답안 #334478

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
334478	2020-12-09T08:01:39 Z	amunduzbaev	Chessboard (IZhO18_chessboard)	C++14	70 / 100	467 ms	3688 KB

chessboard

#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ll long long 
#define ld long double 
#define pii pair<int, int>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define prc(n) fixed << setprecision(n)
#define fastios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pi acos(-1);
const int inf = 1e9+7;
const int N = 1;

vector<pii>vv;
ll ans, n, k;
 
void check(ll size){
	ll rem1 = ((n/size) * (n/size) +1)/2ll * size * size, er1 = 0;
	for(int i=0;i<sz(vv);i++){
		ll x = vv[i].ff / size, y = vv[i].ss / size;
		if((x + y) %2 == 0) rem1--;
		else er1++;
	}
	ans = min(ans, er1 + rem1);
	
	rem1 = ((n/size)* (n/size))/2ll * size * size, er1 = 0;
	for(int i=0;i<sz(vv);i++){
		ll x = vv[i].ff / size, y = vv[i].ss / size;
		if((x + y) % 2) rem1--;
		else er1++;
	}
	ans = min(ans, er1 + rem1);
}
 
void solve(){
	fastios
	ans = (ll)inf * (ll)inf;
	cin>>n>>k;
	for(int i=0;i<k;i++){
		ll a, b, c, d;
		cin>>a>>b>>c>>d;
		vv.pb({--a, --b});
	}
	check(1);
	for(ll i=2;i *1ll * i<=n;i++){
		if(n % i == 0){
			check(i);
			check(n/i);
		}
	}
	cout<<ans<<"\n";
	return;
}
/*
 
6 8
1 2 1 2
2 1 2 1
3 3 3 3
3 4 3 4
4 3 4 3
4 4 4 4
3 6 3 6
5 5 5 5
 
*/
int main(){
	fastios
	int t = 1;
	//cin>>t;
	while(t--) solve();
	return 0;
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	1008 KB	Output is correct
2	Correct	7 ms	1132 KB	Output is correct
3	Correct	19 ms	1904 KB	Output is correct
4	Correct	19 ms	1796 KB	Output is correct
5	Correct	23 ms	2156 KB	Output is correct
6	Correct	15 ms	1776 KB	Output is correct
7	Correct	4 ms	620 KB	Output is correct
8	Correct	15 ms	1776 KB	Output is correct
9	Correct	38 ms	3304 KB	Output is correct
10	Correct	21 ms	2032 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	364 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	364 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	1 ms	364 KB	Output is correct
6	Correct	1 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	1 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	1 ms	364 KB	Output is correct
11	Correct	1 ms	364 KB	Output is correct
12	Correct	1 ms	364 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	13 ms	748 KB	Output is correct
17	Correct	29 ms	1644 KB	Output is correct
18	Correct	41 ms	1516 KB	Output is correct
19	Correct	104 ms	1516 KB	Output is correct
20	Correct	123 ms	1516 KB	Output is correct
21	Correct	30 ms	1516 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	25 ms	1008 KB	Output is correct
24	Correct	37 ms	1516 KB	Output is correct
25	Correct	5 ms	492 KB	Output is correct
26	Correct	24 ms	1008 KB	Output is correct
27	Correct	33 ms	1516 KB	Output is correct
28	Correct	39 ms	1516 KB	Output is correct
29	Correct	12 ms	1008 KB	Output is correct
30	Correct	2 ms	364 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	25 ms	1008 KB	Output is correct
2	Correct	7 ms	1132 KB	Output is correct
3	Correct	19 ms	1904 KB	Output is correct
4	Correct	19 ms	1796 KB	Output is correct
5	Correct	23 ms	2156 KB	Output is correct
6	Correct	15 ms	1776 KB	Output is correct
7	Correct	4 ms	620 KB	Output is correct
8	Correct	15 ms	1776 KB	Output is correct
9	Correct	38 ms	3304 KB	Output is correct
10	Correct	21 ms	2032 KB	Output is correct
11	Correct	2 ms	364 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	1 ms	364 KB	Output is correct
15	Correct	1 ms	364 KB	Output is correct
16	Correct	1 ms	364 KB	Output is correct
17	Correct	1 ms	364 KB	Output is correct
18	Correct	1 ms	364 KB	Output is correct
19	Correct	1 ms	364 KB	Output is correct
20	Correct	1 ms	364 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	492 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	13 ms	748 KB	Output is correct
27	Correct	29 ms	1644 KB	Output is correct
28	Correct	41 ms	1516 KB	Output is correct
29	Correct	104 ms	1516 KB	Output is correct
30	Correct	123 ms	1516 KB	Output is correct
31	Correct	30 ms	1516 KB	Output is correct
32	Correct	1 ms	364 KB	Output is correct
33	Correct	25 ms	1008 KB	Output is correct
34	Correct	37 ms	1516 KB	Output is correct
35	Correct	5 ms	492 KB	Output is correct
36	Correct	24 ms	1008 KB	Output is correct
37	Correct	33 ms	1516 KB	Output is correct
38	Correct	39 ms	1516 KB	Output is correct
39	Correct	12 ms	1008 KB	Output is correct
40	Correct	2 ms	364 KB	Output is correct
41	Correct	96 ms	3308 KB	Output is correct
42	Correct	45 ms	3452 KB	Output is correct
43	Correct	63 ms	3308 KB	Output is correct
44	Correct	44 ms	3308 KB	Output is correct
45	Correct	41 ms	3560 KB	Output is correct
46	Correct	108 ms	3432 KB	Output is correct
47	Correct	36 ms	3308 KB	Output is correct
48	Correct	55 ms	3308 KB	Output is correct
49	Correct	40 ms	3308 KB	Output is correct
50	Correct	430 ms	3476 KB	Output is correct
51	Correct	456 ms	3688 KB	Output is correct
52	Correct	417 ms	3308 KB	Output is correct
53	Correct	447 ms	3688 KB	Output is correct
54	Correct	416 ms	3308 KB	Output is correct
55	Correct	467 ms	3688 KB	Output is correct
56	Correct	407 ms	3308 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	0 ms	364 KB	Output is correct
3	Correct	0 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	0 ms	364 KB	Output is correct
6	Correct	0 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	0 ms	364 KB	Output is correct
9	Correct	25 ms	1008 KB	Output is correct
10	Correct	7 ms	1132 KB	Output is correct
11	Correct	19 ms	1904 KB	Output is correct
12	Correct	19 ms	1796 KB	Output is correct
13	Correct	23 ms	2156 KB	Output is correct
14	Correct	15 ms	1776 KB	Output is correct
15	Correct	4 ms	620 KB	Output is correct
16	Correct	15 ms	1776 KB	Output is correct
17	Correct	38 ms	3304 KB	Output is correct
18	Correct	21 ms	2032 KB	Output is correct
19	Correct	2 ms	364 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	364 KB	Output is correct
22	Correct	1 ms	364 KB	Output is correct
23	Correct	1 ms	364 KB	Output is correct
24	Correct	1 ms	364 KB	Output is correct
25	Correct	1 ms	364 KB	Output is correct
26	Correct	1 ms	364 KB	Output is correct
27	Correct	1 ms	364 KB	Output is correct
28	Correct	1 ms	364 KB	Output is correct
29	Correct	1 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	364 KB	Output is correct
34	Correct	13 ms	748 KB	Output is correct
35	Correct	29 ms	1644 KB	Output is correct
36	Correct	41 ms	1516 KB	Output is correct
37	Correct	104 ms	1516 KB	Output is correct
38	Correct	123 ms	1516 KB	Output is correct
39	Correct	30 ms	1516 KB	Output is correct
40	Correct	1 ms	364 KB	Output is correct
41	Correct	25 ms	1008 KB	Output is correct
42	Correct	37 ms	1516 KB	Output is correct
43	Correct	5 ms	492 KB	Output is correct
44	Correct	24 ms	1008 KB	Output is correct
45	Correct	33 ms	1516 KB	Output is correct
46	Correct	39 ms	1516 KB	Output is correct
47	Correct	12 ms	1008 KB	Output is correct
48	Correct	2 ms	364 KB	Output is correct
49	Correct	96 ms	3308 KB	Output is correct
50	Correct	45 ms	3452 KB	Output is correct
51	Correct	63 ms	3308 KB	Output is correct
52	Correct	44 ms	3308 KB	Output is correct
53	Correct	41 ms	3560 KB	Output is correct
54	Correct	108 ms	3432 KB	Output is correct
55	Correct	36 ms	3308 KB	Output is correct
56	Correct	55 ms	3308 KB	Output is correct
57	Correct	40 ms	3308 KB	Output is correct
58	Correct	430 ms	3476 KB	Output is correct
59	Correct	456 ms	3688 KB	Output is correct
60	Correct	417 ms	3308 KB	Output is correct
61	Correct	447 ms	3688 KB	Output is correct
62	Correct	416 ms	3308 KB	Output is correct
63	Correct	467 ms	3688 KB	Output is correct
64	Correct	407 ms	3308 KB	Output is correct
65	Correct	1 ms	364 KB	Output is correct
66	Incorrect	1 ms	364 KB	Output isn't correct
67	Halted	0 ms	0 KB	-

답안 #334478

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