Submission #145380

#	Time	Username	Problem	Language	Result	Execution time	Memory
145380		jacynkaa	Rectangles (IOI19_rect)	C++14	37 / 100	5095 ms	28408 KiB

rect

#include <bits/stdc++.h>
#include <math.h>
#include <chrono>
using namespace std;
#pragma GCC optimize("-O3")
#define endl "\n"
#define mp make_pair
#define st first
#define nd second
#define pii pair<int, int>
#define pb push_back
#define _upgrade ios_base::sync_with_stdio(0), cout.setf(ios::fixed), cout.precision(10) //cin.tie(0); cout.tie(0);
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define FWD(i, a, b) for (int i = (a); i < (b); ++i)
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define fwd(i, a, b) for (int i = (a); i < (b); ++i)
#define all(c) (c).begin(), (c).end()
#define what(x) cerr << #x << " is " << x << endl;
int ans = 0;

vector<pair<pii, pii>> odp;

void wypisz()
{
    sort(all(odp));
    for (auto a : odp)
    {
        cerr << a.st.st << " " << a.st.nd << " " << a.nd.st << " " << a.nd.nd << endl;
    }
}

long long count_rectangles(vector<vector<int>> A)
{
    int n = A.size();
    int m = A[0].size();

    for (int i = 1; i < n - 1; i++)
        for (int j = 1; j < m - 1; j++)
            for (int k = i; k < n - 1; k++)
                for (int l = j; l < m - 1; l++)
                {

                    bool ok = true;
                    for (int p = i; p <= k && ok; p++)
                        for (int q = j; q <= l && ok; q++)
                            if (A[p][q] >= min(min(A[i - 1][q], A[k + 1][q]), min(A[p][j - 1], A[p][l + 1])))
                                ok = false;
                    if (ok)
                    {
                        ans++;
                        odp.pb(mp(mp(i, j), mp(k, l)));
                    }
                }
    return ans;
}
/*
main()
{
    _upgrade;
    string S;
    cin >> S;
    int a, b;
    cin >> a >> b;
    vector<vector<int>> X(a, vector<int>(b));
    rep(i, a) rep(j, b) cin >> X[i][j];
    cout << count_rectangles(X)
         << endl;
   // wypisz();
}
*/

• Subtask 1: 8 / 8
• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 0 / 22
• Subtask 5: 10 / 10
• Subtask 6: 0 / 13
• Subtask 7: 0 / 28