Submission #1006235

#	Time	Username	Problem	Language	Result	Execution time	Memory
1006235		phong	Just Long Neckties (JOI20_ho_t1)	C++17	100 / 100	69 ms	22612 KiB

ho_t1

#include<bits/stdc++.h>

#define ll long long
//#define int long long
const int nmax = 1e6 + 5, N = 100 + 2e5 + 2;
const ll oo = 1e9;
const int lg = 7, M = 4e3;
const int base = 2e5, mod = 998244353;
#define pii pair<ll, ll>
#define fi first
#define se second
#define endl "\n"
#define debug(a, n) for(int i = 1; i <= n; ++i) cout << a[i] << ' ';cout << endl
using namespace std;


int n;
pii a[nmax];
ll pre[nmax], suf[nmax], b[nmax];
ll ans[nmax];
main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    //    freopen("code.inp", "r", stdin);
    //    freopen("code.out", "w", stdout);
    cin >> n;
    for(int i = 1; i <= n + 1; ++i) cin >> a[i].fi, a[i].se = i;
    for(int i = 1; i <= n; ++i) cin >> b[i];
    sort(a + 1, a + 1 + n + 1);
    sort(b + 1, b + 1 + n);
    for(int i = 1; i <= n + 1; ++i){
        pre[i] = max(pre[i - 1], a[i].fi - b[i]);
    }
    for(int i = n + 1; i >= 1; --i){
        suf[i] = max(suf[i + 1], a[i].fi - b[i - 1]);
        ans[a[i].se] = max(pre[i - 1], suf[i + 1]);
    }
    debug(ans, n + 1);
}
/*
5
1 2
2 3
3 4
4 5
5 1




*/

Compilation message (stderr)

ho_t1.cpp:21:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      | ^~~~

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