oj.uz

Submission #679404

# Submission time Handle Problem Language Result Execution time Memory
679404 2023-01-08T08:24:06 Z Chal1shkan Chessboard (IZhO18_chessboard) C++14
70 / 100
 216 ms 5772 KB 
#include <bits/stdc++.h>

# define pb push_back
# define ff first
# define ss second
# define nl "\n"

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

const ll maxn = 1e5 + 25;
const ll maxl = 22 + 0;
const ll inf = 2e9 + 0;
const ll mod = 998244353;
const ll dx[] = {-1, 1, 0, 0};
const ll dy[] = {0, 0, -1, 1};

using namespace std;

ll n, k;

struct rect
{
    ll x1, y1, x2, y2;
} q[maxn];

vector <ll> f(ll x)
{
    vector <ll> res;
    res.pb(1);
    for (ll i = 2; i * i <= x; ++i)
    {
        if (x % i == 0)
        {
            res.pb(i);
            if (x % (x / i) == 0 && i != x / i) res.pb(x / i);
        }
    }
    return res;
}

void ma1n ()
{
    cin >> n >> k;
    for (ll i = 1; i <= k; ++i)
    {
        cin >> q[i].x1 >> q[i].y1 >> q[i].x2 >> q[i].y2;
    }
    vector <ll> d = f(n);
    ll ans = n * n;
    for (ll len : d)
    {
        ll cnt0 = 0, cnt1 = 0;
        for (ll i = 1; i <= k; ++i)
        {
            if (((q[i].x1 + len - 1) / len + (q[i].y1 + len - 1) / len) & 1) cnt1++;
            else cnt0++;
        }
        ll sz = (n * n) / len / len;
        ans = min(ans, len * len * (sz / 2) - cnt1 + cnt0);
        ans = min(ans, len * len * ((sz + 1) / 2) - cnt0 + cnt1);
    }
    cout << ans << nl;
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    // freopen("mooyomooyo.in", "r", stdin);
    // freopen("mooyomooyo.out", "w", stdout);
    int ttt = 1;
//  cin >> ttt;
    for (int test = 1; test <= ttt; ++test)
    {
//      cout << "Case " << test << ":" << nl;
        ma1n();
    }
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2352 KB Output is correct
2 Correct 6 ms 988 KB Output is correct
3 Correct 12 ms 1596 KB Output is correct
4 Correct 14 ms 1796 KB Output is correct
5 Correct 16 ms 2140 KB Output is correct
6 Correct 12 ms 1500 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 11 ms 1480 KB Output is correct
9 Correct 26 ms 3156 KB Output is correct
10 Correct 17 ms 2004 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 376 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 376 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 8 ms 1236 KB Output is correct
17 Correct 22 ms 3148 KB Output is correct
18 Correct 27 ms 3660 KB Output is correct
19 Correct 54 ms 3332 KB Output is correct
20 Correct 62 ms 3760 KB Output is correct
21 Correct 21 ms 3148 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 17 ms 1884 KB Output is correct
24 Correct 25 ms 3264 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 16 ms 2272 KB Output is correct
27 Correct 21 ms 2620 KB Output is correct
28 Correct 27 ms 3496 KB Output is correct
29 Correct 10 ms 1512 KB Output is correct
30 Correct 1 ms 340 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2352 KB Output is correct
2 Correct 6 ms 988 KB Output is correct
3 Correct 12 ms 1596 KB Output is correct
4 Correct 14 ms 1796 KB Output is correct
5 Correct 16 ms 2140 KB Output is correct
6 Correct 12 ms 1500 KB Output is correct
7 Correct 4 ms 584 KB Output is correct
8 Correct 11 ms 1480 KB Output is correct
9 Correct 26 ms 3156 KB Output is correct
10 Correct 17 ms 2004 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 376 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 8 ms 1236 KB Output is correct
27 Correct 22 ms 3148 KB Output is correct
28 Correct 27 ms 3660 KB Output is correct
29 Correct 54 ms 3332 KB Output is correct
30 Correct 62 ms 3760 KB Output is correct
31 Correct 21 ms 3148 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 17 ms 1884 KB Output is correct
34 Correct 25 ms 3264 KB Output is correct
35 Correct 3 ms 716 KB Output is correct
36 Correct 16 ms 2272 KB Output is correct
37 Correct 21 ms 2620 KB Output is correct
38 Correct 27 ms 3496 KB Output is correct
39 Correct 10 ms 1512 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 55 ms 3112 KB Output is correct
42 Correct 31 ms 5484 KB Output is correct
43 Correct 36 ms 4876 KB Output is correct
44 Correct 30 ms 5324 KB Output is correct
45 Correct 31 ms 5624 KB Output is correct
46 Correct 58 ms 5416 KB Output is correct
47 Correct 26 ms 4924 KB Output is correct
48 Correct 34 ms 5108 KB Output is correct
49 Correct 28 ms 4940 KB Output is correct
50 Correct 193 ms 5320 KB Output is correct
51 Correct 208 ms 5656 KB Output is correct
52 Correct 197 ms 5292 KB Output is correct
53 Correct 212 ms 5660 KB Output is correct
54 Correct 187 ms 5144 KB Output is correct
55 Correct 216 ms 5772 KB Output is correct
56 Correct 194 ms 5072 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 19 ms 2352 KB Output is correct
10 Correct 6 ms 988 KB Output is correct
11 Correct 12 ms 1596 KB Output is correct
12 Correct 14 ms 1796 KB Output is correct
13 Correct 16 ms 2140 KB Output is correct
14 Correct 12 ms 1500 KB Output is correct
15 Correct 4 ms 584 KB Output is correct
16 Correct 11 ms 1480 KB Output is correct
17 Correct 26 ms 3156 KB Output is correct
18 Correct 17 ms 2004 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 376 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 8 ms 1236 KB Output is correct
35 Correct 22 ms 3148 KB Output is correct
36 Correct 27 ms 3660 KB Output is correct
37 Correct 54 ms 3332 KB Output is correct
38 Correct 62 ms 3760 KB Output is correct
39 Correct 21 ms 3148 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 17 ms 1884 KB Output is correct
42 Correct 25 ms 3264 KB Output is correct
43 Correct 3 ms 716 KB Output is correct
44 Correct 16 ms 2272 KB Output is correct
45 Correct 21 ms 2620 KB Output is correct
46 Correct 27 ms 3496 KB Output is correct
47 Correct 10 ms 1512 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 55 ms 3112 KB Output is correct
50 Correct 31 ms 5484 KB Output is correct
51 Correct 36 ms 4876 KB Output is correct
52 Correct 30 ms 5324 KB Output is correct
53 Correct 31 ms 5624 KB Output is correct
54 Correct 58 ms 5416 KB Output is correct
55 Correct 26 ms 4924 KB Output is correct
56 Correct 34 ms 5108 KB Output is correct
57 Correct 28 ms 4940 KB Output is correct
58 Correct 193 ms 5320 KB Output is correct
59 Correct 208 ms 5656 KB Output is correct
60 Correct 197 ms 5292 KB Output is correct
61 Correct 212 ms 5660 KB Output is correct
62 Correct 187 ms 5144 KB Output is correct
63 Correct 216 ms 5772 KB Output is correct
64 Correct 194 ms 5072 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Incorrect 0 ms 212 KB Output isn't correct
67 Halted 0 ms 0 KB -