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);

    system("pause");
    return 0;
}

/* 你的代码将被嵌在这里 */
int getindex(char *s) {
    int week;
    char *day[7] = { "Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday" };
    for (week = 0; week <= 6; week++)
        if (strcmp(s, day[week]) == 0)
            return week;
    return -1;
}