int main() {
    const char *s[3] = {"print", "continue", "break"};
    for (int i = 2; i>= 0; i--) {
        for (int j = 2; j >i; j--) {
            printf("%s\n", s[i] +j);//将s中第i个字符串的第j个字符后的字符串输出
        }
    }
}

输出

ntinue
int
rint