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  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4. set<int>f[7];
  5. set<int>::iterator it;
  6. set<int>::iterator ite;
  7. int main(){
  8. 	int n,m,i,a,b,ans = 0;
  9. 	cin >> n >> m;
  10. 	for(i = 1;i <= n;i++){
  11. 		cin >> a >> b;
  12. 		it = f[a].end();
  13. 		for(ite = f[a].begin();ite != f[a].end();ite++){
  14. 			cout << *ite << endl;
  15. 		}
  16. 		if(f[a].empty() == true){
  17. 			ans++;
  18. 			f[a].insert(b);
  19. 			continue;
  20. 		}
  21. 		for(ite = f[a].begin();ite != f[a].end();ite++){
  22. 			cout << *ite << endl;
  23. 		}
  24. 		cout << *it;
  25. 		if(*it < b){
  26. 			if(b == 4) cout << *it << b << endl << endl << endl;
  27. 			f[a].insert(b);
  28. 			ans++;
  29. 			continue;
  30. 		}
  31. 		if(*it == b){
  32. 			if(b == 4) cout << *it << endl << endl << endl << endl;
  33. 			continue;
  34. 		}
  35. 		it = f[a].upper_bound(b);
  36. 		cout << *it;
  37. 		for(ite = f[a].end();ite != it;ite--){
  38. 			f[a].erase(ite);
  39. 			ans++;
  40. 		}
  41. 		f[a].erase(it,f[a].end());
  42. 		if(f[a].empty() == true){
  43. 			ans++;
  44. 			f[a].insert(b);
  45. 			continue;
  46. 		}
  47. 		it = f[a].end();
  48. 		if(*it == b){
  49. 			continue;
  50. 		}
  51. 		ans++;
  52. 		f[a].insert(b);
  53. 	}
  54. 	cout << ans
  55. 	;
  56. }
Success #stdin #stdout 0.01s 5508KB
comments (?)
stdin
copy 
7 15
1 5 
2 3 
2 5 
2 7 
2 4 
1 5 
1 3
stdout
copy 
3
3
13
5
3
5
23
5
7
3
5
7
334


5
5
15
5
17
https://ideone.com/sJ9WiA
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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