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  1. #include "bits/stdc++.h"
  2. using namespace std;
  3. const int N = 505;
  4. int t;
  5. int n;
  6. int arr[N];
  7. bitset < N * N > bit;
  8. int solve(vector < int > &v){
  9. 	int sum = 0;
  10. 	for(int x : v){
  11. 		sum += x;
  12. 	}
  13. 	bit.reset();
  14. 	bit.set(0);
  15. 	for(int x : v){
  16. 		bit |= (bit << x);
  17. 	}
  18. 	int ans = sum;
  19. 	for(int i = 0 ; i < sum ; ++i){
  20. 		if(bit.test(i)){
  21. 			ans = min(ans , abs(i - (sum - i)));
  22. 		}
  23. 	}
  24. 	return ans;
  25. }
  26. int main(){
  27. 	scanf("%d" , &t);
  28. 	while(t--){
  29. 		scanf("%d" , &n);
  30. 		char ty[3];
  31. 		for(int i = 0 ; i < n ; ++i){
  32. 			scanf("%d %s" , arr + i , ty);
  33. 		}
  34. 		scanf("%d" , &arr[n]);
  35. 		if(n <= 2){
  36. 			printf("NO\n");
  37. 			continue;
  38. 		}
  39. 		vector < int > v1;
  40. 		vector < int > v2;
  41. 		v1.clear();
  42. 		v2.clear();
  43. 		for(int i = 0 ; i <= n ; i += 2){
  44. 			v1.emplace_back(arr[i]);
  45. 		}
  46. 		for(int i = 1 ; i <= n ; i += 2){
  47. 			v2.emplace_back(arr[i]);
  48. 		}
  49. 		printf("%d\n" , solve(v1) + solve(v2));
  50. 	}
  51. }
Success #stdin #stdout 0s 3448KB
comments (?)
stdin 
CodeChef submission 10549991 (C++14) plaintext list. Status: AC, problem RWALK, contest SNCKEL16. By win_snackdown (win_snackdown), 2016-06-19 21:49:34.
stdout 
Standard output is empty
https://ideone.com/8YfcK2
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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