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  1. /*
  2. 	Solution By - Amrutansu Garanaik
  3. 	Codechef ID - dragonemperor
  4. */
  5.  
  6.  
  7. #include<stdio.h>
  8. #include<string.h>
  9. #define MAX 1000
  10. char ip1[MAX],ip2[MAX],ip3[MAX],ip4[MAX];
  11. int maximum(int a,int b,int c,int d)
  12. {
  13. 	int max=a;
  14. 	if(b>max)
  15. 		max=b;
  16. 	if(c>max)
  17. 		max=c;
  18. 	if(d>max)
  19. 		max=d;
  20. 	return max;
  21. }
  22. int main()
  23. {
  24.  
  25. 	int test, len1, len2, len3, len4;
  26. 	scanf("%d",&test);
  27. 	while(test--)
  28. 	{
  29. 		scanf("%s%s%s%s",ip1,ip2,ip3,ip4);
  30. 		//printf("%s\t%s\t%s\t%s\n",ip1,ip2,ip3,ip4);
  31. 		len1=strlen(ip1);
  32. 		len2=strlen(ip2);
  33. 		len3=strlen(ip3);
  34. 		len4=strlen(ip4);
  35.  
  36. 		int edit[len1+1][len2+1][len3+1][len4+1];
  37.  
  38. 		for(int i=0;i<=len1;i++)
  39. 		for(int j=0;j<=len2;j++)
  40. 		for(int k=0;k<=len3;k++)
  41. 		for(int l=0;l<=len4;l++)
  42. 		{
  43. 			if(i==0 || j==0 || k==0 || l==0)
  44. 				edit[i][j][k][l]=0;
  45. 			else
  46. 			{
  47. 				if((ip1[i-1]==ip2[j-1]) && (ip1[i-1]==ip3[k-1])  &&  (ip1[i-1]==ip4[l-1]) )
  48. 				{
  49. 					edit[i][j][k][l]=edit[i-1][j-1][k-1][l-1]+1;
  50. 				}
  51. 				else
  52. 					edit[i][j][k][l]=maximum(edit[i-1][j][k][l],edit[i][j-1][k][l],edit[i][j][k-1][l],edit[i][j][k][l-1]);
  53. 			}
  54. 		}
  55. 		//printf("%d\n",edit[len1][len2][len3][len4]);
  56. 		printf("%d\n",len1+len2+len3+len4-4*edit[len1][len2][len3][len4]);
  57. 	}
  58. 	return 0;
  59. }
Runtime error #stdin #stdout 0.01s 2736KB
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https://ideone.com/AVQFbn
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
public

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