oj.uz

Submission #1032376

# Submission time Handle Problem Language Result Execution time Memory
1032376 2024-07-23T16:23:17 Z shmax Rectangles (IOI19_rect) C++17
23 / 100
 276 ms 56180 KB 
#include "rect.h"
#include <bits/stdc++.h>

#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,bmi,bmi2")

using namespace std;
using i32 = int;
//#define int long long
#define len(x) (int)(x.size())
#define inf 1000'000'000'000'000'000LL
#define all(x) x.begin(), x.end()
#define low_bit(x) (x & (-x))

template<typename T>
using vec = vector<T>;

long long count_rectangles(std::vector<std::vector<i32>> a) {
    int n = len(a);
    int m = len(a[0]);
    long long ans = 0;
    for (int i = 1; i < n - 1; i++) {
        for (int j = 1; j < m - 1; j++) {
            if (a[i][j] >= a[i - 1][j]) continue;
            if (a[i][j] >= a[i][j - 1]) continue;
            vec<bool> good_layers(n, true);
            vec<int> mx(n, 0);
            for (int k = j; k < m - 1; k++) {
                int mxs = 0;
                if (a[i][k] >= a[i - 1][k]) break;
                int del = 1;
                int brd = n - 1;
                for (int l = i; l < brd; l++) {
                    bool good = true;
                    {
                        int h = k;
                        mx[l] = max(mx[l], (int) a[l][h]);
                        mxs = max(mxs, (int) a[l][h]);
                        if (mxs >= min(a[i - 1][h], a[l + 1][h])) {
                            good = false;
                        }
                        if (mxs >= a[i - 1][h]) {
                            brd = l;
                            break;
                        }
                    }
                    good_layers[l] = good and good_layers[l];
                    if (mx[l] >= a[l][j - 1]) {
                        break;
                    }
                    if (mx[l] >= min(a[l][j - 1], a[l][k + 1])) {
                        good = false;
                        del = 0;
                        continue;
                    }
                    if (!good_layers[l]) continue;
                    if (!good) continue;
                    good_layers[l] = true;
                    ans += del;
                }
            }

        }
    }

    return ans;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 548 KB Output is correct
2 Correct 10 ms 348 KB Output is correct
3 Correct 0 ms 444 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 532 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 103 ms 25956 KB Output is correct
3 Correct 273 ms 56180 KB Output is correct
4 Correct 264 ms 55692 KB Output is correct
5 Correct 276 ms 55760 KB Output is correct
6 Correct 41 ms 27980 KB Output is correct
7 Correct 78 ms 52176 KB Output is correct
8 Correct 85 ms 55888 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 436 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Halted 0 ms 0 KB -