C Language Program To Display Barchart

#include           <stdio.h>

#include           <stdlib.h>

#include           <float.h>

#include           <graphics.h>

#include           <math.h>

#include           <conio.h>

#define            MAX        50

#define            SIZE   5

void barchart(float p[]);

void main(void)

{

  int              i;

  int              scores[SIZE];

  float            percents[SIZE];

  for (i = 0; i < SIZE; i++)

    {

    printf("\nEnter score between 0 and %d:  ", MAX);

    scanf("%d", &scores[i]);

    }

  for (i = 0; i < SIZE; i++)

    percents[i] = ((float) scores[i]) / MAX;

  printf("\n\n\n\tSCORE\tPERCENT");

  for (i = 0; i < SIZE; i++)

    printf("\n%d. \t%d\t%3.0f", i + 1, scores[i], (percents[i] * 100));

  getch();

  barchart(percents);

}

void barchart(float p[])

{

  int   g_driver, g_mode;

  int   i, left, top, wide, bottom, deep;

  detectgraph(&g_driver, &g_mode);

  initgraph(&g_driver, &g_mode, "..\\bgi");

  wide = (int)((getmaxx()) / ((SIZE * 2 ) + 1));

  bottom = getmaxy() - 20;

  deep = (int) (wide / 4);

  left = wide;

  for (i = 0; i < SIZE; i++)

    {

    top = (bottom) - ((int)(p[i] * 300));

    setcolor(5);

    bar3d(left, top, (left + wide), bottom, deep, 1);

    left += (wide * 2);

    }

  getch();

  closegraph();

  return;

}

Sample Input :
Enter score between 0 and 50:  5
Enter score between 0 and 50:  6
Enter score between 0 and 50:  45
Enter score between 0 and 50:  3
Enter score between 0 and 50:  1

        SCORE   PERCENT
1.      5        10
2.      6        12
3.      45       90
4.      3         6
5.      1         2

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