View Compilation Error

0_0_30333085_6966.cpp: In function 'int main()':
0_0_30333085_6966.cpp:35:31: error: expected ';' before ')' token
    cin>>task[i].ci>>task[i].di);
                               ^
0_0_30333085_6966.cpp:37:3: error: 'll' was not declared in this scope
   ll res;
   ^
0_0_30333085_6966.cpp:38:6: error: expected ';' before 'ans'
   ll ans;
      ^
0_0_30333085_6966.cpp:39:3: error: 'res' was not declared in this scope
   res=0;
   ^
0_0_30333085_6966.cpp:40:3: error: 'ans' was not declared in this scope
   ans=0;
   ^