#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
int main() {
    // 1. 定义并初始化数组a为1-10的整数
    int a[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
 
    // 2. 输出初始数组（若需要）
    printf("初始数组：");
    for(int i=0;i<10;i++){
        printf("%d ",a[i]);
    }
    printf("\n");
 
    // 3. 随机打乱数组（修正原代码逻辑）
    srand((unsigned int)time(NULL)); // 只需要初始化一次随机种子
    for(int i=9;i>0;i--){
        int j = rand() % (i + 1); // 生成0~i的随机索引，确保范围正确
        int temp = a[i];
        a[i] = a[j];
        a[j] = temp;
    }
 
    // 4. 输出打乱后的数组
    printf("打乱后数组：");
    for(int i=0;i<10;i++){
        printf("%d ",a[i]);
    }
    printf("\n");
 
    return 0;
}

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