Submission #1252541

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252541		al95ireyiz	Table Tennis (info1cup20_tabletennis)	C++20	20 / 100	18 ms	3140 KiB

tabletennis

//*** Bismillah ***//
#pragma GCC optimize("O3", "fast-math", "unroll-loops", "no-stack-protector")
#include <bits/stdc++.h>
using namespace std;
#if !defined(ONLINE_JUDGE) and !defined(EVAL)
#include "template/debug.h"
#else
#define d(x...)
#endif
#define fr first
#define er erase
#define sc second
#define in insert
#define ll long long
#define pb push_back
#define vll vector<ll>
#define pll pair<ll,ll>
#define ull unsigned ll
#define vpll vector<pll>
#define len(x) (ll) x.size()
#define all(x) x.begin(),x.end()
const ll INF = 1e9;
const ll INFL = 1e18;
const ll MOD = 1e9+7;
// const ll MOD = 998244353;
const ll maxn = 2e5+5;
ll n,m,k=0;
ll a[maxn], say[maxn];
void _(ll &tt){
    cin >> n >> m;
    for(ll i = 1; i <= n + m; i ++){
        cin >> a[i];
    }
    sort(a + 1, a + n + 1);
    // ind == 1:
    ll l = 2, r = n + m, f = 1;
    while(l < r){
        if(a[l] + a[r] != a[2] + a[n + m]){
            f = 0;
            break;
        }
        l ++, r --;
    }
    if(f){
        for(ll i = 2; i <= n + m; i ++) cout << a[i] << ' ';
        return;
    }
    // ind == n + m:
    l = 1, r = n + m - 1, f = 1;
    while(l < r){
        if(a[l] + a[r] != a[1] + a[n + m - 1]){
            f = 0;
            break;
        }
        l ++, r --;
    }
    if(f){
        for(ll i = 1; i <= n + m - 1; i ++) cout << a[i] << ' ';
        return;
    }
    pll p = {-1, -1};
    l = 1, r = n + m;
    while(l < r){
        if(a[l] + a[r] != a[1] + a[n + m]){
            p = {l, r};
            break;
        }
        l ++, r --;
    }
    if(p.fr == -1){
        for(ll i = 1; i <= n + m; i ++) if(i != l) cout << a[i] << ' ';
        return;
    }
    // l
    l = 1, r = n + m, f = 1;
    while(l < r){
        if(l == p.fr){
            l ++;
            continue;
        }
        if(a[l] + a[r] != a[1] + a[n + m]){
            f = 0;
            break;
        }
        l ++, r --;
    }
    if(f){
        for(ll i = 1; i <= n + m; i ++) if(p.fr != i) cout << a[i] << ' ';
    }
    else{
        for(ll i = 1; i <= n + m; i ++) if(p.sc != i) cout << a[i] << ' ';
    }
}
signed main() {
    ll tm = clock();
    cin.tie(0)->sync_with_stdio(0);
    ll t = 1;
    // cin >> t;
    for(ll tt = 1; tt <= t; tt ++) {
        _(tt);
    }
    cerr << "\n\033[1;31mTime: \033[1;30m" \
         << (double)(clock()-tm)/1000000 << "\033[1;32m seconds\n";
}

• 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