Pagini recente » Cod sursa (job #2795686) | Cod sursa (job #364403) | Cod sursa (job #2067126) | Cod sursa (job #1101483) | Cod sursa (job #1883470)
#include<cstdio>
#include<ctime>
#include<algorithm>
using namespace std;
int N, myArray[1 << 19];
int Partition(int sequence[], int i, int j){
int index, pivot; i--; j++;
index = i + rand() % (j - i + 1);
pivot = sequence[index];
while(1){
do{++i;}while(sequence[i] < pivot);
do{--j;}while(sequence[j] > pivot);
if(i < j){
swap(sequence[i], sequence[j]);
}else return j;
}
}
void QuickSort(int sequence[], int left, int right){
if(left < right){
int split = Partition(sequence, left, right);
QuickSort(sequence, left, split);if(split + 1 == N) return;
QuickSort(sequence, split + 1, right);
}
}
int main() {
freopen("algsort.in", "r", stdin);
freopen("algsort.out", "w", stdout);
scanf("%d", &N);
for(int i = 0; i < N; i++){
scanf("%d", &myArray[i]);
}srand(time(NULL));
QuickSort(myArray, 0, N-1);
for(int i = 0; i < N; i++){
printf("%d ", myArray[i]);
}
return 0;
}