View Compilation Error

0_0_30870694_20588.cpp: In function 'int main()':
0_0_30870694_20588.cpp:15:2: error: expected initializer before 'long'
  long long ans;
  ^
0_0_30870694_20588.cpp:16:13: error: 'T' was not declared in this scope
  while(cin>>T){
             ^
0_0_30870694_20588.cpp:29:4: error: 'ans' was not declared in this scope
    ans=inf;
    ^
0_0_30870694_20588.cpp:33:4: error: 'ans' was not declared in this scope
    ans=min(ans,dp[T][i]);
    ^
0_0_30870694_20588.cpp:34:21: error: 'ans' was not declared in this scope
   printf("%I64d\n", ans);       
                     ^