1081 檢查密碼（C語言）

設計思路：

• 又是一道如何正确處理輸入的題目

編譯器：C (gcc)

#include <stdio.h>

int main()
{
        char c;
        int n, count, digit, alpha, notdot;

        scanf("%d", &n);
        while (getchar() != '\n')
                continue;

        while (n--) {
                count = 0; alpha = 0;
                digit = 0; notdot = 0;
                while ((c = getchar()) != '\n') {
                        count++;
                        if (isdigit(c))
                                digit++;
                        else if (isalpha(c))
                                alpha++;
                        else if (c != '.')
                                notdot++;
                }
                if (count < 6)
                        puts("Your password is tai duan le.");
                else if (notdot)
                        puts("Your password is tai luan le.");
                else if (alpha && !digit)
                        puts("Your password needs shu zi.");
                else if (digit && !alpha)
                        puts("Your password needs zi mu.");
                else
                        puts("Your password is wan mei.");
        }

        return 0;
}