View Compilation Error

0_0_22244370_17131.cpp: In function 'void fre()':
0_0_22244370_17131.cpp:18:1: error: a template declaration cannot appear at block scope
 template <class T1, class T2>inline void gmax(T1 &a, T2 b) { if (b>a)a = b; }
 ^
0_0_22244370_17131.cpp:28:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_22244370_17131.cpp:66:1: error: expected '}' at end of input
 }
 ^