c语言程序，产生随机整数，保存在文件中，计算最大最小值

编写C语言程序，产生100个0到100的随机整数，并保存在名为in.txt的文本文件中，编制一个程序从in.txt中读出这100个整数，计算其最大值，最小值并显示出来，同时将它们保存在文件out.txt中。

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main() {
    int i, num, max, min;
    FILE *in_file, *out_file;

    // 产生随机数并写入文件
    srand(time(NULL));
    in_file = fopen("in.txt", "w");
    for (i = 0; i < 100; i++) {
        num = rand() % 101;
        fprintf(in_file, "%d ", num);
    }
    fclose(in_file);

    // 读取文件并计算最大值和最小值
    in_file = fopen("in.txt", "r");
    fscanf(in_file, "%d", &num);
    max = min = num;
    while (!feof(in_file)) {
        if (num > max) {
            max = num;
        }
        if (num < min) {
            min = num;
        }
        fscanf(in_file, "%d", &num);
    }
    fclose(in_file);

    // 输出结果并写入文件
    printf("最大值：%d\n", max);
    printf("最小值：%d\n", min);
    out_file = fopen("out.txt", "w");
    fprintf(out_file, "最大值：%d\n", max);
    fprintf(out_file, "最小值：%d\n", min);
    fclose(out_file);

    return 0;
}

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main() {
    const int COUNT = 100;
    const int MIN = 0;
    const int MAX = 100;

    // 产生随机数种子
    srand(time(NULL));

    // 产生随机整数并保存到文件
    FILE *inFile = fopen("in.txt", "w");
    for (int i = 0; i < COUNT; i++) {
        int num = rand() % (MAX - MIN + 1) + MIN;
        fprintf(inFile, "%d ", num);
    }
    fclose(inFile);

    // 读取文件并计算最大值和最小值
    FILE *outFile = fopen("out.txt", "w");
    int max = MIN - 1, min = MAX + 1;
    inFile = fopen("in.txt", "r");
    for (int i = 0; i < COUNT; i++) {
        int num;
        fscanf(inFile, "%d", &num);
        if (num > max) {
            max = num;
        }
        if (num < min) {
            min = num;
        }
    }
    fprintf(outFile, "Max: %d\nMin: %d", max, min);
    fclose(inFile);
    fclose(outFile);

    printf("Max: %d\nMin: %d", max, min);
    return 0;
}

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

void in()
{
    FILE *fw = fopen("in.txt", "w");
    for (int i = 0; i < 100; ++i)
    {
        int num = rand() % 101;
        fprintf(fw, "%d\n", num);
    }
    fclose(fw);
}

void out()
{
    FILE *fr = fopen("in.txt", "r");
    int min = 100, max = 0;
    for (int i = 0; i < 100; ++i)
    {
        int num;
        fscanf(fr, "%d", &num);
        if (num > max) max = num;
        if (num < min) min = num;
    }
    fclose(fr);

    FILE *fw = fopen("out.txt", "w");
    const char *str = "最大值: %d\n最小值: %d";
    printf(str, max, min);
    fprintf(fw, str, max, min);
    fclose(fw);
}

int main()
{
    srand((unsigned)time(NULL));
    in();
    out();
    return 0;
}