답안 #917745

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
917745	2024-01-28T17:10:55 Z	dilanyan	Chessboard (IZhO18_chessboard)	C++17	70 / 100	220 ms	4684 KB

chessboard

//-------------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

#	결과	메모리	Grader output
1	Correct	348 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	460 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	-

답안 #917745

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 8.0 / 8.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 23.0 / 23.0

Subtask #6 0 / 30.0

Subtask #1
8.0 / 8.0

Subtask #2
8.0 / 8.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
23.0 / 23.0

Subtask #6
0 / 30.0