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  1. #include<stdio.h>
  2. #include<string.h>
  3. #define MAX 1000009
  4. char ip[MAX],temp[MAX];
  5. int main()
  6. {
  7. 	int test;
  8. 	scanf("%d",&test);
  9. 	while(test--)
  10. 	{
  11. 		scanf("%s",ip);
  12. 		int zero=0;
  13.  
  14.  
  15. 		int len=strlen(ip);
  16. 		for(int i=0;i<len;i++)
  17. 			if(ip[i]=='0')
  18. 			{
  19. 				zero++;
  20. 			}
  21. 			else
  22. 				break;
  23. 		if(zero==len)
  24. 		{
  25. 			printf("1\n");
  26. 			continue;
  27. 		}
  28. 		else
  29. 		{
  30. 			for(int i=0;i<len-zero;i++)
  31. 				ip[i]=ip[i+zero];
  32. 			ip[len-zero]='\0';
  33. 		}
  34. 		len=strlen(ip);
  35. 		strcpy(temp,ip);
  36. 		for(int i=0,j=len-1;i<j;i++,j--)
  37. 			ip[j]=ip[i];
  38. 		if(strcmp(ip,temp)>0)
  39. 			printf("%s\n",ip);
  40. 		else
  41. 		{
  42. 			int flag=0;
  43. 			for(int i=0;i<len;i++)
  44. 				if(ip[i]!='9')
  45. 				{
  46. 					flag=1;
  47. 					break;
  48. 				}
  49. 			if(flag==0)
  50. 			{
  51. 				printf("1");
  52. 				for(int i=1;i<len;i++)
  53. 					printf("0");
  54. 				printf("1\n");
  55. 			}
  56. 			else
  57. 			{
  58. 				int i=len/2;
  59. 				//i++;
  60. 				while(ip[i]=='9')
  61. 					i--;
  62. 				ip[i]++;
  63. 				if(i!=(len-1-i))
  64. 					ip[len-1-i]++;
  65. 				printf("%s\n",ip);
  66. 			}
  67. 		}
  68. 	}
  69. }
Success #stdin #stdout 0s 4112KB
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https://ideone.com/jKTHHb
language:
C99 (gcc 8.3)
created:
8 years ago
visibility:
public

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