C的数组

/* 数组指定元素初始化(C99) */#include <stdio.h>int main(){    int days[10] = {1, 2, 3, [5] = 5, 6, 7, [1] = 8};  //对同一元素多次初始化，以最后一次有效    int i = 0, n = sizeof(days) / sizeof(days[0]);    for (i = 0; i < n; i++)    {        printf("%d ", days[i]);    }    return 0;}// 运行结果：1 8 3 0 0 5 6 7 0 0

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