oj.uz

Submission #917745

# Submission time Handle Problem Language Result Execution time Memory
917745 2024-01-28T17:10:55 Z dilanyan Chessboard (IZhO18_chessboard) C++17
70 / 100
 220 ms 4684 KB 
//-------------dilanyan------------\\ 
 
#define _CRT_SECURE_NO_WARNINGS
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;
 
//------------------KarginDefines--------------------\\ 
 
#define ll long long
#define pb push_back
#define all(u) (u).begin(), (u).end()
#define pqueue priority_queue
#define upper upper_bound
#define lower lower_bound
#define umap unordered_map
#define uset unordered_set
#define Kargin ios_base::sync_with_stdio(false);cin.tie(NULL);
#define Usaco freopen(".in", "r", stdin); freopen(".out", "w", stdout);
 
 
//-------------------KarginConstants------------------\\ 
 
const ll mod = 1000000007;
const ll inf = 1e12;
 
//-------------------KarginCode------------------------\\ 
 
const int N = 100005;
ll x[N], y[N];

void KarginSolve() {
    ll n, k;
    cin >> n >> k;
    ll sq = sqrt(n);
    vector<ll> div;
    for (ll i = 1;i <= sq;i++) {
        if (n % i == 0) {
            div.pb(i);
            if (i * i != n) div.pb(n / i);
        }
    }
    for (int i = 0;i < k;i++) cin >> x[i] >> y[i] >> x[i] >> y[i];
    ll ans = inf;
    for (ll d : div) {
        if (d == n) continue;
        ll c = (n * n) / (d * d);
        ll fw = c / 2, fb = (c + 1) / 2;
        fw = fw * d * d, fb = fb * d * d;
        for (int i = 0;i < k;i++) {
            ll dx = (x[i] + d - 1) / d, dy = (y[i] + d - 1) / d;
            if (dx & 1) {
                if (dy & 1) fw++, fb--;
                else fw--, fb++;
            }
            else {
                if (dy & 1) fw--, fb++;
                else fw++, fb--;
            }
        }
        ans = min(ans, min(fw, fb));
    }
    cout << ans << '\n';
}
 
int main() {
    //Usaco
    Kargin;
    int test = 1;
    //cin >> test;
    while (test--) {
        KarginSolve();
    }
    return 0;
}

Compilation message

chessboard.cpp:1:1: warning: multi-line comment [-Wcomment]
    1 | //-------------dilanyan------------\\
      | ^
chessboard.cpp:8:1: warning: multi-line comment [-Wcomment]
    8 | //------------------KarginDefines--------------------\\
      | ^
chessboard.cpp:22:1: warning: multi-line comment [-Wcomment]
   22 | //-------------------KarginConstants------------------\\
      | ^
chessboard.cpp:27:1: warning: multi-line comment [-Wcomment]
   27 | //-------------------KarginCode------------------------\\
      | ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2896 KB Output is correct
2 Correct 5 ms 860 KB Output is correct
3 Correct 13 ms 1928 KB Output is correct
4 Correct 12 ms 1880 KB Output is correct
5 Correct 14 ms 2396 KB Output is correct
6 Correct 10 ms 1680 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 10 ms 1712 KB Output is correct
9 Correct 25 ms 3896 KB Output is correct
10 Correct 13 ms 2396 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 1116 KB Output is correct
17 Correct 19 ms 3112 KB Output is correct
18 Correct 25 ms 3408 KB Output is correct
19 Correct 53 ms 3160 KB Output is correct
20 Correct 59 ms 3528 KB Output is correct
21 Correct 21 ms 2904 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 13 ms 1628 KB Output is correct
24 Correct 22 ms 3336 KB Output is correct
25 Correct 4 ms 588 KB Output is correct
26 Correct 16 ms 2132 KB Output is correct
27 Correct 19 ms 2604 KB Output is correct
28 Correct 23 ms 3408 KB Output is correct
29 Correct 10 ms 1508 KB Output is correct
30 Correct 1 ms 344 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 2896 KB Output is correct
2 Correct 5 ms 860 KB Output is correct
3 Correct 13 ms 1928 KB Output is correct
4 Correct 12 ms 1880 KB Output is correct
5 Correct 14 ms 2396 KB Output is correct
6 Correct 10 ms 1680 KB Output is correct
7 Correct 2 ms 604 KB Output is correct
8 Correct 10 ms 1712 KB Output is correct
9 Correct 25 ms 3896 KB Output is correct
10 Correct 13 ms 2396 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 8 ms 1116 KB Output is correct
27 Correct 19 ms 3112 KB Output is correct
28 Correct 25 ms 3408 KB Output is correct
29 Correct 53 ms 3160 KB Output is correct
30 Correct 59 ms 3528 KB Output is correct
31 Correct 21 ms 2904 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 13 ms 1628 KB Output is correct
34 Correct 22 ms 3336 KB Output is correct
35 Correct 4 ms 588 KB Output is correct
36 Correct 16 ms 2132 KB Output is correct
37 Correct 19 ms 2604 KB Output is correct
38 Correct 23 ms 3408 KB Output is correct
39 Correct 10 ms 1508 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 50 ms 3624 KB Output is correct
42 Correct 31 ms 4684 KB Output is correct
43 Correct 34 ms 3600 KB Output is correct
44 Correct 26 ms 3896 KB Output is correct
45 Correct 26 ms 4188 KB Output is correct
46 Correct 56 ms 3952 KB Output is correct
47 Correct 24 ms 3664 KB Output is correct
48 Correct 30 ms 3664 KB Output is correct
49 Correct 25 ms 3664 KB Output is correct
50 Correct 200 ms 3924 KB Output is correct
51 Correct 212 ms 4180 KB Output is correct
52 Correct 198 ms 4016 KB Output is correct
53 Correct 214 ms 4324 KB Output is correct
54 Correct 196 ms 3964 KB Output is correct
55 Correct 220 ms 4180 KB Output is correct
56 Correct 189 ms 3668 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 460 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 17 ms 2896 KB Output is correct
10 Correct 5 ms 860 KB Output is correct
11 Correct 13 ms 1928 KB Output is correct
12 Correct 12 ms 1880 KB Output is correct
13 Correct 14 ms 2396 KB Output is correct
14 Correct 10 ms 1680 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 10 ms 1712 KB Output is correct
17 Correct 25 ms 3896 KB Output is correct
18 Correct 13 ms 2396 KB Output is correct
19 Correct 0 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 8 ms 1116 KB Output is correct
35 Correct 19 ms 3112 KB Output is correct
36 Correct 25 ms 3408 KB Output is correct
37 Correct 53 ms 3160 KB Output is correct
38 Correct 59 ms 3528 KB Output is correct
39 Correct 21 ms 2904 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 13 ms 1628 KB Output is correct
42 Correct 22 ms 3336 KB Output is correct
43 Correct 4 ms 588 KB Output is correct
44 Correct 16 ms 2132 KB Output is correct
45 Correct 19 ms 2604 KB Output is correct
46 Correct 23 ms 3408 KB Output is correct
47 Correct 10 ms 1508 KB Output is correct
48 Correct 1 ms 344 KB Output is correct
49 Correct 50 ms 3624 KB Output is correct
50 Correct 31 ms 4684 KB Output is correct
51 Correct 34 ms 3600 KB Output is correct
52 Correct 26 ms 3896 KB Output is correct
53 Correct 26 ms 4188 KB Output is correct
54 Correct 56 ms 3952 KB Output is correct
55 Correct 24 ms 3664 KB Output is correct
56 Correct 30 ms 3664 KB Output is correct
57 Correct 25 ms 3664 KB Output is correct
58 Correct 200 ms 3924 KB Output is correct
59 Correct 212 ms 4180 KB Output is correct
60 Correct 198 ms 4016 KB Output is correct
61 Correct 214 ms 4324 KB Output is correct
62 Correct 196 ms 3964 KB Output is correct
63 Correct 220 ms 4180 KB Output is correct
64 Correct 189 ms 3668 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Incorrect 0 ms 348 KB Output isn't correct
67 Halted 0 ms 0 KB -