#include <stdio.h>
#include <stdlib.h>
void countingSort(int array[], int size) {
int min = array[0];
int max = array[0];
for (int i = 1; i < size; i++) {
if (array[i] < min) {
min = array[i];
}
if (array[i] > max) {
max = array[i];
}
}
int count_size = max - min + 1;
int *count = (int *)malloc(count_size * sizeof(int));
for (int i = 0; i < count_size; i++) {
count[i] = 0;
}
for (int i = 0; i < size; i++) {
count[array[i] - min]++;
}
int index = 0;
for (int i = 0; i < count_size; i++) {
while (count[i] > 0) {
array[index++] = i + min;
count[i]--;
}
}
free(count);
}
int main() {
int array[] = {4, 2, 2, 8, 3, 3, 1};
int size = sizeof(array) / sizeof(array[0]);
printf("原数组: ");
for (int i = 0; i < size; i++) {
printf("%d ", array[i]);
}
countingSort(array, size);
printf("\n");
printf("排序后的数组: ");
for (int i = 0; i < size; i++) {
printf("%d ", array[i]);
}
return 0;
}