实验1
实验任务1:
#include <stdio.h> int main() { printf(" O \n"); printf("<H>\n"); printf("I I\n"); printf(" O \n"); printf("<H>\n"); printf("I I\n"); return 0; }

1 #include <stdio.h> 2 int main() 3 { 4 printf(" O O \n"); 5 printf("<H> <H> \n"); 6 printf("I I I I\n"); 7 return 0; 8 }
任务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&&b+c>a&&a+c>b) 8 printf("能构成三角形\n"); 9 else 10 printf("不能构成三角形\n"); 11 return 0; 12 }
任务3:
1 include <stdio.h> 2 int main() 3 { 4 char ans1, ans2; 5 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):"); 6 ans1 = getchar(); 7 getchar(); 8 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表示没有敲):"); 9 ans2 = getchar(); 10 if ((ans1 == 'y' || ans1 == 'Y') && (ans2 == 'y' || ans2 == 'Y')) 11 printf("\n罗马不是一天建成的,继续保持哦~ \n"); 12 else 13 printf("\n罗马不是一天毁灭的,我们来建设吧 \n"); 14 return 0; 15 }
任务4:
1 #define _CRT_SECURE_NO_WARNINGS 2 #include <stdio.h> 3 int main() 4 { 5 double x, y; 6 char c1, c2, c3; 7 int a1, a2, a3; 8 9 scanf("%d%d%d", &a1, &a2, &a3); 10 printf("a1 = %d, a2 = %d, a3 = %d\n", a1, a2, a3); 11 12 scanf("%c%c%c", &c1, &c2, &c3); 13 printf("c1 = %c, c2 = %c, c3 = %c\n", c1, c2, c3); 14 15 scanf("%lf%lf", &x, &y); 16 printf("x = %f, y = %lf\n", x, y); 17 18 return 0; 19 }
任务5
#include <stdio.h> int main() { int year; double x = 1000000000 / 60 / 60 / 24 / 365; year = x + 0.5; printf("10亿秒约等于%d年\n", year); return 0; }
任务6:
#include <stdio.h> #include <math.h> int main() { double x, ans; while (scanf_s("%lf",&x)!=EOF) { ans = pow(x, 365); printf("%.2f的365次方:%.2f\n", x, ans); printf("\n"); } return 0; }
任务7:
#define _CRT_SECURE_NO_WARNINGS #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 = %.2f时,华氏度f = %.2f\n", C, F); printf("\n"); } return 0; }
任务8:
#include <stdio.h> #include <math.h> int main() { int a, b, c; double s,area; while (scanf_s("%d %d %d", &a,&b,&c) != EOF) { s = (double)(a + b + c) / 2; area = sqrt(s * (s - a) * (s - b) * (s - c)); printf("a = %d,b = %d,c = %d,area = %.3f",a,b,c,area); printf("\n"); } return 0; }