void leftview(struct node* root,int level)
{
if(root==NULL) return;
if(maxd<level)
{
maxd= level;
printf("%d ",root->data);
}
leftview(root->right,level+1);
leftview(root->left,level+1);
return;
}
int main()
{
struct node* root= newnode(1);
root->left= newnode(2);
root->right= newnode(3);
root->left->left= newnode(4);
root->left->left->right= newnode(10);
root->left->right= newnode(5);
root->right->left= newnode(6);
root->right->right= newnode(7);
leftview(root,0);
return 0;
}
play()
{
register struct ship *sp;
for (;;) {
switch (sgetch("~\b", (struct ship *)0, 0)) {
case 'm':
acceptmove();
break;
case 's':
acceptsignal();
break;
case 'g':
grapungrap();
break;
case 'u':
unfoulplayer();
break;
case 'v':
Signal("%s", (struct ship *)0, version);
break;
case 'b':
acceptboard();
break;
case 'f':
acceptcombat();
break;
case 'l':
loadplayer();
break;
case 'c':
changesail();
break;
case 'r':
repair();
break;
case 'B':
Signal("'Hands to stations!'", (struct ship *)0);
unboard(ms, ms, 1); /* cancel DBP's */
unboard(ms, ms, 0); /* cancel offense */
break;
case '\f':
centerview();
blockalarm();
draw_board();
draw_screen();
unblockalarm();
break;
case 'L':
mf->loadL = L_EMPTY;
mf->loadR = L_EMPTY;
mf->readyL = R_EMPTY;
mf->readyR = R_EMPTY;
Signal("Broadsides unloaded", (struct ship *)0);
break;
case 'q':
Signal("Type 'Q' to quit", (struct ship *)0);
break;
case 'Q':
leave(LEAVE_QUIT);
break;
case 'I':
foreachship(sp)
if (sp != ms)
eyeball(sp);
break;
case 'i':
if ((sp = closestenemy(ms, 0, 1)) == 0)
Signal("No more ships left.");
else
eyeball(sp);
break;
case 'C':
centerview();
blockalarm();
draw_view();
unblockalarm();
break;
case 'U':
upview();
blockalarm();
draw_view();
unblockalarm();
break;
case 'D':
case 'N':
downview();
blockalarm();
draw_view();
unblockalarm();
break;
case 'H':
leftview();
blockalarm();
draw_view();
unblockalarm();
break;
case 'J':
rightview();
blockalarm();
draw_view();
unblockalarm();
break;
case 'F':
lookout();
break;
case 'S':
dont_adjust = !dont_adjust;
blockalarm();
draw_turn();
unblockalarm();
break;
}
}
}
