View Compilation Error

0_0_8748704_26932.cpp: In function `int main()':
0_0_8748704_26932.cpp:6: error: `_int64' undeclared (first use this function)
0_0_8748704_26932.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8748704_26932.cpp:6: error: expected `;' before "m1"
0_0_8748704_26932.cpp:8: error: `m1' undeclared (first use this function)
0_0_8748704_26932.cpp:8: error: `m2' undeclared (first use this function)
0_0_8748704_26932.cpp:10: error: `R1' undeclared (first use this function)
0_0_8748704_26932.cpp:10: error: `R2' undeclared (first use this function)
0_0_8748704_26932.cpp:10: error: `R3' undeclared (first use this function)