View Compilation Error

0_0_21908500_24196.cpp:38:5: error: expected unqualified-id before 'if'
     if(ans==INF)  
     ^
0_0_21908500_24196.cpp:40:5: error: expected unqualified-id before 'else'
     else  
     ^
0_0_21908500_24196.cpp:42:1: error: expected declaration before '}' token
 }  
 ^