View Compilation Error

126086_0_21221.cpp: In function `int main()':
126086_0_21221.cpp:6: error: `_int64' undeclared (first use this function)
126086_0_21221.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
126086_0_21221.cpp:6: error: expected `;' before "A"
126086_0_21221.cpp:7: error: `A' undeclared (first use this function)
126086_0_21221.cpp:13: error: expected `;' before "result"
126086_0_21221.cpp:16: error: `result' undeclared (first use this function)