Problem	choochoo
User	Karax
Submission Time	2026-01-25 17:47:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

choochoo.cpp:5:8: error: cannot declare ‘::main’ to be a global variable
5 | signed main {
| ^~~~
choochoo.cpp:6:29: error: expected ‘}’ before ‘;’ token
6 | ios::sync_with_stdio(false);
| ^
choochoo.cpp:5:13: note: to match this ‘{’
5 | signed main {
| ^
choochoo.cpp:7:2: error: ‘cin’ does not name a type; did you mean ‘sin’?
7 | cin.tie(0);
| ^~~
| sin
choochoo.cpp:8:2: error: ‘cout’ does not name a type
8 | cout.tie(0);
| ^~~~
choochoo.cpp:10:2: error: ‘cin’ does not name a type; did you mean ‘sin’?
10 | cin >> n;
| ^~~
| sin
choochoo.cpp:13:2: error: expected unqualified-id before ‘if’
13 | if (a = b) {
| ^~
choochoo.cpp:15:4: error: expected unqualified-id before ‘else’
15 | } else {
| ^~~~
choochoo.cpp:18:1: error: expected declaration before ‘}’ to