제출 #525445

#제출 시각아이디문제언어결과실행 시간메모리
525445scwadrTable Tennis (info1cup20_tabletennis)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>
 
using namespace std;
 
int a[300000], ans[300000], anssize;
 
void check(int sum) 
{
	anssize = 0;
	int p = 0, l = 0, r = n + k - 1;
	while (l < r) 
    {
		if (a[l] + a[r] > sum) p++, r--;
		else if (a[l] + a[r] < sum) p++, l++;
		else 
        {
			if (anssize < n)
				ans[anssize++] = a[l], ans[anssize++] = a[r];
			l++, r--;
		}
		if (p > k) return;
	}
	sort(ans, ans + anssize);
	l = 0, r = anssize - 1;
	while (l <= r) 
    {
		cout << ans[l++] << ' ';
	}
}
 
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
 
	int n, k;
	cin >> n >> k;
	for (int i = 0; i < n + k; i++) 
    {
		cin >> a[i];
	}
	sort(a, a + n + k);
	for (int i = 0; i <= k; i++)
    {
		for (int j = max(i + 1, n - 1); j < n + k; j++) 
        {
			check(a[i] + a[j]);
		}
	}
 
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

tabletennis.cpp: In function 'void check(int)':
tabletennis.cpp:10:24: error: 'n' was not declared in this scope
   10 |  int p = 0, l = 0, r = n + k - 1;
      |                        ^
tabletennis.cpp:10:28: error: 'k' was not declared in this scope
   10 |  int p = 0, l = 0, r = n + k - 1;
      |                            ^