View Compilation Error

0_0_8173357_3479.cpp: In function `int dfs(int, int, int, bool)':
0_0_8173357_3479.cpp:18: error: expected primary-expression before "else"
0_0_8173357_3479.cpp:18: error: expected `;' before "else"
0_0_8173357_3479.cpp:20: error: `t' undeclared (first use this function)
0_0_8173357_3479.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8173357_3479.cpp:20: error: name lookup of `i' changed for new ISO `for' scoping
0_0_8173357_3479.cpp:17: error:   using obsolete binding at `i'
0_0_8173357_3479.cpp: At global scope:
0_0_8173357_3479.cpp:22: error: expected unqualified-id before "if"
0_0_8173357_3479.cpp:22: error: expected `,' or `;' before "if"
0_0_8173357_3479.cpp:23: error: expected unqualified-id before "return"
0_0_8173357_3479.cpp:23: error: expected `,' or `;' before "return"
0_0_8173357_3479.cpp:24: error: expected declaration before '}' token