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  1. program formula1;
  2. type elenco = array[1..2000] of qword;
  3. var N,Q,p,t,i,j, pos, ans :qword;
  4.     a, b, c :array[1..2000] of qword;
  5.     valore, id : elenco;
  6.  
  7. function calcolavalore (aa,bb,cc,tt:qword): qword;
  8.  
  9. begin
  10.    calcolavalore:=aa*tt*tt+bb*tt+cc;
  11. end;   
  12.  
  13. Procedure scambia (var aa,bb: qword);
  14. var x:qword;
  15. begin
  16.    x:=aa;
  17.    aa:=bb;
  18.    bb:=x;
  19. end;  
  20. Procedure ordinamento (estremoi,estremos: qword; var v : elenco;var u : elenco; ordinato:boolean); 
  21. var inf, sup, medio:qword;
  22.     pivot :qword;
  23. begin
  24.     inf:=estremoi;
  25.     sup:=estremos;
  26.     medio:= (estremoi+estremos) div 2;
  27.     pivot:=v[medio];
  28.     repeat
  29.       if (ordinato) then
  30.          begin
  31.             while (v[inf]>pivot) do  inf:=inf+1;
  32.             while (v[sup]<pivot) do  sup:=sup-1;
  33.          end;
  34.       if inf<=sup then
  35.        begin
  36.          scambia(v[inf],v[sup]);
  37.          scambia(u[inf],u[sup]);
  38.          inf:=inf+1;
  39.          sup:=sup-1;
  40.        end;
  41.     until inf>sup;
  42.     if (estremoi<sup) then ordinamento(estremoi,sup,v,u,ordinato);
  43.     if (inf<estremos) then ordinamento(inf,estremos,v,u,ordinato);
  44. end;
  45. Procedure ordinamento1 (estremoi,estremos: qword; var v : elenco; ordinato:boolean); 
  46. var inf, sup, medio:qword;
  47.     pivot :qword;
  48. begin
  49.     inf:=estremoi;
  50.     sup:=estremos;
  51.     medio:= (estremoi+estremos) div 2;
  52.     pivot:=v[medio];
  53.     repeat
  54.       if (ordinato) then
  55.          begin
  56.             while (v[inf]<pivot) do  inf:=inf+1;
  57.             while (v[sup]>pivot) do  sup:=sup-1;
  58.          end;
  59.       if inf<=sup then
  60.        begin
  61.          scambia(v[inf],v[sup]);
  62.          inf:=inf+1;
  63.          sup:=sup-1;
  64.        end;
  65.     until inf>sup;
  66.     if (estremoi<sup) then ordinamento1(estremoi,sup,v,ordinato);
  67.     if (inf<estremos) then ordinamento1(inf,estremos,v,ordinato);
  68. end;
  69. procedure controlla (var v: elenco; var u : elenco);
  70. var h, w,z, inff,supp : qword;
  71.     temp : elenco;                  
  72. begin
  73.     h:=1; 
  74.     while ((v[h]<>v[pos]) and (h<=N))  do h:=h+1;
  75.     inff:=h;                                      
  76.     w:=N;
  77.     while ((v[w]<>v[pos]) and (w>=1))  do w:=w-1;
  78.     supp:=w;                                    
  79.     z:=1;
  80.     if inff=supp then  ans:=u[pos]       
  81.                  else                     
  82.                    begin
  83.                      for h:=inff to supp do 
  84.                                       begin
  85.                                         temp[z]:=u[h];
  86.                                         z:=z+1;
  87.                                       end;
  88.                      ordinamento1(1,z-1,temp,true);
  89.                      ans:=temp[pos-inff+1] ; 
  90.                  end;   
  91. end; 
  92.  
  93. begin
  94.         (*assign(input,  'input.txt');  reset(input);
  95.         assign(output, 'output.txt'); rewrite(output);	*)
  96.         readln(N);
  97. 	for i:=1 to N do readln(a[i],b[i],c[i]); 
  98. 	readln(Q);
  99. 	for i:=1 to Q do
  100. 	              begin
  101. 	                readln (p,t); 
  102. 	                pos:=p;
  103.                         for j:=1 to N do begin valore[j]:=0; id[j]:=j; end;
  104. 	                for j:=1 to N do valore[j]:=calcolavalore(a[j],b[j],c[j],t);
  105. 	                ordinamento(1,N,valore, id, true);
  106. 	                controlla (valore, id);
  107. 	                writeln(ans);	                
  108. 	              end;
  109.  
  110. end.
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
5
2 4 6
3 3 8
4 0 5
1 4 1
7 7 4
5
4 0
1 1
4 2
4 3
5 4
stdout
copy 
5
5
3
1
4
https://ideone.com/Yvyn7K
language:
Pascal (fpc 3.0.4)
created:
1 day ago
visibility:
public

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