实验1
#include<studio.h> int main() {printf(" O \n");printf("<H>\n");printf("I I\n");return 0; }
实验2
1 #include<stdio.h> 2 int main() 3 { 4 double a, b, c; 5 scanf("%lf%lf%lf",&a, &b, &c); 6 7 if(a+b>c&&a+c>b&&b+c>a) 8 printf("能构成三角形\n"); 9 else 10 printf("不能构成三角形\n"); 11 12 return 0; 13 }
实验3
1 #include <stdio.h> 2 int main() 3 { 4 char ans1, ans2; 5 6 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) : "); 7 ans1 = getchar(); 8 getchar(); 9 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):"); 10 ans2 = getchar(); 11 if((ans1== 'y' ||ans1== 'Y' ) && (ans2== 'n' ||ans2== 'N' )) 12 printf("\n罗马不是一天建成的,继续保持哦:)\n");
13 else 14 printf("\n罗马不是一天毁灭的,我们来建设吧\n"); 15 16 return 0; 17 }
实验4
1 #include<stdio.h> 2 int main() 3 { 4 double x, y; 5 char c1, c2, c3; 6 int a1, a2, a3; 7 8 scanf("%d%d%d", &a1, &a2, &a3); 9 printf("a1 = %d, a2 = %d, a3 = %d\n", a1, a2, a3); 10 11 scanf("%c%c%c", &c1, &c2, &c3); 12 printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3); 13 14 scanf("%lf,%lf", &x, &y); 15 printf("x = %f, y = %f\n", x, y); 16 17 return 0; 18 }
实验5
1 #include<stdio.h> 2 int main() 3 { 4 int year; 5 int seconds = 1000000000; 6 int seconds_per_minute = 60; 7 int minutes_per_hour = 60; 8 int hours_per_day = 24; 9 int days_per_year = 365; 10 11 double total_years = (double)seconds / (seconds_per_minute * minutes_per_hour * hours_per_day * days_per_year); 12 year = (int)(total_years + 0.5); 13 printf("10亿秒约等于%d年\n", year); 14 return 0; 15 }
实验6
1 #include<stdio.h> 2 #include<math.h> 3 int main() 4 { 5 double x, ans; 6 7 scanf("%lf", &x); 8 ans = pow(x, 365); 9 printf("%.2f的365次方:%.2f\n", x, ans); 10 11 return 0; 12 13 }
1 #include<stdio.h> 2 #include<math.h> 3 int main() 4 { 5 double x, ans; 6 7 while(scanf("%lf", &x) !=EOF) 8 { 9 ans = pow(x, 365); 10 printf("%.2f的365次方:%.2f\n", x, ans); 11 printf("\n"); 12 13 } 14 15 return 0; 16 17 }
实验7
1 #include <stdio.h> 2 3 int main() 4 { 5 double celsius, fahrenheit; 6 int count; 7 8 printf("请输入要转换的温度组数:"); 9 scanf("%d", &count); 10 11 printf("开始输入%d组摄氏度温度:\n", count); 12 int i; 13 for (i = 1; i <= count; i++) 14 { 15 printf("请输入第%d组摄氏度温度:", i); 16 scanf("%lf", &celsius); 17 18 fahrenheit = (9.0 / 5.0) * celsius + 32; 19 20 printf("摄氏度:%.2f°C -> 华氏度:%.2f°F\n\n", celsius, fahrenheit); 21 } 22 23 printf("温度转换完成!\n"); 24 return 0; 25 }
实验8
1 #include <stdio.h> 2 #include <math.h> 3 4 int main() 5 { 6 double a, b, c, s, area; 7 int count; 8 9 printf("请输入要计算的三角形组数:"); 10 scanf("%d", &count); 11 12 printf("开始输入%d组三角形三边边长:\n", count); 13 int i; 14 for(i = 1; i <= count; i++) { 15 printf("请输入第%d组三角形的三边(a b c):", i); 16 scanf("%lf %lf %lf", &a, &b, &c); 17 18 s = (a + b + c) / 2.0; 19 20 area = sqrt(s * (s - a) * (s - b) * (s - c)); 21 22 printf("a = %.0f, b = %.0f, c = %.0f, area = %.3f\n\n", a, b, c, area); 23 } 24 25 printf("三角形面积计算完成!\n"); 26 return 0; 27 }