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Cod sursa(job #974462)
#include <stdio.h>
#include <math.h>
#include <iostream>
#include <string.h>
#include <stdlib.h>
#define NMax 500000
#define INF 100000000000000000LL
int n;
int v[NMax];
int Divide(int li, int ls)
{
int st = li, dr = ls, x = v[li];
while (st < dr)
{
while (st < dr && x <= v[dr])
dr--;
v[st] = v[dr];
while (st < dr && x >= v[st])
st++;
v[dr] = v[st];
}
v[st] = x;
return st;
}
void quickSort(int li, int ls)
{
int m = Divide(li, ls);
if (m - 1 > li)
quickSort(li, m-1);
if (m + 1 < ls)
quickSort(m+1, ls);
}
int compare (const void * a, const void * b)
{
return ( *(int*)a - *(int*)b );
}
int main()
{
FILE *f = fopen("admitere.txt", "r");
FILE *g = fopen("bla.txt", "w");
fscanf(f, "%d", &n);
for (int i=1; i<=n; i++)
fscanf(f, "%d", &v[i]);
qsort(v+1, n, sizeof(int), compare);
for (int i=1; i<=n; i++)
fprintf(g, "%d ", v[i]);
fclose(f); fclose(g);
return 0;
}