Submission #229300

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
229300	2020-05-04T06:57:34 Z	534351	Lokahian Relics (FXCUP4_lokahia)	C++17	0 / 100	6 ms	640 KB

lokahia

#include "lokahia.h"
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
    if (a > b) a = b;
}

template<class T, class U>
void ckmax(T &a, U b)
{
    if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define SZ(x) ((int) (x).size())
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;

map<int, int> mp[213];

int ask(int i, int j)
{
    if (i == j) return i;
    if (mp[i].count(j))
    {
        return mp[i][j];
    }
    int res = CollectRelics(i, j);
    mp[i][j] = res;
    mp[j][i] = res;
    // cerr << "ask " << i << ' ' << j << " = " << res << endl;
    return res;
}
int FindBase(int N)
{
    vi bucket, lis;
	FOR(i, 0, N)
	{
		if (!lis.empty() && ask(lis.back(), i) != -1)
		{
			bucket.PB(i);
			continue;
		}
		else
		{
			lis.PB(i);
			if (!bucket.empty())
			{
				lis.PB(bucket.back());
				bucket.pop_back();
			}
		}
	}
    int cand = lis.back();
    // for (int x : lis)
    // {
    //     cerr << x << ' ';
    // }
    // cerr << endl;
    // cerr << "cand = " << bucket.back() << endl;
    vi todo;
    int maj = cand, num = 0;
	while(!lis.empty())
	{
        int n = ask(cand, lis.back());
        if (n == -1)
        {
            lis.pop_back();
            if (bucket.empty())
            {
                break;
            }
            bucket.pop_back();
        }
        else
        {
            if (n == maj)
            {
                num++;
            }
            else
            {
                num--;
                if (num == -1)
                {
                    num = 1;
                    maj = n;
                }
            }
            if (SZ(lis) == 1)
            {
                bucket.PB(lis.back());
                lis.pop_back();
            }
            else
            {
                lis.pop_back();
                todo.PB(lis.back());
                lis.pop_back();
            }
        }
	}
    if (bucket.empty()) return -1;
    for (int w : todo)
    {
        int nn = ask(cand, w);
        if (nn == maj)
        {
            num++;
        }
        else
        {
            num--;
            if (num == -1)
            {
                num = 1;
                maj = nn;
            }
        }
    }
    for (int w : bucket)
    {
        int nn = ask(cand, w);
        if (nn == maj)
        {
            num++;
        }
        else
        {
            num--;
            if (num == -1)
            {
                num = 1;
                maj = nn;
            }
        }
    }
    // cerr << "cand = " << cand << " maj = " << maj << endl;
    return maj;
}

Subtask #1

0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	640 KB	Correct : C = 199
2	Correct	5 ms	640 KB	Correct : C = 198
3	Correct	5 ms	512 KB	Correct : C = 0
4	Incorrect	5 ms	640 KB	Wrong
5	Correct	5 ms	640 KB	Correct : C = 200
6	Correct	5 ms	640 KB	Correct : C = 177
7	Correct	5 ms	640 KB	Correct : C = 296
8	Correct	5 ms	640 KB	Correct : C = 234
9	Partially correct	5 ms	640 KB	Partially correct : C = 397
10	Incorrect	5 ms	640 KB	Wrong
11	Correct	5 ms	640 KB	Correct : C = 119
12	Incorrect	5 ms	640 KB	Wrong
13	Correct	5 ms	640 KB	Correct : C = 199
14	Correct	5 ms	640 KB	Correct : C = 119
15	Partially correct	5 ms	640 KB	Partially correct : C = 395
16	Correct	5 ms	640 KB	Correct : C = 236
17	Partially correct	5 ms	640 KB	Partially correct : C = 396
18	Correct	5 ms	640 KB	Correct : C = 119
19	Correct	5 ms	640 KB	Correct : C = 298
20	Correct	5 ms	640 KB	Correct : C = 200
21	Correct	5 ms	640 KB	Correct : C = 118
22	Correct	6 ms	640 KB	Correct : C = 279
23	Correct	5 ms	640 KB	Correct : C = 199
24	Correct	5 ms	512 KB	Correct : C = 4
25	Partially correct	5 ms	640 KB	Partially correct : C = 395
26	Incorrect	6 ms	640 KB	Wrong
27	Correct	5 ms	640 KB	Correct : C = 120