View Compilation Error

0_0_9368843_12627.cpp: In function `bool judge2()':
0_0_9368843_12627.cpp:46: error: `i' undeclared (first use this function)
0_0_9368843_12627.cpp:46: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9368843_12627.cpp:46: error: `repf' undeclared (first use this function)
0_0_9368843_12627.cpp:47: error: expected `;' before "if"
0_0_9368843_12627.cpp: In function `void dfs(int, int, int)':
0_0_9368843_12627.cpp:71: error: `id' undeclared (first use this function)
0_0_9368843_12627.cpp:71: error: expected `;' at end of input
0_0_9368843_12627.cpp:71: error: expected `}' at end of input
0_0_9368843_12627.cpp:71: error: expected `}' at end of input
0_0_9368843_12627.cpp:71: error: expected `}' at end of input