0_0_29942209_29301.cpp:4:19: error: declaration does not declare anything [-fpermissive]
typedef long long __int128;
^
0_0_29942209_29301.cpp:13:1: error: 'IT' does not name a type
IT n;
^
0_0_29942209_29301.cpp:17:1: error: 'IT' does not name a type
IT read()
^
0_0_29942209_29301.cpp:44:11: error: 'IT' was not declared in this scope
int sqrt3(IT n)
^
0_0_29942209_29301.cpp:45:1: error: expected ',' or ';' before '{' token
{
^
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