Question

In: Computer Science

Can't figure out what I am doing wrong. Please let me know. Sample output: Please enter...

Can't figure out what I am doing wrong.

Please let me know.

Sample output:

Please enter the name of the weather data file: temperatures.txt

Tell me about your crew’s preferred temperature for sailing:

What is the coldest temperature they can sail in? 60

What is the hottest temperature they can sail in? 80

Month 1: 93.3 percent of days in range.

Month 2: 20.0 percent of days in range.

Month 3: 58.1 percent of days in range.

Month 4: 100.0 percent of days in range.

Month 5: 100.0 percent of days in range.

Month 6: 50.0 percent of days in range.

Month 7: 64.5 percent of days in range.

Month 8: 9.7 percent of days in range.

Month 9: 60.0 percent of days in range.

Month 10: 100.0 percent of days in range.

Month 11: 93.3 percent of days in range.

Month 12: 83.9 percent of days in range.

You should leave for the Caribbean in month 4!

Numbers for the file:

15

63.4

66.1

67.2

58.5

61.9

68.2

65.3

70.0

72.9

71.8

70.1

70.3

69.5

66.1

70.8

5

56.5

57.1

55.0

58.0

66.2

31

54.0

53.2

46.6

47.4

56.7

62.6

53.7

57.5

60.7

65.7

66.0

67.8

62.3

58.3

55.6

60.2

62.8

70.5

72.9

71.0

61.8

61.6

71.2

73.0

68.6

56.6

51.2

56.0

59.7

62.1

69.2

20

72.3

72.8

71.5

71.3

69.4

64.6

68.7

70.6

72.5

72.2

78.0

78.6

77.4

75.4

69.3

77.3

74.2

75.7

79.9

72.2

30

72.8

70.9

72.7

73.0

71.8

69.6

61.3

71.7

73.4

76.6

77.5

77.3

76.1

71.5

72.4

73.7

75.0

77.8

77.1

77.3

73.5

74.7

78.2

78.8

78.2

73.6

69.3

76.9

76.0

78.5

30

79.2

80.3

78.9

78.7

75.8

75.6

78.4

80.0

78.1

80.7

79.4

79.9

81.9

82.2

82.0

81.0

80.8

81.3

82.4

80.7

78.0

82.3

77.7

81.6

81.7

80.7

79.0

80.4

79.1

78.2

31

76.4

76.2

78.1

78.9

80.4

81.8

82.4

82.4

82.1

80.8

80.3

78.7

78.2

77.5

77.5

78.1

79.3

78.6

77.3

77.6

80.1

79.3

78.6

79.7

79.9

81.6

78.0

79.6

79.9

83.0

82.2

31

81.1

81.9

81.6

80.0

82.7

81.2

83.6

83.0

82.0

82.3

83.6

83.1

83.6

82.5

81.7

82.2

82.8

82.3

81.8

83.0

83.1

80.4

81.8

80.2

79.0

79.9

80.8

80.3

81.6

82.6

81.2

30

79.9

78.8

79.6

80.9

81.3

80.6

77.8

80.9

81.7

81.8

81.8

79.7

79.7

82.5

81.7

80.2

80.5

78.1

79.3

78.7

78.7

79.1

77.1

77.5

76.7

80.6

76.0

76.8

78.0

77.8

31

79.1

78.5

78.7

79.5

79.5

79.2

77.1

78.9

75.5

74.6

74.9

75.8

76.1

76.0

73.2

76.9

77.4

78.4

79.0

76.5

79.8

79.6

76.8

67.8

68.3

67.5

67.1

68.5

71.8

74.1

75.3

30

77.1

71.3

67.2

68.7

73.2

74.2

70.1

70.8

70.5

72.0

72.1

71.1

64.8

62.7

68.1

70.7

75.1

75.9

73.8

71.7

73.1

73.9

73.7

67.9

67.1

72.7

69.7

50.6

59.5

64.5

31

66.1

66.1

65.8

69.6

71.4

74.1

73.2

72.8

73.1

71.8

72.0

65.9

60.0

69.7

70.9

59.3

57.1

58.4

59.1

65.8

72.7

75.0

74.7

68.6

58.8

64.6

65.2

70.1

73.4

65.2

62.3

#include <stdio.h>
#include <stdlib.h>

#define MONTHS 12
#define DAYS 31

// Main Function
int main(void){

FILE* f;

// Declared Variables
int month, day, low, high, sailmonth[12], temperature, besttime, i, j;
float array[MONTHS][DAYS],num, sum, average;
char data[30];

printf("Please enter the name of the weather data file:/n");
scanf("%s", data);

printf("Tell me about your crew’s preferred temperature for sailing:/n");

printf("What is the coldest temperature they can sail in?/n");
scanf("%d", &low);

printf("What is the hottest temperature they can sail in?/n");
scanf("%d", &high);

if((f = fopen(data, "r")) == NULL)
exit(1);
for(months = 0; months < 12; months++){
for (day = 0; day ,31; day++){
if(fscanf(f, "%f", &array[months][days]) != 1)
exit(1);
fclose(f);
}
}
for (months = 0; months < 12; months++)
{
sum = 0
num = array[months][0];
for (days = 1; days <31; days++)
{
if (array[months][days] >= low && array[months][days] <= high)

{


printf("%f", array[months][months]);
sum = sum + array[months][months];
}
}
}

average = sum/num:
printf("Month %d: %f percent of days in range.", average, month);
sailmonth[month] = int (average);

for (i = 0; i < 12; i++)
{
besttime = 0;
for (j = i + 1; j < 12; j++)
{
if (sailmonth[i] > sailmonth[j])
{
temperature = sailmonth[i];
sailmonth[i] = sailmonth[j];
sailmonth[j] = temperature;
besttime = i;
}
}
}

printf("You should leave for the Carribean in month %d.", besttime);
return 0;
}

Solutions

Expert Solution

Importing data from a text file and then working on it , definitely a nice work and code has been nicely written too ....
But what you missed was the few typing errors , and to sort out that , Indenting the code is the best approach

1. At line no. 20 :-> In the for loop it was used "day" while "days" was initialized because whatever indexing variable one is using the array only that variabe should be used . Also it was written "day=30;day,31;day++" but it should be "days=0;days<31;days++".

2. At line 28 :-> A semicolon was missed . "sum = 0" typo error as "sum = 0;" was required

3. At line 40. :-> Same mistake of typo error . "average = sum/num:"

4. At one place the closing bracket was placed 3 lines earlier resulting in "printf("Month %d: %f percent of days in range.", average, month);" printing only once , while it was intended to print in the loop
Hence, At line 39 :-> The closing braacket was placed "}" while this bracket should have come after line 42.

Code For refrencing line numbers : (I have indented the code as it always helps me out)

1. #include <stdio.h>
2. #include <stdlib.h>
  
3. #define MONTHS 12
4. #define DAYS 31
  
// Main Function
5. int main(void){
  
6. FILE* f;
  
// Declared Variables
7. int month, day, low, high, sailmonth[12], temperature, besttime, i, j;
8. float array[MONTHS][DAYS],num, sum, average;
9. char data[30];
  
10. printf("Please enter the name of the weather data file:/n");
11. scanf("%s", data);
  
12. printf("Tell me about your crew’s preferred temperature for sailing:/n");
  
13. printf("What is the coldest temperature they can sail in?/n");
14. scanf("%d", &low);
  
15. printf("What is the hottest temperature they can sail in?/n");
16. scanf("%d", &high);
  
17. if((f = fopen(data, "r")) == NULL)
18. exit(1);

19. for(months = 0; months < 12; months++){
20. for (day = 0; day ,31; day++){ ******************
21. if(fscanf(f, "%f", &array[months][days]) != 1) ********************
22. exit(1);
23. fclose(f);
24. }
25. }

26. for (months = 0; months < 12; months++)
27. {
28. sum = 0 *******************
29. num = array[months][0];
30. for (days = 1; days <31; days++)
31. {
32. if (array[months][days] >= low && array[months][days] <= high)
33.
34. {
35. printf("%f", array[months][months]);
36. sum = sum + array[months][months];
37. }
38. }
39. } ****************
  
40. average = sum/num: ***************
41. printf("Month %d: %f percent of days in range.", average, month);
42. sailmonth[month] = int (average);
  
****************
  
43. for (i = 0; i < 12; i++)
44. {
45. besttime = 0;
46. for (j = i + 1; j < 12; j++)
47. {
48. if (sailmonth[i] > sailmonth[j])
49. {
50. temperature = sailmonth[i];
51. sailmonth[i] = sailmonth[j];
52. sailmonth[j] = temperature;
53. besttime = i;
54. }
55. }
56. }
  
57. printf("You should leave for the Carribean in month %d.", besttime);
58. return 0;
59. }

Hope , It helps you out. If still stuck do comment please


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