#include <stdio.h>
#include <math.h>
#include <string.h>
typedef struct {
char name[100];
double y;
} point;
int main (void) {
FILE * fp,*fp1;
int num=0;
char name [100];
double score, weight,bunsan,hyoujyun,hensati;
point a[100];
double sum=0.0,sum2=0.0,max=0.0,min=100;//sum総和sum2２乗の総和
fp = fopen ("data", "r");
if (fp==NULL) {
printf ("オープン失敗\n");
return 0;
}
while (fscanf (fp, "%s%lf", name,
&score) == 2) {
sum=sum+score;
sum2=score*score+sum2;
if(max<score)max=score;
if(min>score)min=score;
strcpy(a[num].name,name);
a[num].y=score;
num++;
}
bunsan=sum2-(sum*sum/100)/100;
hyoujyun=sqrt(bunsan);
printf("max%f\nmin%f\n標準偏差%f\n平均%f",max,min,hyoujyun,sum/100);
fclose (fp);
fp1 = fopen ("output.txt", "w");
num=0;
while(num!=100){
hensati=(a[num].y-sum/100)/hyoujyun*10+50;
fprintf (fp1, "%s\t%d\t%d\n",a[num].name,a[num].y,hensati);
num++;
}
fclose (fp1);
return 0;
}