Submission #524322

#	Time	Username	Problem	Language	Result	Execution time	Memory
524322		iskhakkutbilim	Table Tennis (info1cup20_tabletennis)	C++14	0 / 100	3093 ms	4180 KiB

tabletennis

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

typedef tree <int, null_type, less<int>, rb_tree_tag, 
	tree_order_statistics_node_update> ordered_set;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n, k; cin >> n >> k;
	vector<int> a(n+k);
	for(int i = 0;i < n+k; i++){
		cin >> a[i];
	}
	for(int j = 0; j + n < n + k; j++){
		int m = j + n;
		for(int mask = 0; mask < (1 << (m)); mask++){
			vector<int> sub;
			int c1 = 0, c2 = 0;
			for(int i = j;i < m; i++){
				sub.push_back(a[i]);
				if(mask & (1 << i)){
					
					c1+= a[i];
				}else c2+= a[i];
			}
			if(c1 == c2){
				for(auto x : sub) cout << x << " ";
				return 0;
			}
		}
	}
	 reverse(a.begin(), a.end());
	for(int j = 0; j + n < n + k; j++){
		int m = j + n;
		for(int mask = 0; mask < (1 << (m)); mask++){
			vector<int> sub;
			int c1 = 0, c2 = 0;
			for(int i = j;i < m; i++){
				sub.push_back(a[i]);
				if(mask & (1 << i)){
					
					c1+= a[i];
				}else c2+= a[i];
			}
			if(c1 == c2){
				for(auto x : sub) cout << x << " ";
				return 0;
			}
		}
	}
	if(n == 1) cout << a[0];
	random_shuffle(a.begin(), a.end());
	for(int j = 0; j + n < n + k; j++){
		int m = j + n;
		for(int mask = 0; mask < (1 << (m)); mask++){
			vector<int> sub;
			int c1 = 0, c2 = 0;
			for(int i = j;i < m; i++){
				sub.push_back(a[i]);
				if(mask & (1 << i)){
					
					c1+= a[i];
				}else c2+= a[i];
			}
			if(c1 == c2){
				for(auto x : sub) cout << x << " ";
				return 0;
			}
		}
	}
	return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 9
• Subtask 6: 0 / 14
• Subtask 7: 0 / 15
• Subtask 8: 0 / 13