编辑代码

#include <stdio.h>

void countingSort(int arr[], int n) {
    int max = arr[0];
    for (int i = 1; i < n; i++) {
        if (arr[i] > max)
            max = arr[i];
    }

    int count[max + 1];
    int output[n];

    for (int i = 0; i <= max; i++) {
        count[i] = 0;
    }

    for (int i = 0; i < n; i++) {
        count[arr[i]]++;
    }

    for (int i = 1; i <= max; i++) {
        count[i] += count[i - 1];
    }

    for (int i = n - 1; i >= 0; i--) {
        output[count[arr[i]] - 1] = arr[i];
        count[arr[i]]--;
    }

    for (int i = 0; i < n; i++) {
        arr[i] = output[i];
    }
}

int main() {
    int arr[] = {52,9,76,16,25,18,4,98};
    int n = sizeof(arr) / sizeof(arr[0]);

    countingSort(arr, n);

    printf("排序后的数组: ");
    for (int i = 0; i < n; i++) {
        printf("%d ", arr[i]);
    }
    printf("\n");

    return 0;
}