fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5. 	int n, q;
  6. 	char ip[100005];
  7. 	bool a[100005], b[100005];
  8.  
  9. 	scanf("%d %d", &n, &q);
  10. 	scanf("%s", &ip);
  11.  
  12. 	for(int i=0; i<n; i++)
  13.         a[i]=ip[i]-'0';
  14.  
  15. 	scanf("%s", &ip);
  16. 	for(int i=0; i<n; i++)
  17.         b[i]=ip[i]-'0';
  18.  
  19. 	char str[10], val;
  20. 	int index, pos, i;
  21. 	bool carry;
  22. 	while(q--)
  23. 	{
  24. 		scanf("%s", str);
  25. 		scanf("%d", &index);
  26.         	pos = n-index-1;
  27. 		if(str[4] == 'a')
  28. 		{
  29. 			scanf(" %c", &val);
  30. 			a[pos] = val=='0'?false:true;
  31. 		}
  32. 		else if(str[4] == 'b')
  33. 		{
  34. 			scanf(" %c", &val);
  35. 			b[pos] = val=='0'?false:true;
  36. 		}
  37. 		else if(str[4] == 'c')
  38. 		{
  39. 		    i = pos+1;
  40. 			for(; i<n; i++)
  41. 			{
  42. 				if(!(a[i] ^ b[i]))
  43.                     break;
  44. 			}
  45.  
  46.             if(i==n)
  47.                 carry = false;
  48.             else if(a[i])
  49.                 carry=true;
  50.             else
  51.                 carry=false;
  52.  
  53.             if(index==n)
  54.                 printf("%d", carry);
  55.             else
  56.                 printf("%d", (a[pos]+b[pos]+carry)%2);
  57. 		}
  58. 	}
  59. 	return 0;
  60. }
  61.  
Success #stdin #stdout 0.01s 2896KB
comments (?)
stdin
copy 
5 5
00000
11111
set_a 0 1
get_c 5
get_c 1
set_b 2 0
get_c 5
stdout
copy 
100
https://ideone.com/LopZf
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!