View Compilation Error

0_0_6505854_25820.cpp: In function `int main()':
0_0_6505854_25820.cpp:37: error: expected `;' before "M"
0_0_6505854_25820.cpp:37: error: `M' undeclared (first use this function)
0_0_6505854_25820.cpp:37: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6505854_25820.cpp:37: error: expected `)' before ';' token
0_0_6505854_25820.cpp:37: error: name lookup of `i' changed for new ISO `for' scoping
0_0_6505854_25820.cpp:37: error:   using obsolete binding at `i'
0_0_6505854_25820.cpp:37: error: expected `;' before ')' token
0_0_6505854_25820.cpp:38: error: `j' undeclared (first use this function)
0_0_6505854_25820.cpp:38: error: expected `;' before ')' token
0_0_6505854_25820.cpp:12: error: too few arguments to function `void dfs(long long int, long long int)'
0_0_6505854_25820.cpp:43: error: at this point in file