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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #define ms(s,n) memset(s,n,sizeof(s))
  5. #define all(a) a.begin(),a.end()
  6. #define present(t, x) (t.find(x) != t.end())
  7. #define sz(a) int((a).size())
  8. #define FOR(i, a, b) for (int i = (a); i < (b); ++i)
  9. #define FORd(i, a, b) for (int i = (a) - 1; i >= (b); --i)
  10. #define pb push_back
  11. #define pf push_front
  12. #define fi first
  13. #define se second
  14. #define mp make_pair
  15.  
  16. typedef long long ll;
  17. typedef unsigned long long ull;
  18. typedef long double ld;
  19. typedef pair<int,int> pi;
  20. typedef vector<int> vi;
  21. typedef vector<pi> vii;
  22.  
  23. const int MOD = (int) 1e9+7;
  24. const int INF = (int) 1e9+1;
  25. inline ll gcd(ll a,ll b){ll r;while(b){r=a%b;a=b;b=r;}return a;}
  26. inline ll lcm(ll a,ll b){return a/gcd(a,b)*b;}
  27.  
  28. int solve(int a[], int l, int r, int x){
  29. 	int res = - 1;
  30. 	while(l <= r){
  31. 		int m = (l + r) / 2;
  32. 		if(a[m] <= x){
  33. 			res = a[m];
  34. 			l = m + 1;
  35. 		}
  36. 		else{
  37. 			r = m - 1;
  38. 		}
  39. 	}
  40. 	return res;
  41. }
  42.  
  43.  
  44. void TC(){
  45. 	int n, m; cin >> n >> m;
  46. 	multiset<int> ms;
  47. 	for(int i = 0; i < n; i++){
  48. 		int x; cin >> x;
  49. 		ms.insert(x);
  50. 	}
  51. 	for(int i = 0; i < m; i++){
  52. 		int x; cin >> x;
  53. 		auto it = ms.upper_bound(x);
  54. 		if(it==ms.begin()){
  55. 			cout <<"-1\n";
  56. 		}
  57. 		else{
  58. 			int x = *(--it);
  59. 			cout << x << endl;
  60. 			ms.erase(it);
  61. 		}
  62. 	}
  63. }
  64.  
  65. int main(){
  66. 	//freopen("input.txt","r", stdin);
  67. 	//freopen("output.txt","w",stdout);
  68. 	ios::sync_with_stdio(false);
  69. 	cin.tie(nullptr);
  70. 	int t; t = 1;
  71. 	while(t--){
  72. 		TC();
  73. 	}
  74. }
Success #stdin #stdout 0s 5668KB
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https://ideone.com/lc5Psa
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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