View Compilation Error

0_0_33710913_11493.cpp:38:5: error: expected unqualified-id before 'if'
     if (f[n][m][0]!=0)
     ^
0_0_33710913_11493.cpp:40:5: error: expected unqualified-id before 'else'
     else
     ^
0_0_33710913_11493.cpp:42:1: error: expected declaration before '}' token
 }
 ^