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  1. #include<stdio.h>
  2. #include<math.h>
  3.  
  4. double heikin(int a[]);
  5. int goukaku(int a[],int b);
  6. void hensachi(int data[],double dev[],double ave);
  7.  
  8. int main(void)
  9. {
  10.  int data[5],i;
  11.  double ave;
  12.  double deviation[5];
  13.  for (i=0;i<=4;i++)
  14.  {
  15.   printf("data[%d]= \n",i);
  16.   scanf("%d",&data[i]);
  17.  }
  18.  ave=heikin(data);
  19.  printf("heikin=%f \n",ave);
  20.  printf("goukaku=%d\n",goukaku(data,5));
  21.  hensachi(data,deviation,ave);
  22.  for (i=0;i<=4;i++)
  23.  {
  24.   printf("deviation[%d]=%f\n",i,deviation[i]);
  25.  }
  26.  return 0;
  27. }
  28.  
  29. double heikin(int a[])
  30. {
  31.  int i,k=0;
  32.  for(i=0;i<=4;i++)
  33.  {
  34.   k=k+a[i];
  35.  }
  36.  return((double)k/5);
  37. }
  38.  
  39. int goukaku(int a[], int b)
  40. {
  41.  int n=0;
  42.  for(;b!=0;--b)
  43.   if(a[b-1] >= 6)
  44.    ++n;
  45.  return n;
  46. }
  47.  
  48. void hensachi(int data[],double dev[],double ave)
  49. {
  50.  int i;
  51.  double stddev,d=0;
  52.  
  53.  for (i=0;i<=4;i++)
  54.  {
  55.   d+=pow(data[i]-ave,2);
  56.  }
  57.  stddev=pow(d/5,0.5);
  58.  printf("Standard Deviation=%f\n",stddev);
  59.  for (i=0;i<=4;i++)
  60.  {
  61.   dev[i]=10*(data[i]-ave)/stddev+50;
  62.  }
  63. }
  64.  
Success #stdin #stdout 0.01s 1724KB
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stdin
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stdout
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data[0]= 
data[1]= 
data[2]= 
data[3]= 
data[4]= 
heikin=5.000000 
goukaku=2
Standard Deviation=1.414214
deviation[0]=35.857864
deviation[1]=42.928932
deviation[2]=50.000000
deviation[3]=57.071068
deviation[4]=64.142136
https://ideone.com/eTiSP
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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