View Compilation Error

0_0_38581065_5330.cpp: In function 'void merge()':
0_0_38581065_5330.cpp:45:1: error: a function-definition is not allowed here before '{' token
 {while(1)
 ^
0_0_38581065_5330.cpp:61:1: error: expected '}' at end of input
 }
 ^
0_0_38581065_5330.cpp:18:5: note: to match this '{'
     {for(int  i=1;i<=n;i++)
     ^