View Compilation Error

0_0_16253489_8006.cpp: In function 'int main()':
0_0_16253489_8006.cpp:8:5: error: '_int64' was not declared in this scope
     _int64 m,n,q;
     ^
0_0_16253489_8006.cpp:9:12: error: expected ';' before 'temp'
     _int64 temp;
            ^
0_0_16253489_8006.cpp:17:13: error: 'm' was not declared in this scope
             m=1;
             ^
0_0_16253489_8006.cpp:18:13: error: 'n' was not declared in this scope
             n=1;
             ^
0_0_16253489_8006.cpp:21:17: error: 'q' was not declared in this scope
                 q = m + n;
                 ^
0_0_16253489_8006.cpp:22:17: error: 'temp' was not declared in this scope
                 temp = m;
                 ^
0_0_16253489_8006.cpp:26:30: error: 'q' was not declared in this scope
             printf("%164d\n",q);
                              ^