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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. inline int power(int a, int b) {
  6.     int x = 1;
  7.     while (b) {
  8.         if (b & 1) x *= a;
  9.         a *= a;
  10.         b >>= 1;
  11.     }
  12.     return x;
  13. }
  14.  
  15.  
  16. const int M = 1000000007;
  17. const int N = 3e5+9;
  18. const int INF = 2e9+1;
  19. const int LINF = 2000000000000000001;
  20.  
  21. //_ ***************************** START Below *******************************
  22.  
  23.  
  24.  
  25. vector<int> a;
  26. vector<int> b;
  27.  
  28. void consistency(int n, int k) {
  29.  
  30. 	//* Assuming a[0] < b[0]
  31. 	int i=0, j=n-1;
  32.  
  33. 	int maxSum = 0;
  34. 	int x = -1, y = -1;
  35.  
  36. 	while(i<n && j>=0){
  37. 	    int sum = a[i] + b[j];
  38. 	    if(sum <= k){
  39. 	    	if(sum>maxSum){
  40. 	    		maxSum = sum;
  41. 	    		x = i;
  42. 	    		y = j;
  43. 	    	}
  44. 	        i++;
  45. 	    }
  46. 	    else if(sum >= k){
  47. 	        j--;
  48. 	    }
  49. 	}	
  50.  
  51. 	cout << maxSum << " => " << a[x] << " , " << b[y] << endl;
  52.  
  53. }
  54.  
  55.  
  56. void solve() {
  57.  
  58.     int n, k;
  59.     cin >> n >> k ;
  60.     a.resize(n);
  61.     b.resize(n);
  62.     for(int i=0; i<n; i++) cin >> a[i];
  63.     for(int i=0; i<n; i++) cin >> b[i];
  64.  
  65.     consistency(n, k);
  66.  
  67. }
  68.  
  69.  
  70.  
  71.  
  72.  
  73. int32_t main() {
  74.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  75.  
  76.     int t = 1;
  77.     // cin >> t;
  78.     while (t--) {
  79.         solve();
  80.     }
  81.  
  82.     return 0;
  83. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin 
5 11
2 5 8 10 15
3 5 8 8 10
stdout 
11 => 8 , 3
https://ideone.com/OPCYDi
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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