View Compilation Error

0_0_7223757_2165.cpp: In function `int main()':
0_0_7223757_2165.cpp:4: error: `_int64' undeclared (first use this function)
0_0_7223757_2165.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7223757_2165.cpp:4: error: expected `;' before "P"
0_0_7223757_2165.cpp:16: error: `P' undeclared (first use this function)
0_0_7223757_2165.cpp: At global scope:
0_0_7223757_2165.cpp:21: error: `_int64' does not name a type