Nu aveti permisiuni pentru a descarca fisierul grader_test1.ok
Cod sursa(job #1299905)
| Utilizator | Data | 23 decembrie 2014 22:13:13 | |
|---|---|---|---|
| Problema | Radix Sort | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.98 kb |
#include <fstream>
#include <iostream>
#include <cstring>
using namespace std;
ifstream f("radixsort.in");
ofstream g("radixsort.out");
const int NMAX = 10000005;
const int BASE = (1<<8);
unsigned int v[NMAX], N, backup[NMAX], counter[BASE], poz[BASE];
int main()
{
f>>N;
int A,B,C;
f>>A>>B>>C;
int i,j,k;
v[1]=B;
unsigned int bestN = v[1];
for(i=2;i<=N;i++)
{
v[i]=(1LL*A*v[i-1]+B)%C;
}
for(int shift=0; shift<=24; shift+=8 )
{
memset(counter,0,sizeof(counter));
for(i=1;i<=N;i++)
{
counter[(v[i]>>shift) & (BASE-1)]++;
backup[i]=v[i];
}
for(poz[0]=1,i=1;i<BASE;i++) //poz[0]=1 da sens vect
poz[i]=poz[i-1]+counter[i-1];
for(i=1;i<=N;i++)
{
v[poz[(backup[i]>>shift) & (BASE-1)]]=backup[i];
poz[(backup[i]>>shift) & (BASE-1)]++;
}
}
for(i=1;i<=N;i+=10)
g<<v[i]<<' ';
}