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Jan 23rd, 2018
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C 0.61 KB | None | 0 0
  1. #include<stdio.h>
  2.  
  3. int main()
  4. {
  5.     double e,i,j,suma1,suma2,pi;
  6.     suma1=0.0;
  7.     suma2=0.0;
  8.  
  9.     int cnt=0;
  10.  
  11.     do
  12.     {
  13.         if(cnt>0)printf("broj epsilon nije u trazenom opsegu\n");
  14.  
  15.         printf("unesite neki broj e-koji mora biti u intervalu od 0,0001 do 0,1: ");
  16.         scanf("%lf",&e);
  17.         cnt=cnt+1;
  18.     }while((e>0.1) || (e<0.0001));
  19.  
  20.  
  21.     for(i=1;i<1.0/e;i=i+4)
  22.     {
  23.         suma1=suma1+1.0/i;
  24.     }
  25.     for(j=3;j<1.0/e;j=j+4)
  26.     {
  27.         suma2=suma2+1.0/j;
  28.     }
  29.     pi=4.0*(suma1-suma2);
  30.     printf("vrijednost broja pi za %lf je %lf: ",e,pi);
  31.  
  32.     return 0;
  33. }
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