Hello, here are the last couple of questions for my intro to programming for my intro course I would like the help

int main(void) { int k, num 30; k = (num > 5? (num = 5? (j = 10):(j = 15); printf (" %d %d", i, j); } Error. Invalid comparison ":" used No Error int main(void) { int tag = 0, code = 1; if (tag == 0) (code > 1 ? printf (" Hello") ? printf(" Hi")); else printf (" Hello Hi !!"); return 0; } No Error Error. missing : ( colon)