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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4. string a,b,c;
  5. int dp[10][10][10][10];
  6. char output[10];
  7.  
  8. int maximum(int a, int b, int c, int d) {
  9. int ans1 = a > b ? a : b;
  10. int ans2 = c > d ? c : d;
  11. int finalans = ans1 > ans2 ? ans1 : ans2;	
  12. 	return finalans;
  13. }
  14.  
  15.  
  16. int helper(string s) {
  17. 	        // to return number of zeroes in a string
  18. 	        	int count = 0;
  19. 	for(int i =0; i<10; ++i) {
  20.  
  21. 		if(s[i] == '1') {
  22. 			++count;
  23. 		}
  24. 	}	
  25. 	return count;	
  26. }
  27.  
  28. bool any_two_zero(int a,int b,int c, int& x) {
  29. 	if(a==0 && b==0 && c != 0) {
  30. 		x = c; return true;
  31. 	}
  32. 	if(b==0 && c==0 && a != 0) {
  33. 		x = a; return true;
  34. 	}
  35. 	if(c==0 && a==0 && b != 0) {
  36. 		x = b; return true;
  37. 	}
  38. }
  39.  
  40. bool only_onezero(int a,int b, int c) {
  41.  
  42. 	if(a==0 || b==0 || c==0) return true;	
  43. }
  44.  
  45.  
  46. int  f(int i, int a, int b, int c) {
  47.  
  48. 	if(i==10) {
  49. 		return 0; 
  50. 	}
  51. 	if(dp[i][a][b][c] != -1) return dp[i][a][b][c];
  52.    if(a==0 && b==0 && c==0) {
  53.    	return dp[i][a][b][c] = 0;
  54.    }
  55.    int x = 0;
  56.    if(any_two_zero(a,b,c, x)) {
  57.    	return dp[i][a][b][c] = x;
  58.    }
  59.    if(only_onezero(a,b,c)) {
  60.    	if(a==0 && b != 0 && c != 0) {
  61.    	    return	dp[i][a][b][c] = 1 + max(f(i+1,a,b-1,c), f(i+1,a,b,c-1));
  62. 	   }
  63. 	   if(a !=0 && b == 0 && c != 0) {
  64.    	    return	dp[i][a][b][c] = 1 + max(f(i+1,a-1,b,c), f(i+1,a,b,c-1));
  65. 	   }
  66. 	   if(a !=0 && b != 0 && c == 0) {
  67.    	    return	dp[i][a][b][c] = 1 +  max(f(i+1,a-1,b,c), f(i+1,a,b-1,c));
  68. 	   }
  69.  
  70.    }
  71.  
  72. 	if(a >0 && b >0 && c >0) {
  73. 		return dp[i][a][b][c] = 1 + maximum(f(i+1,a-1,b-1,c-1), f(i+1,a-1,b,c), f(i+1,a,b,c-1),f(i+1,a,b-1,c));
  74. 	}
  75.  
  76. }
  77.  
  78.  
  79. int main() {
  80.  
  81. 	int t; cin>>t;
  82. 	while(t--) {
  83. 		memset(dp, -1, sizeof dp);
  84.  
  85. 		cin>>a>>b>>c;
  86. 		int x = helper(a);
  87. 		int y = helper(b);
  88. 		int z = helper(c);
  89. 		int ans = f(0,x,y,z);
  90.  
  91. 		cout<<ans;
  92.  
  93. 	}
  94. }
Success #stdin #stdout 0.01s 4500KB
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https://ideone.com/jgiUPX
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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