제출 #1281559

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1281559		KickingKun	Just Long Neckties (JOI20_ho_t1)	C++20	100 / 100	64 ms	7116 KiB

ho_t1

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ull unsigned long long
#define ld long double
#define bigint __int128
#define emb emplace_back
#define pb push_back
#define pii pair <int, int>
#define fi first
#define se second
#define all(v) v.begin(), v.end()
#define Task ""

#define MASK(k) (1ull << k)
#define bitcnt(k) __builtin_popcount(k)
#define testBit(n, k) ((n >> k) & 1)
#define flipBit(n, k) (n ^ (1ll << k))
#define offBit(n, k) (n & ~MASK(k))
#define onBit(n, k) (n | (1ll << k))

template <class T> bool minimize(T &a, T b) {if (a > b) {a = b; return true;} return false;}
template <class T> bool maximize(T &a, T b) {if (a < b) {a = b; return true;} return false;}

const int N = 2e5 + 5, lim = 60, mod = 1e9 + 7;
const ll INF = 1e18;

int n, b[N], maL[N], maR[N];
pii a[N];

int main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

	if (fopen(Task".inp", "r")) {
		freopen(Task".inp", "r", stdin);
		freopen(Task".out", "w", stdout);
	}

	cin >> n;
	for (int i = 1; i <= n + 1; i++) cin >> a[a[i].se = i].fi;
	for (int i = 1; i <= n; i++) cin >> b[i];
	sort (a + 1, a + n + 2);
	sort (b + 1, b + n + 1);

	for (int i = 1; i <= n; i++) maL[i] = max(maL[i - 1], a[i].fi - b[i]);
	for (int i = n + 1; i > 1; i--) maR[i] = max(maR[i + 1], a[i].fi - b[i - 1]);

	vector <int> ans(n + 2);
	for (int i = 1; i <= n + 1; i++)
		ans[a[i].se] = max(maL[i - 1], maR[i + 1]);
	
	for (int i = 1; i <= n + 1; i++)
		cout << ans[i] << ' ';
}

컴파일 시 표준 에러 (stderr) 메시지

ho_t1.cpp: In function 'int main()':
ho_t1.cpp:36:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |                 freopen(Task".inp", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp:37:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |                 freopen(Task".out", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 8 / 8
• Subtask 3: 91 / 91