#include <stdio.h> #include <stdlib.h> int main(void) { char s; //孩子的性别 char sp; //是否喜欢体育运动 char d; //是否有良好的饮食习惯 float h; //我的身高 float fh; //父亲的身高 float mh; //母亲的身高 printf("Are you a boy(M) or a girl(F)?\n"); scanf(" %c",&s); if (!(s=='m' || s=='M' || s=='f' || s=='F')) printf("\nInput sex error!"); else { if(s=='m'||s=='M') { printf("Please input your father's height(cm):\n"); scanf(" %f",&fh); printf("Please input your mother's height(cm):\n"); scanf(" %f",&mh); h=(fh+mh)*0.54; printf("Do you like sports(Y/N)?\n"); scanf(" %c",&sp); if (!(sp=='y' || sp=='Y' || sp=='n' || sp=='N')) { printf("\nInput sports error!"); } else if (sp=='y' || sp=='Y') { h=1.02*h; } printf("Do you have a good habit of diet(Y/N)?\n"); scanf(" %c",&d); if (!(d=='y' || d=='Y' || d=='n' || d=='N')) { printf("Input diet error!\n"); } else if (d=='y' || d=='Y') { h=h*1.015; printf("Your future height will be %f(cm)\n",h); } } else { if(s=='f'||s=='F') printf("Please input your father's height(cm):\n"); scanf(" %f",&fh); printf("Please input your mother's height(cm):\n"); scanf(" %f",&mh); h=(fh*0.923+mh)/2; printf("Do you like sports(Y/N)?\n"); scanf(" %c",&sp); if (!(sp=='y' || sp=='Y' || sp=='n' || sp=='N')) { printf("\nInput sports error!"); } else if (sp=='y' || sp=='Y') { h=1.02*h; } printf("Do you have a good habit of diet(Y/N)?\n"); scanf(" %c",&d); if (!(d=='y' || d=='Y' || d=='n' || d=='N')) { printf("Input diet error!\n"); } else if (d=='y' || d=='Y') { h=h*1.015; printf("Your future height will be %f(cm)\n",h); } } } return 0; }