View Compilation Error

0_0_8686558_29935.cpp: In function `int main()':
0_0_8686558_29935.cpp:63: error: `l64' undeclared (first use this function)
0_0_8686558_29935.cpp:63: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8686558_29935.cpp:63: error: expected `;' before "up"
0_0_8686558_29935.cpp:64: error: `dn' undeclared (first use this function)
0_0_8686558_29935.cpp:65: error: expected `;' before "i"
0_0_8686558_29935.cpp:65: error: name lookup of `i' changed for new ISO `for' scoping
0_0_8686558_29935.cpp:62: error:   using obsolete binding at `i'
0_0_8686558_29935.cpp:65: error: `up' undeclared (first use this function)