View Compilation Error

0_0_2898473_10326.cpp: In function `bool dfs(int, int)':
0_0_2898473_10326.cpp:42: error: expected `)' before "dp"
0_0_2898473_10326.cpp:54: error: `ans' undeclared (first use this function)
0_0_2898473_10326.cpp:54: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2898473_10326.cpp: In function `int main()':
0_0_2898473_10326.cpp:72: error: `D' undeclared (first use this function)
0_0_2898473_10326.cpp:76: error: no matching function for call to `sort(int[2704], int&)'