View Compilation Error

0_0_8732183_17948.cpp:6: error: ISO C++ forbids declaration of `intmain' with no type
0_0_8732183_17948.cpp: In function `int intmain()':
0_0_8732183_17948.cpp:8: error: `_int64' undeclared (first use this function)
0_0_8732183_17948.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8732183_17948.cpp:8: error: expected `;' before "first"
0_0_8732183_17948.cpp:18: error: `first' undeclared (first use this function)
0_0_8732183_17948.cpp:18: error: `second' undeclared (first use this function)
0_0_8732183_17948.cpp:27: error: `ans' undeclared (first use this function)
0_0_8732183_17948.cpp:47: error: `return0' undeclared (first use this function)