oj.uz

Submission #343339

# Submission time Handle Problem Language Result Execution time Memory
343339 2021-01-03T17:40:23 Z Sprdalo Chessboard (IZhO18_chessboard) C++17
70 / 100
 608 ms 512 KB 
#include <bits/stdc++.h>

using namespace std;

#define int ll
typedef unsigned long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<double> vd;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<pi> vp;
typedef vector<pl> vpl;

void no(){
    cout << "-1\n";
    exit(0);
}

vi d, b;
void calc(int x1, int x2, int y1, int y2, int ind){
    int t = d[ind], y = 0, Y = 0;

    if (y1/t == y2/t){
        if (y1%(2*t)<t)
            y = y2-y1+1;
        Y = y2-y1+1-y;
    } else {
        bool k1 = 0;
        if (y1%(2*t)<t){
            k1 = 1;
            y = t-y1;
        }

        bool k2 = 0;
        if (y2%(2*t)<t){
            k2 = 1;
            y += y2+1;
        }

        y += t * (y2/t - y1/t - 1) / 2;
        if (!k1 && !k2)
            ++y;

        Y = y2-y1+1-y;
    }

    int x = 0, X = 0;
    if (x1/t == x2/t){
        if (x1 % (2*t) < t)
            x = x2-x1+1;
        X = x2-x1+1-x;
    } else {
        bool k1 = 0;
        if (x1%(2*t)<t){
            k1 = 1;
            x = t-x1;
        }

        bool k2 = 0;
        if (x2%(2*t)<t){
            k2 = 1;
            x += x2+1;
        }

        x += t * (x2/t - x1/t - 1) / 2;
        if (!k1 && !k2)
            ++x;

        X = x2-x1+1-x;
    }

//    cout << x << ' ' << y << ' ' << X << ' ' << Y << '\n';

    b[ind] += x * y + X*Y;
}

signed main()
{
    ios_base::sync_with_stdio(false); 
    cin.tie(nullptr); 
    cout.tie(nullptr); 
    cerr.tie(nullptr);    

    int n, k;
    cin >> n >> k;

    for (int i = 1; i < n; ++i){
        if (n % i == 0){
            d.push_back(i);
        }
    }

    int len = d.size(), s = 0;
    b = vi(len);
    for (int i = 0; i < k; ++i){
        int x1,y1,x2,y2;
        cin >> x1>>y1>>x2>>y2;

        --x1;
        --y1;
        --x2;
        --y2;
        s += (x2-x1+1) * (y2-y1+1);

        for (int j = 0; j < len; ++j)
        calc(x1,x2,y1,y2,j);
    }

    int sol = n*n;
    for (int i = 0; i < len; ++i){
        //cout << b[i] << ' ';
        int t = d[i],c;
        
        if (n % (2*t) == 0)
            c = (n*n)/2;
        else
            c = ((n-t)*(n-t))/2 + n*t;

        int res = s-b[i] + c-b[i];
        //cout << c << ' ';
        sol = min(sol, res);

        b[i] = s-b[i];

        c = n*n-c;

        res = s+c - 2 * b[i];
        //cout << c << endl;
        //cout << res << '\n';
        sol = min(sol, res);
    }

    cout << sol << '\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 364 KB Output is correct
2 Correct 7 ms 364 KB Output is correct
3 Correct 17 ms 364 KB Output is correct
4 Correct 18 ms 364 KB Output is correct
5 Correct 22 ms 364 KB Output is correct
6 Correct 14 ms 492 KB Output is correct
7 Correct 4 ms 364 KB Output is correct
8 Correct 14 ms 364 KB Output is correct
9 Correct 35 ms 384 KB Output is correct
10 Correct 21 ms 364 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 12 ms 364 KB Output is correct
17 Correct 28 ms 364 KB Output is correct
18 Correct 42 ms 364 KB Output is correct
19 Correct 125 ms 364 KB Output is correct
20 Correct 138 ms 364 KB Output is correct
21 Correct 27 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 25 ms 364 KB Output is correct
24 Correct 37 ms 364 KB Output is correct
25 Correct 5 ms 364 KB Output is correct
26 Correct 24 ms 364 KB Output is correct
27 Correct 36 ms 364 KB Output is correct
28 Correct 40 ms 364 KB Output is correct
29 Correct 11 ms 364 KB Output is correct
30 Correct 2 ms 364 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 364 KB Output is correct
2 Correct 7 ms 364 KB Output is correct
3 Correct 17 ms 364 KB Output is correct
4 Correct 18 ms 364 KB Output is correct
5 Correct 22 ms 364 KB Output is correct
6 Correct 14 ms 492 KB Output is correct
7 Correct 4 ms 364 KB Output is correct
8 Correct 14 ms 364 KB Output is correct
9 Correct 35 ms 384 KB Output is correct
10 Correct 21 ms 364 KB Output is correct
11 Correct 1 ms 492 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 12 ms 364 KB Output is correct
27 Correct 28 ms 364 KB Output is correct
28 Correct 42 ms 364 KB Output is correct
29 Correct 125 ms 364 KB Output is correct
30 Correct 138 ms 364 KB Output is correct
31 Correct 27 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 25 ms 364 KB Output is correct
34 Correct 37 ms 364 KB Output is correct
35 Correct 5 ms 364 KB Output is correct
36 Correct 24 ms 364 KB Output is correct
37 Correct 36 ms 364 KB Output is correct
38 Correct 40 ms 364 KB Output is correct
39 Correct 11 ms 364 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 116 ms 392 KB Output is correct
42 Correct 50 ms 364 KB Output is correct
43 Correct 72 ms 512 KB Output is correct
44 Correct 44 ms 364 KB Output is correct
45 Correct 39 ms 364 KB Output is correct
46 Correct 132 ms 364 KB Output is correct
47 Correct 34 ms 364 KB Output is correct
48 Correct 59 ms 364 KB Output is correct
49 Correct 41 ms 364 KB Output is correct
50 Correct 553 ms 396 KB Output is correct
51 Correct 584 ms 364 KB Output is correct
52 Correct 546 ms 396 KB Output is correct
53 Correct 580 ms 364 KB Output is correct
54 Correct 559 ms 364 KB Output is correct
55 Correct 608 ms 492 KB Output is correct
56 Correct 530 ms 492 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 25 ms 364 KB Output is correct
10 Correct 7 ms 364 KB Output is correct
11 Correct 17 ms 364 KB Output is correct
12 Correct 18 ms 364 KB Output is correct
13 Correct 22 ms 364 KB Output is correct
14 Correct 14 ms 492 KB Output is correct
15 Correct 4 ms 364 KB Output is correct
16 Correct 14 ms 364 KB Output is correct
17 Correct 35 ms 384 KB Output is correct
18 Correct 21 ms 364 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 12 ms 364 KB Output is correct
35 Correct 28 ms 364 KB Output is correct
36 Correct 42 ms 364 KB Output is correct
37 Correct 125 ms 364 KB Output is correct
38 Correct 138 ms 364 KB Output is correct
39 Correct 27 ms 364 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 25 ms 364 KB Output is correct
42 Correct 37 ms 364 KB Output is correct
43 Correct 5 ms 364 KB Output is correct
44 Correct 24 ms 364 KB Output is correct
45 Correct 36 ms 364 KB Output is correct
46 Correct 40 ms 364 KB Output is correct
47 Correct 11 ms 364 KB Output is correct
48 Correct 2 ms 364 KB Output is correct
49 Correct 116 ms 392 KB Output is correct
50 Correct 50 ms 364 KB Output is correct
51 Correct 72 ms 512 KB Output is correct
52 Correct 44 ms 364 KB Output is correct
53 Correct 39 ms 364 KB Output is correct
54 Correct 132 ms 364 KB Output is correct
55 Correct 34 ms 364 KB Output is correct
56 Correct 59 ms 364 KB Output is correct
57 Correct 41 ms 364 KB Output is correct
58 Correct 553 ms 396 KB Output is correct
59 Correct 584 ms 364 KB Output is correct
60 Correct 546 ms 396 KB Output is correct
61 Correct 580 ms 364 KB Output is correct
62 Correct 559 ms 364 KB Output is correct
63 Correct 608 ms 492 KB Output is correct
64 Correct 530 ms 492 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 0 ms 364 KB Output is correct
67 Incorrect 595 ms 492 KB Output isn't correct
68 Halted 0 ms 0 KB -