Submission #935523

#	Time	Username	Problem	Language	Result	Execution time	Memory
935523		Boycl07	Ancient Machine (JOI21_ancient_machine)	C++17	0 / 100	58 ms	9624 KiB

Anna

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

typedef long long ll;

#define rep(i, n) for(int i = 1; i <= n; ++i)
#define forn(i, l, r) for(int i = l; i <= r; ++i)
#define ford(i, r, l) for(int i = r; i >= l; --i)
#define FOR(i, n) for(int i = 0; i < n; ++i)
#define FORD(i, n) for(int i = n - 1; i >= 0; --i)
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define endl "\n"
#define task "skycrapers"
#define sz(a) int(a.size())
#define C(x, y) make_pair(x, y)
#define all(a) (a).begin(), (a).end()
#define bit(i, mask) (mask >> i & 1)

void Anna(int N, std::vector<char> S);

void Send(int a);


void Anna(int n, vector<char> S)
{
    rep(i, n) if(S[i - 1] == 'X')
    {
        Send(0);
        Send(0);
    }
    else if(S[i - 1] == 'Y')
    {
        Send(0);
        Send(1);
    }
    else if(S[i - 1] == 'Z')
    {
        Send(1);
        Send(0);
    }
}

Bruno

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define rep(i, n) for(int i = 1; i <= n; ++i)
#define forn(i, l, r) for(int i = l; i <= r; ++i)
#define ford(i, r, l) for(int i = r; i >= l; --i)
#define FOR(i, n) for(int i = 0; i < n; ++i)
#define FORD(i, n) for(int i = n - 1; i >= 0; --i)
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define endl "\n"
#define task "skycrapers"
#define sz(a) int(a.size())
#define C(x, y) make_pair(x, y)
#define all(a) (a).begin(), (a).end()
#define bit(i, mask) (mask >> i & 1)


void Bruno(int N, int L, std::vector<int> A);

void Remove(int d);


void Bruno(int n, int Len, vector<int> A)
{
    vector<int> a(n);
    FOR(i, n)
    {
        a[i] = 0;
        a[i] |= A[i << 1 | 1];
        a[i] |= 1 << A[i << 1];
    }

    int L = 0, R = n - 1;
    while(L < n && a[L] != 0) ++L;
    while(R >= 0 && a[R] != 2) --R;
    if(L == n || R < 0 || L > R)
    {
        FOR(i, n) Remove(i);
        return;
    }
    forn(i, 0, L - 1) Remove(i);
    forn(i, R + 1, n - 1) Remove(i);

    vector<int> pos_y;
    vector<int> pos_x;
    pos_x.pb(L);
    ++L;
    while(L <= R && a[L] != 1) Remove(L), ++L;

    for(int i = L; i <= R; ++i)
    {
        int j = i;
        while(j <= R)
        {
            if(a[i] == a[j] || 2 - a[i] == a[j])
                ++j;
            else break;
        }
        --j;
        forn(k, i, j - 1) Remove(k);

        if(a[j] != 1)
        {
            if(a[j] == 2)
            {
                if(j != R)
                {
                    Remove(pos_y.back());
                    pos_y.pop_back();
                    Remove(j);
                }
                else
                {
                    while(sz(pos_y) && sz(pos_x))
                    {
                        Remove(pos_y.back()); pos_y.pop_back();
                        Remove(pos_x.back()); pos_x.pop_back();
                    }
                }
            } else pos_x.pb(j);
        } else pos_y.pb(j);
    }


}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95