View Compilation Error

0_0_6700229_13109.cpp:7: error: `__64int' does not name a type
0_0_6700229_13109.cpp:7: error: integer constant is too large for "long" type
0_0_6700229_13109.cpp: In function `int main()':
0_0_6700229_13109.cpp:33: error: `MAXN' undeclared (first use this function)
0_0_6700229_13109.cpp:33: error: (Each undeclared identifier is reported only once for each function it appears in.)