fork download
copy 
  1. program rollercoaster3;
  2. var N,K,i,countH, speed :int64;
  3.     S : Ansistring;
  4.     roller : array[1..100] of int64;
  5.     velocita : array[0..100] of int64;
  6.  
  7. begin
  8.     (*assign(input,  'input.txt');  reset(input);
  9.     assign(output, 'output.txt'); rewrite(output);*)
  10.  
  11.     ReadLn(N);
  12.  
  13.     ReadLn(S);
  14.     K := 0; countH:=0; speed:=0; velocita[0]:=0;
  15.  
  16.     { INSERT YOUR CODE HERE }
  17.     if S[1]='U' then begin K:=-1; WriteLn(K); exit; end;   
  18.     for i:=1 to N do 
  19.                        Case S[i] of  
  20. 				'D' : roller[i]:=9;
  21. 				'U' : roller[i]:=-11;  
  22. 				'H' : roller[i]:=0;  
  23. 		                'B' : roller[i]:=10; 
  24.                       end;
  25.     for i:=1 to N do 
  26.                     begin
  27.                        if S[i]='H' then countH:=countH+1;                        
  28.                        speed:=speed+roller[i]; 
  29.                        if speed<=0 then
  30.                                       begin
  31.                                           if countH>0 then 
  32.                                                      begin 
  33.                                                        countH:=countH-1;
  34.                                                        speed:=speed + 10;
  35.                                                        K:=K+1;                                                       
  36.                                                      end
  37.                                                     else  begin K:=-1; WriteLn(K); break; end;                                                                                                      end;  
  38.                        velocita[i]:=speed;
  39.                     end;      
  40.      for i:=1 to N do write(velocita[i],' '); writeln;
  41.      if velocita[N]<=0 then K:=-1; 
  42.      WriteLn(K);
  43. end.
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
22
BBBBBBBBBHUUUUUUUUUUB
stdout
copy 
-1
10 20 30 40 50 60 70 80 90 90 79 68 57 46 35 24 13 2 1 0 0 0 
-1
https://ideone.com/V2xzu9
language:
Pascal (fpc 3.0.4)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!