View Compilation Error

0_0_36678515_14274.cpp:18:1: error: 'slack' does not name a type
 slack = INF;
 ^
0_0_36678515_14274.cpp:19:7: error: expected constructor, destructor, or type conversion before '(' token
 memset(visx, 0, sizeof(visx));
       ^
0_0_36678515_14274.cpp:20:7: error: expected constructor, destructor, or type conversion before '(' token
 memset(visy, 0, sizeof(visy));
       ^
0_0_36678515_14274.cpp:21:1: error: expected unqualified-id before 'if'
 if(searchpath(i))
 ^
0_0_36678515_14274.cpp:23:1: error: expected unqualified-id before 'for'
 for(j = 0; j < n; j ++)
 ^
0_0_36678515_14274.cpp:23:12: error: 'j' does not name a type
 for(j = 0; j < n; j ++)
            ^
0_0_36678515_14274.cpp:23:19: error: 'j' does not name a type
 for(j = 0; j < n; j ++)
                   ^
0_0_36678515_14274.cpp:30:1: error: expected declaration before '}' token
 }
 ^