View Compilation Error

0_0_26933053_8979.cpp: In function 'int findfa(int, int*)':
0_0_26933053_8979.cpp:67:15: error: a function-definition is not allowed here before '{' token
 ll det(int nn){ //生成树计数:Matrix-Tree定理
               ^
0_0_26933053_8979.cpp:160:1: error: expected '}' at end of input
 }
 ^