#include <stdio.h>
#define N 6
int
mojiretu_equal_check(char a[], char b[], int n)
{
int i;
for (i = 0; i < n; i++)
if (a[i] != b[i])
break;
return i == n;
}
int
main(void)
{
char id[N][6] = {"10001", "10002", "20001", "20002", "20003", "40004"};
char pw[N][6] = {"1122", "9521", "5588", "0428", "3618", "0777"};
char s[10];
int i, zan[N] = {0, 50000, 100, 300, 20000, 8000};
printf("id = ");
scanf("%s", s);
for (i = 0; i < N; i++)
if (mojiretu_equal_check(s, id[i], N))
break;
if (i == N) {
printf("IDが違う\n");
return 0;
}
printf("password = ");
scanf("%s", s);
if (mojiretu_equal_check(s, pw[i], N))
printf("zankin = %d\n", zan[i]);
else
printf("パスワードが違う\n");
return 0;
}