/in/foo.cc: In function 'int main()':
/in/foo.cc:9:5: error: 'scanf' was not declared in this scope
     scanf("%d",&t);
     ^~~~~
/in/foo.cc:22:17: error: 'min' was not declared in this scope
         all_sum=min(all[i],all_sum);
                 ^~~
/in/foo.cc:22:17: note: suggested alternative: 'main'
         all_sum=min(all[i],all_sum);
                 ^~~
                 main
/in/foo.cc:51:5: error: 'printf' was not declared in this scope
     printf("%d\n",ss);
     ^~~~~~
/in/foo.cc:51:5: note: suggested alternative: 'int'
     printf("%d\n",ss);
     ^~~~~~
     int