View Compilation Error

0_0_10893460_12044.cpp: In function `void dfs(long long int, long long int, long long int, long long int)':
0_0_10893460_12044.cpp:12: error: `__64int' undeclared (first use this function)
0_0_10893460_12044.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10893460_12044.cpp:12: error: expected `;' before "i"
0_0_10893460_12044.cpp:12: error: `i' undeclared (first use this function)