第三次实验

#include <stdio.h>
int main() {
    int number, max, min, n;

    n = 1;
    printf("输入第%d个数: ", n);
    scanf_s("%d", &number);

    max = number;
    min = number;

    while (n<5) {
        n++;
        printf("输入第%d个数: ", n);
        scanf_s("%d", &number);

        if (number>max)
            max = number;
        else if (number<min)
            min = number;
    }

    printf("最大数为: %d\n", max);
    printf("最小数为: %d\n", min);

    return 0;
}

int main()
{
    int k = 0, i, n;
    for (n = 101; n <= 200; n++)
    {
        for (i = 2; i <= n; i++)
        {
            if (n%i == 0)
                break;
        }
        if (i == n)
        {
            k++;
            printf(" %d ", n);
        }
    }
    printf("\n101~200之间共有%d个素数", k);
    return 0;
}

#include<stdio.h>
const int N = 5;
int main()
{
    int line, col;
    for (line = 1; line <= N; line++) {
        for (col = N - line; col > 0; col--)
        {
            printf(" ");
        }
        for (col = 1; col <= 2 * line - 1; col++)
        {
            printf("*");
        }
        printf("\n");
    }
    return 0;
}