답안 #495285

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
495285	2021-12-18T08:39:03 Z	ergagan	Chessboard (IZhO18_chessboard)	C++17	70 / 100	364 ms	848 KB

chessboard

//я так много думал, что опять попал
#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define pb push_back
#define ppb pop_back
#define pf push_front
#define ppf pop_front
#define f first
#define s second
#define left(v) v + v
#define right(v) v + v + 1
#define ub upper_bound
#define lb lower_bound

using namespace std;
typedef long long ll;

//17 SEVENTEEN
const long double Pi = acos(-1.0);
const ll dx[] = {0,0,1,-1};
const ll dy[] = {1,-1,0,0};
const ll N = (ll) 1e6 + 17;
const ll M = (ll) 5e3 + 69;
const ll inf = (ll) 1e18 + 3;
const ll mod = (ll) 1e9 + 7;
ll sq(ll x) { return x * x; }

ll zxc = 1;

vector<ll> d;

map<pair<ll, ll>, ll> cnt;

void solve() {
    ll n, k;
    cin >> n >> k;
    for(ll i = 2; i * i <= n; i++) {
        if(!(n % i)) {
            d.pb(i);
            if(n / i != i) d.pb(n / i);
        }
    }
    d.pb(1);
    sort(all(d));

//    for(ll x : d) cout << x << "\n";

    while(k--) {
        ll x, y;
        cin >> x >> y >> x >> y;
        for(ll val : d)
            cnt[{val, ((x - 1) / val + (y - 1) / val + 2) % 2}]++;
    }
    ll ans = inf;
    for(ll val : d) {
        ll m = n / val, x;

        if(m % 2) x = sq((m + 1) / 2) + sq(m / 2);
        else x = sq(m) / 2;
        ans = min(min(x * sq(val) - cnt[{val, 0}] + cnt[{val, 1}], (sq(m) - x) * sq(val) - cnt[{val, 1}] + cnt[{val, 0}]), ans);
    }
    cout << ans;
}

int main(/*Уверенно*/) {
ios_base::sync_with_stdio(0);
    cin.tie(0);
/*
	freopen(".in", "r", stdin);
	freopen(".out", "w", stdout);
*/
//    cin >> zxc;
    while(zxc--) {
        solve();
    }
  	return 0;
}
// さよならさ いかなくちゃ

Subtask #1
8.0 / 8.0

#	결과	메모리	Grader output
1	Correct	204 KB	Output is correct
2	Correct	204 KB	Output is correct
3	Correct	204 KB	Output is correct
4	Correct	204 KB	Output is correct
5	Correct	204 KB	Output is correct
6	Correct	204 KB	Output is correct
7	Correct	204 KB	Output is correct
8	Correct	204 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	204 KB	Output is correct
2	Correct	5 ms	204 KB	Output is correct
3	Correct	12 ms	312 KB	Output is correct
4	Correct	13 ms	332 KB	Output is correct
5	Correct	18 ms	316 KB	Output is correct
6	Correct	11 ms	312 KB	Output is correct
7	Correct	2 ms	320 KB	Output is correct
8	Correct	10 ms	312 KB	Output is correct
9	Correct	26 ms	204 KB	Output is correct
10	Correct	14 ms	308 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	216 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	0 ms	304 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	216 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	1 ms	316 KB	Output is correct
9	Correct	1 ms	320 KB	Output is correct
10	Correct	0 ms	304 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	320 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	8 ms	520 KB	Output is correct
17	Correct	23 ms	724 KB	Output is correct
18	Correct	35 ms	708 KB	Output is correct
19	Correct	68 ms	708 KB	Output is correct
20	Correct	77 ms	680 KB	Output is correct
21	Correct	23 ms	704 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	16 ms	460 KB	Output is correct
24	Correct	28 ms	644 KB	Output is correct
25	Correct	6 ms	324 KB	Output is correct
26	Correct	19 ms	596 KB	Output is correct
27	Correct	22 ms	688 KB	Output is correct
28	Correct	28 ms	700 KB	Output is correct
29	Correct	10 ms	460 KB	Output is correct
30	Correct	2 ms	324 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	19 ms	204 KB	Output is correct
2	Correct	5 ms	204 KB	Output is correct
3	Correct	12 ms	312 KB	Output is correct
4	Correct	13 ms	332 KB	Output is correct
5	Correct	18 ms	316 KB	Output is correct
6	Correct	11 ms	312 KB	Output is correct
7	Correct	2 ms	320 KB	Output is correct
8	Correct	10 ms	312 KB	Output is correct
9	Correct	26 ms	204 KB	Output is correct
10	Correct	14 ms	308 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	216 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	316 KB	Output is correct
19	Correct	1 ms	320 KB	Output is correct
20	Correct	0 ms	304 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	320 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	8 ms	520 KB	Output is correct
27	Correct	23 ms	724 KB	Output is correct
28	Correct	35 ms	708 KB	Output is correct
29	Correct	68 ms	708 KB	Output is correct
30	Correct	77 ms	680 KB	Output is correct
31	Correct	23 ms	704 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	16 ms	460 KB	Output is correct
34	Correct	28 ms	644 KB	Output is correct
35	Correct	6 ms	324 KB	Output is correct
36	Correct	19 ms	596 KB	Output is correct
37	Correct	22 ms	688 KB	Output is correct
38	Correct	28 ms	700 KB	Output is correct
39	Correct	10 ms	460 KB	Output is correct
40	Correct	2 ms	324 KB	Output is correct
41	Correct	66 ms	848 KB	Output is correct
42	Correct	32 ms	768 KB	Output is correct
43	Correct	48 ms	664 KB	Output is correct
44	Correct	34 ms	836 KB	Output is correct
45	Correct	36 ms	836 KB	Output is correct
46	Correct	69 ms	736 KB	Output is correct
47	Correct	27 ms	764 KB	Output is correct
48	Correct	40 ms	744 KB	Output is correct
49	Correct	31 ms	684 KB	Output is correct
50	Correct	347 ms	704 KB	Output is correct
51	Correct	364 ms	524 KB	Output is correct
52	Correct	344 ms	452 KB	Output is correct
53	Correct	348 ms	464 KB	Output is correct
54	Correct	334 ms	584 KB	Output is correct
55	Correct	363 ms	464 KB	Output is correct
56	Correct	313 ms	444 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	19 ms	204 KB	Output is correct
10	Correct	5 ms	204 KB	Output is correct
11	Correct	12 ms	312 KB	Output is correct
12	Correct	13 ms	332 KB	Output is correct
13	Correct	18 ms	316 KB	Output is correct
14	Correct	11 ms	312 KB	Output is correct
15	Correct	2 ms	320 KB	Output is correct
16	Correct	10 ms	312 KB	Output is correct
17	Correct	26 ms	204 KB	Output is correct
18	Correct	14 ms	308 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	216 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	316 KB	Output is correct
27	Correct	1 ms	320 KB	Output is correct
28	Correct	0 ms	304 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	320 KB	Output is correct
32	Correct	1 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	8 ms	520 KB	Output is correct
35	Correct	23 ms	724 KB	Output is correct
36	Correct	35 ms	708 KB	Output is correct
37	Correct	68 ms	708 KB	Output is correct
38	Correct	77 ms	680 KB	Output is correct
39	Correct	23 ms	704 KB	Output is correct
40	Correct	1 ms	204 KB	Output is correct
41	Correct	16 ms	460 KB	Output is correct
42	Correct	28 ms	644 KB	Output is correct
43	Correct	6 ms	324 KB	Output is correct
44	Correct	19 ms	596 KB	Output is correct
45	Correct	22 ms	688 KB	Output is correct
46	Correct	28 ms	700 KB	Output is correct
47	Correct	10 ms	460 KB	Output is correct
48	Correct	2 ms	324 KB	Output is correct
49	Correct	66 ms	848 KB	Output is correct
50	Correct	32 ms	768 KB	Output is correct
51	Correct	48 ms	664 KB	Output is correct
52	Correct	34 ms	836 KB	Output is correct
53	Correct	36 ms	836 KB	Output is correct
54	Correct	69 ms	736 KB	Output is correct
55	Correct	27 ms	764 KB	Output is correct
56	Correct	40 ms	744 KB	Output is correct
57	Correct	31 ms	684 KB	Output is correct
58	Correct	347 ms	704 KB	Output is correct
59	Correct	364 ms	524 KB	Output is correct
60	Correct	344 ms	452 KB	Output is correct
61	Correct	348 ms	464 KB	Output is correct
62	Correct	334 ms	584 KB	Output is correct
63	Correct	363 ms	464 KB	Output is correct
64	Correct	313 ms	444 KB	Output is correct
65	Correct	0 ms	204 KB	Output is correct
66	Incorrect	1 ms	204 KB	Output isn't correct
67	Halted	0 ms	0 KB	-

답안 #495285

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