Submission #524631

#	Time	Username	Problem	Language	Result	Execution time	Memory
524631		maks007	Table Tennis (info1cup20_tabletennis)	C++14	20 / 100	30 ms	3756 KiB

tabletennis

#include <bits/stdc++.h>
 
using namespace std;
 #define break_it assert(false)
int main(void) {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, k;
	cin >> n >> k;
	vector <int> a(n+k);
	function <int(vector <int>)> check=[](vector <int> s) {
		int n = s.size();
		for(int i = 0; i < n; i ++) {
			int j = i + 1;
			if(j >= n or n - i - 1 < 0 or n - j - 1 < 0) break;
			if(s[i] + s[n-i-1] == s[j]+s[n-j-1]) continue;
			return 0;
		}
		return 1;
	};
	function <void(int, int)> solve=[&](int start, int end) {
		vector <int> fors;
		
		int sum = a[start] + a[end];
		int none = -1;
		int l = 0, r = n+k-1;
		while(l < r){
			if(a[l] + a[r] > sum) {
				if(none != -1) return;
				none = r;
				r--;
			}else if(a[l] + a[r] < sum) {
				if(none != -1) return;
				none = l;
				l ++;
			}
			l ++;
			r --;
		}
		if(none == -1) {
			none = (n+k)/2;
		}
		for(int i = 0; i <= n+k-1; i ++) {
			if(none == i) continue;
			fors.push_back(a[i]);
		}
		for(auto i : fors) cout << i << " ";
		exit(0);
	};	
	for(int i = 0; i < n+k; i ++) cin >> a[i];
	solve(0, n+k-1);
	solve(0, n+k-2);
	solve(1, n+k-1);
	break_it;
	return false;
}  

• Subtask 1: 11 / 11
• Subtask 2: 9 / 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