C-银行卡信息管理系统

#include
#include
char cardnos[100][20];
char names[100][50];
char pwds[100][16];
double balances[100];
int amount = 0;
int n = 0;
void createCard(){



 printf("\n***** CREATE A CARD*****\n");
 printf("card no: ");
 scanf("%s", &cardnos[amount]);
 printf("name: ") ;
 scanf("%s", &names[amount]);
 printf("pwd: ") ;
 scanf("%s", &pwds[amount]);
 printf("init balance: ") ;
 scanf("%lf", &balances[amount]);
 amount++;
 printf(" ****??created ***** \n"); 
}
void viewCards(){
 printf("\n***** VIEW ALL CARDS*****\n");
 int i;
 for(i=0;i