View Compilation Error

0_0_15281756_24983.cpp: In function 'int Edge(int, int, int, int)':
0_0_15281756_24983.cpp:4:3: error: 'u' was not declared in this scope
   u = _u;
   ^
0_0_15281756_24983.cpp:5:3: error: 'v' was not declared in this scope
   v = _v;
   ^
0_0_15281756_24983.cpp:6:3: error: 'cap' was not declared in this scope
   cap = _cap;
   ^
0_0_15281756_24983.cpp:7:3: error: 'next' was not declared in this scope
   next = _next;
   ^
0_0_15281756_24983.cpp: At global scope:
0_0_15281756_24983.cpp:9:1: error: expected declaration before '}' token
 } edge[MAXM];
 ^