View Compilation Error

0_0_13118954_5320.cpp: In function 'int ok(int, int)':
0_0_13118954_5320.cpp:20:1: error: expected '(' before 'bool'
 bool solve(int row,int col,int num){
 ^
0_0_13118954_5320.cpp:65:21: error: expected '}' at end of input
         solve(1,0,0);
                     ^
0_0_13118954_5320.cpp:65:21: error: expected '}' at end of input