实验1
#include <stdio.h>
int main()
{
printf(" O\n");
printf("<H>\n");
printf("I I");
return 0;
}
#include <stdio.h>
int main()
{
printf(" O\t O\n");
printf("<H>\t<H>\n");
printf("I I\tI I");
return 0;
}
实验2
#include <stdio.h>
int main()
{
double a, b, c;
scanf("%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;
}
实验3
#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表示有,输入n或N表示没有): ");
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;
}
实验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=%lf,y=%lf\n", x,y);
return 0;
}
实验5
#include <stdio.h>
int main()
{
int year=1;
while (year * 60*60*24*365 <= 1000000000)
{
year++;
}
year = year + 0.5;
printf("10亿秒约等于%d年\n", year);
return 0;
}
实验6
#include <stdio.h>
#include <math.h>
int main()
{
double x, ans;
while(scanf("%lf", &x)!=EOF)
{
ans = pow(x, 365);
printf("%.2lf的365次方:%.2lf\n", x, ans);
}
return 0;
}
实验7
#include <stdio.h>
#include <math.h>
int main()
{
double F, C;
while (scanf("%lf", &C) != EOF)
{
F = 9 * C / 5 + 32;
printf("摄氏度C=%.2lf时,华氏度F=%.2lf\n", C, F);
}
return 0;
}
实验8
#include <stdio.h>
#include <math.h>
int main()
{
int a, b, c;
double s, area;
while (scanf("%d %d %d", &a, &b, &c) != EOF)
{
s = (a + b + c) / 2.0;
area = sqrt(s * (s - a) * (s - b) * (s - c));
printf("a=%d,b=%d,c=%d,area=%.3lf\n", a, b, c, area);
}
return 0;
}