160809225_ Ye Hua _c Language Programming Experiment 2 Select Structure Programming _ Advanced

#include <stdio.h>#include<math.h>intmain () {inta,b,c,l,p,s; printf ("Please enter three number:"); scanf ("%d%d%d",&a,&b,&c); if(a+b>c && a-b<C) {l=a+b+c; P= (a+b+c)/2; S=sqrt (p* (p-a) * (p-b) * (p-c)); printf ("This three-edged edge can form a triangle: \ n"); printf ("the perimeter of the Triangle is: the area of the%d\n Triangle is:%d", l,s); }    Elseprintf ("This three-edged edge does not make a triangle:"); return 0;} 

#include <stdio.h>intmain () {floata,tax=0, taxincome=0; printf ("Please enter your salary:"); scanf ("%f",&a); if(a<=1455) { tax= (a-3500)*0.03-0; Taxincome=a-tax ; }    Else if(a>1455|| a<=4155) { tax= (a-3500)*0.1- the; Taxincome=a-tax ; }    Else if(a>4155|| a<=7755) { tax= (a-3500)*0.2-555; Taxincome=a-tax ; }    Else if(a<7755|| a<=27255) { tax= (a-3500)*0.25-1005; Taxincome=a-tax ; }    Else if(a>27255|| a<=41255) { tax= (a-3500)*0.3-2755; Taxincome=a-tax ; }    Else if(a>41255|| a<=57505) { tax= (a-3500)*0.35-5505; Taxincome=a-tax ; }    Else{ tax= (a-3500)*0.45-13505; Taxincome=a-tax ; } printf ("you should pay tax this month as:%f\n your post-tax income for this month is:%f\n", tax,taxincome); return 0;}

#include <stdio.h>#include<stdlib.h>#include<time.h>intmain () {intYournumber,mynumber,count=0; Charc;  do{srand (unsigned) Time (NULL)); MyNumber= (rand ()% (101-1)+1);  do{printf ("Please enter the number you are guessing:"); scanf ("%d",&yournumber); Count++; if(yournumber>mynumber) printf ("sorry you guessed it, please re-enter \ n"); Else if(yournumber<mynumber) printf ("sorry you guessed small, please re-enter \ n"); Else if(yournumber==mynumber) printf ("congratulations, you guessed it! : \ n"); Elseprintf ("your number is not valid, please re-enter: \ n"); } while(yournumber!=mynumber); printf ("you guessed it:%d times \ n", count); if(count<=3) printf ("great! You're a genius! \ n"); Else if(count>4&& count<=7) printf ("pro, do not worry, your intelligence is still normal oh! \ n"); Elseprintf ("pro, It is recommended that you do not engage in false IQ activities: \ n");1234567<em id="__mcedel"> printf ("If you still want to continue, please press y| Y, exit Please press n| N:");    Getwchar (); C=Getwchar (); System ("CLS"); }  while(c=='y'|| c=='Y'); return 0;} </em>

This assignment 11 do is the card master can not move in back to the school teacher said but after the completion of my cycle can be a little skilled control only for the other two can not be done independently in many words I did not remember that if you do not automatically come out and can't move, so remember that the basic word is the C language important link

160809225_ Ye Hua _c Language Programming Experiment 2 Select Structure Programming _ Advanced