实验一-JZTXT

任务1 打印一个字符小人

#include<stdio.h>
int main()
{
    printf(" O       O\n");
    printf("<H>     <H>\n");
    printf("I I     I I\n");
    return 0;
}

任务2 判断能否构成三角形

#include<stdio.h>
int main()
{
    float a, b, c;
    scanf_s("%f%f%f", &a, &b, &c);
    if (a + b > c && a + c > b && b + c > a)

        printf("能构成三角形\n");

    else
        printf("不能构成三角形\n");
    return 0;
}

任务3

#include<stdio.h>
int main()
{
    char answer1, answer2;
    printf("每次课前认真预习，课后认真复习了没？（回答y或n）");
    answer1 = getchar();
    getchar();
    printf("\n动手敲代码实践了没？（回答y或n）");
    answer2 = getchar();
    if (answer1 =='y' && answer2 == 'y')
        printf("牛批小伙汁！");
    else
        printf("你想让罗马毁灭吗");
    return 0;
}

任务4

#include<stdio.h>

int main()
{
 double x, y;
 char c1, c2, c3;
 int a1, a2, a3;
 scanf("%d %d %d", &a1, &a2, &a3);
 printf("a1 = %d, a2 = %d, a3 = %d\n", a1,a2,a3);
 
 scanf("%c%c%c", &c1, &c2, &c3);
 printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3);
 
 scanf("%lf,%lf", &x, &y);
 printf("x = %f, y = %lf\n",x, y);
 return 0;
}

任务5

#include <stdio.h>

int main() 
{
    int year1,year2;
    float nuw;
    
    int second=1000000000;
    
    year1=second/(3600*24*365);
    
    nuw=second/(3600*24*365);
    
    if(nuw<0.5)
      printf("10ÒÚÃëÔ¼µÈÓÚ%dÄê\n", year1);
    else
    {
        year2=year1+1;
        printf("10ÒÚÃëÔ¼µÈÓÚ%dÄê\n", year2);
    }
    return 0;
}

任务6

#include <stdio.h>
#include <math.h>

int main()
{
    double x, ans;

    while(scanf("%lf",&x) != EOF)
    {ans = pow(x, 365);
    printf("%.2f的365次方：%.2f\n", x, ans);
    printf("\n")
    }



       return 0;
}

任务7

#include <stdio.h>
int main() 
{
    printf("请输入摄氏度，我将它转化为华氏度\n");
    double C,F;
    while (scanf("%lf",&C))
    {
        F = 9*C/5+32;
        printf("摄氏度C=%.2lf时，华氏度F=%.2lf\n",C,F);
    }
    return 0;
}

任务8

#include<stdio.h>
#include<math.h>
int main()

{
   int a,b,c;
   float area,s;
  
  scanf("%d%d%d",&a,&b,&c);
  s=(a+b+c)/2;
  area=sqrt(s*(s+a)*(s+b)*(s+c));
  
  printf("a=%d,b=%d,c=%d,area=%.3lf",a,b,c,area);
    return 0;