pdp forum

Κώδικας: Επιλογή όλων

#include<stdio.h>
int main(){
double N,M = 0,a,m=1e6;
scanf("%lf",&N);
while(N--)scanf("%lf",&a),m=(m<a)?m:a,M=(M>a/m)?M:a/m;
printf("%.3lf\n",M);}

Κώδικας: Επιλογή όλων

program PDP23;

 var
 pin:array[1..1000000] of integer;
 max_p :real;
 max,min:Integer;
 all : Boolean;
 fin,fout :Text;
 x,i,orio_tel,sum: LongInt;


 begin

 assign (fin ,'profit.in');
 reset (fin);
 assign (fout ,'profit.out');
  rewrite (fout);

  readln (fin,sum);

  For x:=1 to sum do
  read (fin,pin[x]);

   close(fin);

    orio_tel:=1;
    max_p:=0;


     repeat

       x:=orio_tel+1;
       max:=pin[x];

        for i:=orio_tel+2 to sum do
         begin
          if pin[i]>=max then
           begin
           max:=pin[i];
           x:=i;
           end;
         end;

      min:=max;

      For i:=orio_tel to x-1 do
       begin
        If pin[i]<min THEN  min:=pin[i];
       end;

       If max/min>max_p then
            max_p:=max/min;

           orio_tel:=x+1 ;


           all:=FALSE;
             i:=orio_tel;
              while (i<sum) and (all=FALSE) do
               begin
                if pin[i]<min then all:=TRUE;
                 i:=i+1;
                end;

     until all=False;

          writeln (fout,max_p:4:3);
          close (fout);

          halt(0)
        end.

Κώδικας: Επιλογή όλων

#include <stdio.h>

#define MAXVAL 9999

unsigned long int N;
int min, max, max2, min2, tmp;
float ans; /* asnwer */

int main()
{
    register unsigned long int i=0;
    FILE *fin = fopen("profit.in", "r");
    FILE *fout = fopen("profit.out", "w");
    
    min = min2 = MAXVAL;
    
    fscanf(fin, "%lu\n", &N);
    
    for(i=0; i < N; i++)
    {
        fscanf(fin, "%d", &tmp);
        if(tmp < min2) {
            if(min > 0) {
                min2 = tmp;
                max2 = 0;
            }
            else
                min = min2 = tmp;
        }
        else if(tmp >= max) {
            max2 = max = tmp;
            min = min2;
        }
        else if(min2 < min)
        {
            if( ((float)tmp / min2) > ((float)max / min) )
            {
                min = min2;
                max = tmp;
            }
        }
    }
    
    if(max > min)
        ans = (float)max / min;
    else
        ans = 1;
    
    fprintf(fout, "%.3f\n", ans);

    fclose(fin);
    fclose(fout);
    return 0;
}