0_0_38780629_31038.cpp:1:1: error: 'unordered_set' does not name a type
1 | unordered_set<int> sq;
| ^~~~~~~~~~~~~
0_0_38780629_31038.cpp: In function 'void gamejoye()':
0_0_38780629_31038.cpp:4:9: error: 'cin' was not declared in this scope
4 | cin >> a >> b;
| ^~~
0_0_38780629_31038.cpp:5:20: error: 'abs' was not declared in this scope
5 | int diff = abs(a - b);
| ^~~
0_0_38780629_31038.cpp:6:12: error: 'sq' was not declared in this scope
6 | if(sq.count(diff)) {
| ^~
0_0_38780629_31038.cpp:7:17: error: 'cout' was not declared in this scope
7 | cout << "1\n";
| ^~~~
0_0_38780629_31038.cpp:11:20: error: 'sq' was not declared in this scope
11 | if(sq.count(i * i - diff) || sq.count(diff - i * i)) {
| ^~
0_0_38780629_31038.cpp:12:25: error: 'cout' was not declared in this scope
12 | cout << "2\n";
| ^~~~
0_0_38780629_31038.cpp:16:9: error: 'cout' was not declared in this scope
16 | cout << "3\n";
| ^~~~
0_0_38780629_31038.cpp: In function 'int main()':
0_0_38780629_31038.cpp:20:9: error: 'ios' has not been declared
20 | ios::sync_with_stdio(0);
| ^~~
0_0_38780629_31038.cpp:21:9: error: 'cin' was not declared in this scope
21 | cin.tie(0);
| ^~~
0_0_38780629_31038.cpp:22:9: error: 'cout' was not declared in this scope
22 | cout.tie(0);
| ^~~~
0_0_38780629_31038.cpp:23:43: error: 'sq' was not declared in this scope
23 | for(int i = 1; i * i <= 1e9; i++) sq.insert(i * i);
| ^~
|
