[討論] C 語言 hw6

[thorstan1234 (等待救援....)]

#include<stdio.h>
#include<conio.h>
#include<math.h>
main()
{
 FILE *f1,*f2,*f3;


  float TD=0,TH=0,AD,AH,SD,SH,TD2=0,TH2=0;
  int i=0;

  float D,H;
  int yes=1;
  f1=fopen("a:a1101.txt","w");
  f3=fopen("a:a1102.txt","w");
  clrscr();
         while(yes==1)
  {
  i++;
  printf("N=%d \n",i);
  printf("enter D= ");  scanf("%f",&D);
  printf("enter H= ");  scanf("%f",&H);
  TD=TD+D;
  TH=TH+H;
  TD2=TD2+pow(D,2);
  TH2=TH2+pow(H,2);


  printf("enter 1 to continue\n");  scanf("%d",&yes);
  fprintf(f1, "%d %7.1f %7.1f\n", i,D,H);
  }
  fclose(f1);

  f2=fopen("a:a1101.txt","r");

printf("   Table   D & H\n");
printf("=======================\n");
printf("  NO     D       H \n");
printf("-----------------------\n");
fprintf(f3,"   Table   D & H\n");
fprintf(f3,"=======================\n");
fprintf(f3,"  NO     D       H \n");
fprintf(f3,"-----------------------\n");

  while(1)
  {
  fscanf(f1,"%d %f %f\n", &i,&D,&H);
  printf("  %d %7.1f %7.1f\n", i,D,H);
  fprintf(f3,"  %d %7.1f %7.1f\n", i,D,H);
  if (feof(f1)) break;
  }

AD=TD/i;
AH=TH/i;
SD=sqrt( (i*TD2-pow(TD,2))/i/(i-1));
SH=sqrt( (i*TH2-pow(TH,2))/i/(i-1));
printf("=======================\n");
printf(" TD=%10.1f    TH=%10.1f\n",TD,TH);
printf(" AD=%10.1f    AH=%10.1f\n",AD,AH);
printf(" SD=%10.1f    SH=%10.1f\n",SD,SH);
fprintf(f3," TD=%10.1f    TH=%10.1f\n",TD,TH);
fprintf(f3," AD=%10.1f    AH=%10.1f\n",AD,AH);
fprintf(f3," SD=%10.1f    SH=%10.1f\n",SD,SH);

  fclose(f1);
  fclose(f2);
  fclose(f3);
  return(0);
  }





綠色ㄉ部分是寫入到a1101.txt
紅色ㄉ部分是讀a1101.txt輸出到銀幕
藍色ㄉ部分是輸出到檔案a1102.txt

TD TH 總合
AD AH 平均
SD SH 標準差

有錯ㄉ地方請更正~
※ 編輯: thorstan1234    來自: 140.112.244.186      (03/30 16:48)
※ 編輯: thorstan1234    來自: 140.112.244.186      (03/30 16:58)
→ doobee:都看不懂耶~~~我完了
→ lro:咪吐
→ thorstan1234:基本上...藍色ㄉ應該不用拉  可以都省略~!