一
#include<stdio.h>
#include<stdlib.h>
int main()
{
int mm,dd,yyyy;
printf("Enter a date (mm/dd/yyyy):");
scanf("%d/%d/%d",&mm,&dd,&yyyy);
printf("You enter the date %d%.2d%d\n",yyyy,mm,dd);
system("pause");
return 0;
}
二
#include<stdio.h>
#include<stdlib.h>
int main(){
int number,mm,dd,yy;
float price;
printf("Enter item number:");
scanf("%d",&number);
printf("Enter nuit price:");
scanf("%f",&price);
printf("Enter purchase date (mm/dd/yy)");
scanf("%d/%d/%d",&mm,&dd,&yy);
printf("Item\tunit Price\tPurchase Date\n");
printf("%d\t$%4.2f\t\t%-.2d/%.2d/%d\n",number,price,mm,dd,yy);
system("pause");
return 0;
}
三
#include<stdio.h>
#include<stdlib.h>
int main(){
int gsi,group,publisher,item,check;
printf("Enter ISBN:");
scanf("%d-%d-%d-%d-%d",&gsi,&group,&publisher,&item,&check);
printf("GSI Perdix:%d\n",gsi);
printf("Group identifier:%d\n",group);
printf("Publisher code:%d\n",publisher);
printf("Item number:%d\n",item);
printf("Check code:%d\n",check);
system("pause");
return 0;
}
四
#include<stdio.h>
#include<stdlib.h>
int main(){
int number1,number2,number3;
printf("Enter phone number[(xxx)xxx-xxxx]:");
scanf("(%d)%d-%d",&number1,&number2,&number3);
printf("You entered:%.3d.%.3d.%.4d\n",number1,number2,number3);
system("pause");
return 0;
}