제출 #1332903

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1332903		retarde	Just Long Neckties (JOI20_ho_t1)	C++20	100 / 100	70 ms	11748 KiB

ho_t1

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

#define pb push_back
#define pf push_front
#define mp make_pair
#define fi first
#define se second
#define int long long
#define all(x) (x).begin(), (x).end()

typedef long double ld;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<vector<bool>> vvb;
typedef vector<vector<ll>> vvll;
typedef vector<string> vs;
typedef vector<vector<string>> vvs;
typedef vector<char> vc;
typedef vector<vector<char>> vvc;
typedef map<int, int> mii;
typedef unordered_map<int, int> umii;

const int mod = 1e9 + 7;
const int inf = INTMAX_MAX;
const bool tc = false;

int fabs(int x) {
    if (x >= 0) return x;
    return (int)0;
}

inline void solve() {
    int n; cin >> n;
    vector<pii> a(n + 1); for (int i = 0; i < n + 1; i++) {cin >> a[i].fi; a[i].se = i;}
    vi b(n); for (int i = 0; i < n; i++) cin >> b[i];
    sort(all(a)); sort(all(b));

    vi c(n), d(n);
    for (int i = 0; i < n; i++) {c[i] = fabs(a[i].fi - b[i]); d[i] = fabs(a[i + 1].fi - b[i]);}
    for (int i = 1; i < n; i++) c[i] = max(c[i], c[i - 1]);
    for (int i = n - 2; i >= 0; i--) d[i] = max(d[i], d[i + 1]);

    vi ans(n + 1);
    ans[a[0].se] = d[0];
    for (int i = 1; i < n; i++) {
        ans[a[i].se] = max(c[i - 1], d[i]);
    }
    ans[a[n].se] = c[n - 1];

    for (auto &x : ans) cout << x << " ";
    cout << '\n';
}

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

signed main() {
    ios::sync_with_stdio(false);
    cout.tie(0);
    cin.tie(0);
    //setIO();

    int t = 1;
    if (tc) {
        cin >> t;
    }

    while (t--) {
        solve();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

ho_t1.cpp: In function 'void setIO(std::string)':
ho_t1.cpp:61:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t1.cpp:62:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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