Submission #1246126

#	Time	Username	Problem	Language	Result	Execution time	Memory
1246126		qwusha	Rectangles (IOI19_rect)	C++20	Compilation error	0 ms	0 KiB

rect

#include "rectangles.h"

#include <iostream>
#include <bits/stdc++.h>

#define fi first
#define se second
typedef long long ll;
using namespace std;

int inf = 1e9 + 7;

struct sparce_tab {
    vector<vector<int>> sp;
    vector<int> logs;
    void init(int n, vector<int>&a) {
        logs.assign(n + 1, 0);
        for (int i = 2; i <= n; i++) {
            logs[i] = logs[i / 2] + 1;
        }
        sp.assign(logs[n] + 1, vector<int>(n, -1));
        for (int i = 0; i < n; i++) {
            sp[0][i] = a[i];
        }
        for (int j = 1; j <= logs[n]; j++) {
            for (int i = 0; i < n; i++) {
                sp[j][i] = max(sp[j - 1][i], sp[j - 1][i + (1<<(j-1))]);
            }
        }
    }
    int answer(int lq, int rq) {
        int leng = rq - lq;
        int j = logs[leng];
        return max(sp[j][lq], sp[j][rq - (1 << j)]);
    }
};


long long count_rectangles(vector<vector<int>> a) {
    int n = a.size();
    int m = a[0].size();
    if (n < 3 || m < 3)
        return 0;
    vector<int> s(m);
    vector<int> ok(m);
    for (int i = 0; i < m; i++) {
        s[i] = a[1][i];
        ok[i] = (a[1][i] < min(a[0][i], a[2][i]));
    }
    vector<int> prok(m + 1);
    for (int i = 0; i < m; i++) {
        prok[i + 1] = prok[i] + ok[i];
    }
    sparce_tab sp;
    sp.init(m, s);
    ll res = 0;
    for (int i = 1; i < m - 1; i++) {
        for (int j = i; j < m - 1; j++) {
            int maxi = sp.answer(i, j + 1);
            int sum = prok[j + 1] - prok[i];
            if (sum == (j - i + 1) && maxi < min(s[i - 1], s[j + 1])) {
                res++;
            }
        }
    }
    return res;
}


/*
signed main() {
    int n, a, b, c;
    cin >> n >> a >> b >> c;
    int m;
    cin >> m;
    vector<int> p(m), q(m);
    for (int i = 0; i < m; i++) {
        cin >> p[i] >> q[i];
    }
    auto res = find_split(n,a,b,c,p,q);
    for (auto el : res) {
        cout << el << ' ';
    }
    cout << endl;

}
*/

Compilation message (stderr)

rect.cpp:2:10: fatal error: rectangles.h: No such file or directory
    2 | #include "rectangles.h"
      |          ^~~~~~~~~~~~~~
compilation terminated.