View Compilation Error

0_0_34937365_28421.cpp:113:9: error: 'ret' does not name a type
         ret[i] = s;
         ^
0_0_34937365_28421.cpp:115:9: error: expected unqualified-id before 'if'
         if(matrix[ret[n-1]][ret[0]] == 1){
         ^
0_0_34937365_28421.cpp:118:9: error: expected unqualified-id before 'else'
         else{
         ^
0_0_34937365_28421.cpp:121:5: error: expected ';' after class definition
     }
     ^
0_0_34937365_28421.cpp:122:1: error: expected declaration before '}' token
 };
 ^