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  1. #include<iostream>
  2. #include<stdio.h>
  3. #include<string>
  4. #include<cstdio>
  5. #include<stdlib.h>
  6. #include<math.h>
  7.  
  8. #include<algorithm>
  9. #include<cstring>
  10. using namespace std;
  11.  
  12. // z=26  az=52  bz=78  cz=104  dz=130  zz=26*26  aaa=26*26+1 aab=26*26+2
  13. // aaz 26*27  abz 26*28  acz 26*29  azz 26*   
  14.  
  15. int main()
  16. {
  17. 	char str[100],c;
  18. 	string newstr;
  19. 	int t,i,l,row,num;
  20. 	int x,sec;
  21. 	scanf("%d",&t);
  22. 	while(t--)
  23. 	{
  24. 		newstr.clear();
  25. 		scanf("%s",&str);
  26. 		int l=strlen(str);
  27. 		  row=0;    num=0;
  28. 								//  R23C1000
  29. 		if(str[0]=='R' && (str[1]-'0')>=0 && (str[1]-'0')<=9)
  30. 		{                                      int x=0;;
  31. 			for(i=l-1;i>=0;i--)
  32. 		    {	  if(str[i]=='C')  { sec=i;  break; }
  33. 		          num+=(str[i]-'0')*pow(10,x);            x++;
  34. 			}
  35. 			                                x=0;
  36. 			 for(i=sec-1;i>=0;i--)
  37. 			 {
  38. 				 if(str[i]=='R')  break;
  39. 				// cout<<i<<endl;
  40. 				 row+=(str[i]-'0')*pow(10,x);        x++;
  41. 			 }
  42.  
  43. 			 if(num%26==0)  {  newstr.push_back('Z');  num=num/26 - 1;  }
  44. 			 else           {  sec=num%26;   c=sec+64;   newstr.push_back(c);   num=num/26;    }
  45.  
  46. 			 while(num>0)
  47. 			 {
  48. 				 if(num==26)  
  49. 				    { newstr.push_back('Z');  break;   }
  50. 				 sec=num%26;
  51. 				 if(sec==0)  c='Z';
  52. 				 else        c=sec+64;
  53.  
  54. 				 newstr.push_back(c);
  55. 				 num=num/26;
  56. 			 }
  57.  
  58. 			 reverse(newstr.begin(),newstr.end());
  59. 			 cout<<newstr<<row<<endl;
  60. 		}
  61. 		                                 //  AAZ23
  62. 		else
  63. 		{
  64. 			x=0;
  65. 			for(i=strlen(str)-1;((str[i]-'0')>=0 && (str[i]-'0')<=9);i--)
  66. 			    {  row+=(str[i]-'0')*pow(10,x);   x++;   }
  67.  
  68. 				x=0;
  69. 			for(;i>=0;i--)
  70. 				{	num+=(str[i]-64)*pow(26,x);  x++;  }
  71.  
  72.  
  73. 		    printf("R%dC%d\n",row,num);
  74. 		}
  75. 	}
  76. 	return 0;
  77. }
Success #stdin #stdout 0s 3280KB
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stdin
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2
R23C55
BC23
stdout
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BC23
R23C55
https://ideone.com/25zz0L
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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