View Compilation Error

0_0_9087105_1018.cpp:4: error: `LL' does not name a type
0_0_9087105_1018.cpp:17: error: `LL' does not name a type
0_0_9087105_1018.cpp:34: error: `LL' does not name a type
0_0_9087105_1018.cpp: In function `int main()':
0_0_9087105_1018.cpp:45: error: `LL' undeclared (first use this function)
0_0_9087105_1018.cpp:45: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9087105_1018.cpp:45: error: expected `;' before "num"
0_0_9087105_1018.cpp:49: error: `n' undeclared (first use this function)
0_0_9087105_1018.cpp:49: error: `m' undeclared (first use this function)
0_0_9087105_1018.cpp:50: error: `num' undeclared (first use this function)
0_0_9087105_1018.cpp:50: error: `dfs' undeclared (first use this function)