task1:
int main(){printf(" o o\n");printf(" <H> <H>\n ");printf("I I I I\n");return 0;}
task2:
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;
}
task3:
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;
}
回答问题:中间的getchar防止下面的ans2输入的数据出现问题。
task4:
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;
}
task5:
int main(){int year;int s=365*24*3600;year=(int)(1000000000.0/s+0.5);printf("10亿秒约等于%d年\n", year);return 0;
}
task6:
#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;}
task7:
int main(){double f ,c;while(scanf("%lf",&c)!=EOF){f=9.0/5*c+32;printf("摄氏度c=%lf时,华氏度f=%.2f",c,f);printf("\n");}return 0;
}
task8:
#include<math.h>
int main(){double a,b,c;double p,s;while(scanf("%lf%lf%lf",&a,&b,&c)!=EOF){p=(a+b+c)/2;s=sqrt(p*(p-a)*(p-b)*(p-c));printf("a=%.0f,b=%.0f,c=%.0f,s=%.3f",a,b,c,s);}return 0;
}