View Compilation Error

0_0_3055532_28022.cpp: In function `int main()':
0_0_3055532_28022.cpp:4: error: `_int64' undeclared (first use this function)
0_0_3055532_28022.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3055532_28022.cpp:4: error: expected `;' before "T"
0_0_3055532_28022.cpp:5: error: `T' undeclared (first use this function)
0_0_3055532_28022.cpp:7: error: `N' undeclared (first use this function)
0_0_3055532_28022.cpp:8: error: expected `;' before "sum"
0_0_3055532_28022.cpp:10: error: `temp' undeclared (first use this function)
0_0_3055532_28022.cpp:11: error: `sum' undeclared (first use this function)