实验1 c语言

#include #include int main() { printf(" o \n"); printf("\n"); printf("I I\n"); printf(" o \n"); printf("\n"); printf("I I\n"); system("pause"); return 0; }

 

#include <stdio.h>
#include <stdlib.h>
 int main() {
     printf(" o \n");
     printf("<H>\n");
     printf("I I\n");
     printf(" o \n");
     printf("<H>\n");
     printf("I I\n");

     system("pause");

     return 0;
 }

#include <stdio.h>
 int main()
 {
         printf(" o");
         printf(" o\n");
         printf("<H>");
         printf("<H>\n");
         printf("I I");
         printf("I I\n");


     return 0;

     }

#include <stdio.h>
int main()
{
      double a,b,c;
      scanf_s("%lf%lf%lf", &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;

}

 

#include <stdio.h>
int main()
{
    char ans1, ans2;     
　　 printf("每次课前认真预习、课后及时复习了没? (输入y或Y表示有，输入n或N表示没有) :  ");
    ans1 = getchar();    
　  getchar(); 
    printf("\n动手敲代码实践了没? (输入y或Y表示敲了，输入n或N表示木有敲) :  ");
    ans2 = getchar();
    if ((ans1=="y"||ans1=="Y")&&(ans2=="y"||ans2=="Y"))
        printf("\n罗马不是一天建成的, 继续保持哦:)\n");
    else
        printf("\n罗马不是一天毁灭的, 我们来建设吧\n");
    return 0;
}

 

#include<stdio.h>
int main()
{
    double x, y;
    char c1, c2, c3;
    int a1, a2, a3;

    scanf_s("%d%d%d", &a1, &a2, &a3);
    printf("a1 = %d, a2 = %d, a3 = %d\n", a1, a2, a3);

    scanf_s("%c%c%c", &c1, &c2, &c3);
    printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3);

    scanf_s("%lf,%lf", &x, &y);
    printf("x = %f, y = %lf\n", x, y);
    return 0;
}

 

#include<stdio.h>

int main()
{
    int year;
    year = 1000000000 / (365 * 24 * 60 * 60);
    printf("10亿秒约等于%d年\n", year);
    return 0;
}

 

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

int main()
{
    double x, ans;

    while (scanf_s("%1f", &x) != EOF)
    {
        ans = pow(x, 365);
        printf("%.2f的365次方: %.2f\n", x, ans);
        printf("\n");
    }
    return 0;
}

 

#include <stdio.h>
int main()
{
    double C, F;

    while (scanf_s("%lf", &C) != EOF)
    {
        F = 9.0 / 5 * C + 32;
        printf("摄氏度c=%lf时，华氏度f=%lf", C, F);
        printf("\n");
    }

    return 0;
}

 

include <stdio.h>
#include <math.h>
int main()
{
    int a, b, c;
    double area, p;
    while (scanf_s("%d %d %d", &a, &b, &c) != EOF)
    {
        p = (a + b + c) / 2;
        area = sqrt(p * (p - a) * (p - b) * (p - c));
        printf("a=%d,b=%d,c=%d,area=%.3lf", a, b, c, area);
        printf("\n");
    }
    return 0;
}