浙大版《C语言程序设计（第3版）》题目集 习题11-2 查找星期 (15分)

#include <stdio.h>
#include <string.h>
#define MAXS 80
int getindex(char *s);
int main()
{
    int n;
    char s[MAXS];
    scanf("%s", s);
    n = getindex(s);
    if (n == -1)
        printf("wrong input!\n");
    else
        printf("%d\n", n);
    return 0;
}
int getindex(char *s)
{
    int week;
    char *day[7] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
    //这里使用  day[7][10] 也行 并且*day[7]在dev中有 警告？？
    for (week = 0; week <= 6; week++)
    {
        if (strcmp(s, day[week]) == 0)
            break;
    }
    if (week == 7)
        week = -1;
    return week;
}