View Compilation Error

0_0_29708282_22757.cpp:29:1: error: expected initializer before 'Matrix'
 Matrix res;
 ^
0_0_29708282_22757.cpp:30:1: error: expected unqualified-id before 'for'
 for(int i=0; i<MAXN; ++i)
 ^
0_0_29708282_22757.cpp:30:14: error: 'i' does not name a type
 for(int i=0; i<MAXN; ++i)
              ^
0_0_29708282_22757.cpp:30:22: error: expected unqualified-id before '++' token
 for(int i=0; i<MAXN; ++i)
                      ^
0_0_29708282_22757.cpp:32:1: error: expected unqualified-id before 'while'
 while(num>0)
 ^
0_0_29708282_22757.cpp:39:1: error: expected unqualified-id before 'return'
 return res;
 ^
0_0_29708282_22757.cpp:40:1: error: expected declaration before '}' token
 } int main()
 ^