oj.uz

Submission #88663

# Submission time Handle Problem Language Result Execution time Memory
88663 2018-12-07T09:34:45 Z dimash241 Chessboard (IZhO18_chessboard) C++17
70 / 100
 602 ms 61192 KB 
# include <stdio.h>
# include <bits/stdc++.h>


#define _USE_MATH_DEFINES_
#define ll long long
#define ld long double
#define Accepted 0
#define pb push_back
#define mp make_pair
#define sz(x) (int)(x.size())
#define every(x) x.begin(),x.end()
#define F first
#define S second
#define For(i,x,y)  for (int i = x; i <= y; i ++) 
#define FOr(i,x,y)  for (int i = x; i >= y; i --)
#define SpeedForce ios_base::sync_with_stdio(0), cin.tie(0)
#define x1 dlp
#define y1 kdkdf
// ROAD to...                                                                                                                                                                                                                Red

using namespace std;

inline bool isvowel (char c) {
	c = tolower(c);
    if (c == 'a' || c == 'e' || c == 'i' || c == 'y' || c == 'o' || c == 'u') return 1;
    return 0;
}

const double eps = 0.000001;
const ld pi = acos(-1);
const int maxn = 1e7 + 9;
const int mod = 1e9 + 7;
const ll MOD = 1e18 + 9;
const ll INF = 1e18 + 123;
const int inf = 2e9 + 11;
const int mxn = 1e6 + 9;
const int N = 6e5 + 123;                                          
const int M = 22;
const int pri = 997;
const int Magic = 2101;

const int dx[] = {-1, 0, 1, 0};
const int dy[] = {0, -1, 0, 1};
 
int n, k;
int x1[N], y1[N], x2[N], y2[N];

ll cell (ll x, ll y, ll m) {
	x --, y --;
	x /= m, y /= m;
	return x + y;
}

ll solve (ll x) {
	ll res = ((n / x * (ll)n / x) / 2ll) * x * x;
	ll ans = n * (ll) n - res;
//	cout << res << ' ' << ans << '\n';
	For (i, 1, k) {
		if (cell(x1[i], y1[i], x) % 2 == 1) ans ++, res --;
		else res ++, ans --;
	}

	return min(res, ans);
}

int main () {               
    cin >> n >> k;
    For (i, 1, k) {
    	cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
    }

    ll ans = n * (ll)n;
    For (i, 1, n - 1) {
    	if (n % i == 0)
    		ans = min(ans, solve (i));
    }

    cout << ans;
    
    return Accepted;
}

// Coded By OB

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 584 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 612 KB Output is correct
7 Correct 2 ms 612 KB Output is correct
8 Correct 2 ms 612 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 2996 KB Output is correct
2 Correct 24 ms 2996 KB Output is correct
3 Correct 65 ms 3996 KB Output is correct
4 Correct 58 ms 4988 KB Output is correct
5 Correct 82 ms 6508 KB Output is correct
6 Correct 52 ms 7088 KB Output is correct
7 Correct 12 ms 7088 KB Output is correct
8 Correct 52 ms 8156 KB Output is correct
9 Correct 131 ms 11028 KB Output is correct
10 Correct 74 ms 11564 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 11564 KB Output is correct
2 Correct 2 ms 11564 KB Output is correct
3 Correct 2 ms 11564 KB Output is correct
4 Correct 3 ms 11564 KB Output is correct
5 Correct 3 ms 11564 KB Output is correct
6 Correct 2 ms 11564 KB Output is correct
7 Correct 4 ms 11564 KB Output is correct
8 Correct 3 ms 11564 KB Output is correct
9 Correct 2 ms 11564 KB Output is correct
10 Correct 2 ms 11564 KB Output is correct
11 Correct 3 ms 11564 KB Output is correct
12 Correct 3 ms 11564 KB Output is correct
13 Correct 3 ms 11564 KB Output is correct
14 Correct 3 ms 11564 KB Output is correct
15 Correct 3 ms 11564 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 11564 KB Output is correct
2 Correct 2 ms 11564 KB Output is correct
3 Correct 2 ms 11564 KB Output is correct
4 Correct 3 ms 11564 KB Output is correct
5 Correct 3 ms 11564 KB Output is correct
6 Correct 2 ms 11564 KB Output is correct
7 Correct 4 ms 11564 KB Output is correct
8 Correct 3 ms 11564 KB Output is correct
9 Correct 2 ms 11564 KB Output is correct
10 Correct 2 ms 11564 KB Output is correct
11 Correct 3 ms 11564 KB Output is correct
12 Correct 3 ms 11564 KB Output is correct
13 Correct 3 ms 11564 KB Output is correct
14 Correct 3 ms 11564 KB Output is correct
15 Correct 3 ms 11564 KB Output is correct
16 Correct 34 ms 11820 KB Output is correct
17 Correct 94 ms 14052 KB Output is correct
18 Correct 122 ms 15864 KB Output is correct
19 Correct 184 ms 17276 KB Output is correct
20 Correct 201 ms 18984 KB Output is correct
21 Correct 89 ms 19976 KB Output is correct
22 Correct 3 ms 19976 KB Output is correct
23 Correct 56 ms 20016 KB Output is correct
24 Correct 103 ms 22268 KB Output is correct
25 Correct 13 ms 22268 KB Output is correct
26 Correct 66 ms 23080 KB Output is correct
27 Correct 84 ms 24096 KB Output is correct
28 Correct 109 ms 26080 KB Output is correct
29 Correct 37 ms 26080 KB Output is correct
30 Correct 5 ms 26080 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 2996 KB Output is correct
2 Correct 24 ms 2996 KB Output is correct
3 Correct 65 ms 3996 KB Output is correct
4 Correct 58 ms 4988 KB Output is correct
5 Correct 82 ms 6508 KB Output is correct
6 Correct 52 ms 7088 KB Output is correct
7 Correct 12 ms 7088 KB Output is correct
8 Correct 52 ms 8156 KB Output is correct
9 Correct 131 ms 11028 KB Output is correct
10 Correct 74 ms 11564 KB Output is correct
11 Correct 2 ms 11564 KB Output is correct
12 Correct 2 ms 11564 KB Output is correct
13 Correct 2 ms 11564 KB Output is correct
14 Correct 3 ms 11564 KB Output is correct
15 Correct 3 ms 11564 KB Output is correct
16 Correct 2 ms 11564 KB Output is correct
17 Correct 4 ms 11564 KB Output is correct
18 Correct 3 ms 11564 KB Output is correct
19 Correct 2 ms 11564 KB Output is correct
20 Correct 2 ms 11564 KB Output is correct
21 Correct 3 ms 11564 KB Output is correct
22 Correct 3 ms 11564 KB Output is correct
23 Correct 3 ms 11564 KB Output is correct
24 Correct 3 ms 11564 KB Output is correct
25 Correct 3 ms 11564 KB Output is correct
26 Correct 34 ms 11820 KB Output is correct
27 Correct 94 ms 14052 KB Output is correct
28 Correct 122 ms 15864 KB Output is correct
29 Correct 184 ms 17276 KB Output is correct
30 Correct 201 ms 18984 KB Output is correct
31 Correct 89 ms 19976 KB Output is correct
32 Correct 3 ms 19976 KB Output is correct
33 Correct 56 ms 20016 KB Output is correct
34 Correct 103 ms 22268 KB Output is correct
35 Correct 13 ms 22268 KB Output is correct
36 Correct 66 ms 23080 KB Output is correct
37 Correct 84 ms 24096 KB Output is correct
38 Correct 109 ms 26080 KB Output is correct
39 Correct 37 ms 26080 KB Output is correct
40 Correct 5 ms 26080 KB Output is correct
41 Correct 187 ms 28480 KB Output is correct
42 Correct 146 ms 30884 KB Output is correct
43 Correct 154 ms 32628 KB Output is correct
44 Correct 141 ms 35044 KB Output is correct
45 Correct 143 ms 37456 KB Output is correct
46 Correct 221 ms 39740 KB Output is correct
47 Correct 126 ms 41536 KB Output is correct
48 Correct 148 ms 43792 KB Output is correct
49 Correct 131 ms 45656 KB Output is correct
50 Correct 545 ms 48108 KB Output is correct
51 Correct 602 ms 50408 KB Output is correct
52 Correct 542 ms 52460 KB Output is correct
53 Correct 584 ms 54740 KB Output is correct
54 Correct 543 ms 56928 KB Output is correct
55 Correct 601 ms 59444 KB Output is correct
56 Correct 526 ms 61192 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 584 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 592 KB Output is correct
6 Correct 2 ms 612 KB Output is correct
7 Correct 2 ms 612 KB Output is correct
8 Correct 2 ms 612 KB Output is correct
9 Correct 92 ms 2996 KB Output is correct
10 Correct 24 ms 2996 KB Output is correct
11 Correct 65 ms 3996 KB Output is correct
12 Correct 58 ms 4988 KB Output is correct
13 Correct 82 ms 6508 KB Output is correct
14 Correct 52 ms 7088 KB Output is correct
15 Correct 12 ms 7088 KB Output is correct
16 Correct 52 ms 8156 KB Output is correct
17 Correct 131 ms 11028 KB Output is correct
18 Correct 74 ms 11564 KB Output is correct
19 Correct 2 ms 11564 KB Output is correct
20 Correct 2 ms 11564 KB Output is correct
21 Correct 2 ms 11564 KB Output is correct
22 Correct 3 ms 11564 KB Output is correct
23 Correct 3 ms 11564 KB Output is correct
24 Correct 2 ms 11564 KB Output is correct
25 Correct 4 ms 11564 KB Output is correct
26 Correct 3 ms 11564 KB Output is correct
27 Correct 2 ms 11564 KB Output is correct
28 Correct 2 ms 11564 KB Output is correct
29 Correct 3 ms 11564 KB Output is correct
30 Correct 3 ms 11564 KB Output is correct
31 Correct 3 ms 11564 KB Output is correct
32 Correct 3 ms 11564 KB Output is correct
33 Correct 3 ms 11564 KB Output is correct
34 Correct 34 ms 11820 KB Output is correct
35 Correct 94 ms 14052 KB Output is correct
36 Correct 122 ms 15864 KB Output is correct
37 Correct 184 ms 17276 KB Output is correct
38 Correct 201 ms 18984 KB Output is correct
39 Correct 89 ms 19976 KB Output is correct
40 Correct 3 ms 19976 KB Output is correct
41 Correct 56 ms 20016 KB Output is correct
42 Correct 103 ms 22268 KB Output is correct
43 Correct 13 ms 22268 KB Output is correct
44 Correct 66 ms 23080 KB Output is correct
45 Correct 84 ms 24096 KB Output is correct
46 Correct 109 ms 26080 KB Output is correct
47 Correct 37 ms 26080 KB Output is correct
48 Correct 5 ms 26080 KB Output is correct
49 Correct 187 ms 28480 KB Output is correct
50 Correct 146 ms 30884 KB Output is correct
51 Correct 154 ms 32628 KB Output is correct
52 Correct 141 ms 35044 KB Output is correct
53 Correct 143 ms 37456 KB Output is correct
54 Correct 221 ms 39740 KB Output is correct
55 Correct 126 ms 41536 KB Output is correct
56 Correct 148 ms 43792 KB Output is correct
57 Correct 131 ms 45656 KB Output is correct
58 Correct 545 ms 48108 KB Output is correct
59 Correct 602 ms 50408 KB Output is correct
60 Correct 542 ms 52460 KB Output is correct
61 Correct 584 ms 54740 KB Output is correct
62 Correct 543 ms 56928 KB Output is correct
63 Correct 601 ms 59444 KB Output is correct
64 Correct 526 ms 61192 KB Output is correct
65 Correct 2 ms 61192 KB Output is correct
66 Incorrect 2 ms 61192 KB Output isn't correct
67 Halted 0 ms 0 KB -