View Compilation Error

0_0_1144608_6026.cpp: In function `int main()':
0_0_1144608_6026.cpp:10: error: `_INT64' undeclared (first use this function)
0_0_1144608_6026.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1144608_6026.cpp:10: error: expected `;' before "sum"
0_0_1144608_6026.cpp:11: error: expected `;' before "t1"
0_0_1144608_6026.cpp:11: error: integer constant is too large for "long" type
0_0_1144608_6026.cpp:12: error: expected `;' before "a"
0_0_1144608_6026.cpp:14: error: `a' undeclared (first use this function)
0_0_1144608_6026.cpp:17: error: `sum' undeclared (first use this function)
0_0_1144608_6026.cpp:21: error: `t1' undeclared (first use this function)
0_0_1144608_6026.cpp:35: error: `m' undeclared (first use this function)