strlen如何求二维数组某一行的长度

Question

如题所述

Answer 1

char s[][100] = { "Hello", ",", "world", "!" };
for (int i=0; i<sizeof(s)/sizeof(s[0]); ++i)
printf("%d, %s\n", strlen(s[i]), s[i]);

Answer 2

char str[2][] = {"abcdefg","hijiklmn"};

int i = strlen(str[0]); //i = 7
int j = strlen(str[1]);//j = 8

Answer 3

如char str[3][3]
strlen(str[0])