View Compilation Error

0_0_28552878_15933.cpp: In function 'int main()':
0_0_28552878_15933.cpp:55:24: error: a function-definition is not allowed here before '{' token
 int yueshu(int n,int m){
                        ^
0_0_28552878_15933.cpp:77:1: error: expected '}' at end of input
 }
 ^
0_0_28552878_15933.cpp:77:1: error: expected '}' at end of input