckets(256, vector<ll>());
    for(int i=0; i<V.size(); ++i){
      ll idx = (V[i] & (255 << ord))/pw;
      //cout << "idx:" << idx << endl;
      buckets[idx].push_back(V[i]);
    }
    int k=0;
    for(int i=0; i<buckets.size(); ++i)
      for(int j=0; j<buckets[i].size(); ++j){
        V[k] = buckets[i][j];
        k++;
        //cout << "k:" << k << endl;
      }
    ord += 8;
    pw *= 256;
  }

  for(int i=0; i<N; i+=10)
    cout << V[i] << " ";
  cout << "\n";

  return 0;
}