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  1. // Safaa_Eek 305073363 Enas_Bisharat 200686129 
  2. package main
  3.  
  4. import (
  5. 	"fmt"
  6. 	)
  7.  
  8. //we define an array of elems, each elem is a struct and has two fields:
  9. //one for the letter and the second is for the instances.
  10. type elem struct {
  11.         index byte
  12.         n int
  13. }
  14.  
  15. //this function recieve "byte"(a letter)and return the lower case of the letter 
  16. func ToLower( c byte) byte{
  17. 		if c >= 'A' && c<='Z'{
  18. 			return c-'A'+'a'
  19. 		}
  20. 		return c
  21. }
  22.  
  23. //this function recieve "byte"(a letter)and return the upper case of the letter 
  24. func ToUpper( c byte) byte{
  25. 		if c >= 'a' && c<='z'{
  26. 			return c-'a'+'A'
  27. 		}
  28. 		return c
  29.  
  30. } 
  31.  
  32.  
  33.  
  34. func main() {
  35.         var c byte
  36.         var count [26]elem        
  37. 		var temp elem
  38.  
  39. 		//define the array of elems, the index field has the letter,(sorted 
  40. 		//from a to z) and the instances field is 0 at the beggining and then 
  41. 		//it will be the number of the instances of each letter
  42. 		for i := 0; i<26; i++ {
  43. 		count[i].index = byte('a'+i)
  44. 		count[i].n = 0
  45. 		}	
  46.  
  47.         //recieve letters until "enter" is recieved for the first time
  48.     	for {
  49. 		fmt.Scanf("%c",&c)
  50. 		if c == '\n' { break }
  51. 		c = ToLower(c)
  52. 		//get the lower case of the letter and we see if it is legal
  53. 		//(between a and z)
  54. 		if c>='a' && c<='z' {
  55. 		//update our array in the right place.. we add 1 the instances field 
  56. 				count[c-'a'].n +=1	
  57.  
  58. 			}
  59. 		}        
  60.  
  61. 	//and now we sort our array, by finding the maximum in each iteration 
  62.     //and put it in the right place (replace elems) 
  63. 	for i:=0; i<26 ; i++ {
  64. 		for j:=i+1; j<26 ; j++{
  65. 			if count[i].n < count[j].n {
  66. 				temp = count[i]
  67. 				count[i]=count[j]
  68. 				count[j]=temp
  69. 			}
  70. 		}
  71. 	}	
  72. 	//print the unempty places in our array(the letters that have been recieved)
  73.  	for i:=0 ; i<26 ; i++ {	
  74. 		if count[i].n != 0{	
  75. 		fmt.Println(string(count[i].index), "/",string(ToUpper(count[i].index)),
  76. 			"    ", count[i].n)
  77. 		}
  78. 	}
  79. }
  80.  
Time limit exceeded #stdin #stdout 5s 3120KB
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https://ideone.com/93BRl
language:
Go (go 1.12.1)
created:
14 years ago
visibility:
public

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