View Compilation Error

0_0_33979083_21659.cpp: In function 'int main()':
0_0_33979083_21659.cpp:6:9: error: '_int64' was not declared in this scope
         _int64 money=0;
         ^
0_0_33979083_21659.cpp:21:5: error: 'money' was not declared in this scope
     money+=2*n[1];
     ^
0_0_33979083_21659.cpp:29:10: error: 'money' was not declared in this scope
          money+=(time[l+1]-time[l]-1)*n[2];
          ^
0_0_33979083_21659.cpp:33:19: error: 'money' was not declared in this scope
                   money+=2*n[1];  
                   ^
0_0_33979083_21659.cpp:36:7: error: 'money' was not declared in this scope
       money+=2*n[1];
       ^
0_0_33979083_21659.cpp:38:7: error: 'money' was not declared in this scope
       money+=n[0]*n[2];
       ^