Submission #878744

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
878744	2023-11-25T07:10:44 Z	Elvin_Fritl	Chessboard (IZhO18_chessboard)	C++17	100 / 100	289 ms	5976 KB

chessboard

#include <bits/stdc++.h>
using namespace std;
 
#define io                      \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);

 
typedef long long ll;
 
ll bp(ll n,ll m){
    if(m == 0){
        return 1;
    }
    if(m == 1){
        return n;
    }
    if(m%2==0){
        return bp(n*n,m/2);
    }
    return n*bp(n,m-1);
}

 
const int N =  2505, M = 33, inf = 1e9 + 99;
const ll inff = 1e12;
 
int main()
{
	io;
	
	ll n, k; 
	cin >> n >> k;
	ll res = n * n;
	ll a[k][4];
	for(int i=0;i<k;i++) {
		cin >> a[i][0] >> a[i][1] >> a[i][2] >> a[i][3];
	}
	for(ll m=1;m<n;m++) {
		if(!(n % m)) { 
			ll tmp = (m * (n / (2 * m)) + min(m, n % (2 * m))) * (n - (m * (n / (2 * m)) + min(m, n % (2 * m)))) + (1LL * m * (n / (2 * m)) + min(1LL * m, 1LL * n % (2 * m))) * (n - (m * (n / (2LL * m)) + min(m, n % (2 * m))));
			for(int i=0;i<k;i++) {
				ll u = a[i][2] - a[i][0] + 1;
				ll x = (m * (a[i][2] / (2 * m)) + min(1LL * m, 1LL * a[i][2] % (2 * m))) - (m * ((a[i][0] - 1) / (2 * m)) + min(1LL * m,1LL *  (a[i][0] - 1) % (2LL * m)));
				ll v = a[i][3] - a[i][1] + 1;
				ll y = (m * (a[i][3] / (2 * m)) + min(1LL * m, 1LL * a[i][3] % (2 * m))) - (1LL * m * ((a[i][1] - 1) / (2 * m)) + min(1LL * m, 1LL * (a[i][1] - 1) % (2LL * m)));;
				tmp += 2 * (x * y + (u - x) * (v - y)) - u * v;
			}
			res = min(res, min(tmp, n * n - tmp));
		}
	}
	cout << res << endl;
    
    return 0;
 
}

Subtask #1
8.0 / 8.0

#	Verdict	Memory	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	600 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	2412 KB	Output is correct
2	Correct	5 ms	1116 KB	Output is correct
3	Correct	12 ms	2396 KB	Output is correct
4	Correct	12 ms	2560 KB	Output is correct
5	Correct	15 ms	3420 KB	Output is correct
6	Correct	10 ms	2164 KB	Output is correct
7	Correct	2 ms	604 KB	Output is correct
8	Correct	12 ms	2368 KB	Output is correct
9	Correct	26 ms	5464 KB	Output is correct
10	Correct	14 ms	3160 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	600 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 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	0 ms	348 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	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	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	600 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 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	0 ms	348 KB	Output is correct
16	Correct	8 ms	1116 KB	Output is correct
17	Correct	19 ms	3084 KB	Output is correct
18	Correct	25 ms	3420 KB	Output is correct
19	Correct	62 ms	3164 KB	Output is correct
20	Correct	69 ms	3416 KB	Output is correct
21	Correct	17 ms	2908 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	14 ms	1628 KB	Output is correct
24	Correct	26 ms	3160 KB	Output is correct
25	Correct	3 ms	604 KB	Output is correct
26	Correct	15 ms	2140 KB	Output is correct
27	Correct	20 ms	2396 KB	Output is correct
28	Correct	24 ms	3420 KB	Output is correct
29	Correct	7 ms	1368 KB	Output is correct
30	Correct	1 ms	344 KB	Output is correct

Subtask #5
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	2412 KB	Output is correct
2	Correct	5 ms	1116 KB	Output is correct
3	Correct	12 ms	2396 KB	Output is correct
4	Correct	12 ms	2560 KB	Output is correct
5	Correct	15 ms	3420 KB	Output is correct
6	Correct	10 ms	2164 KB	Output is correct
7	Correct	2 ms	604 KB	Output is correct
8	Correct	12 ms	2368 KB	Output is correct
9	Correct	26 ms	5464 KB	Output is correct
10	Correct	14 ms	3160 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	600 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	8 ms	1116 KB	Output is correct
27	Correct	19 ms	3084 KB	Output is correct
28	Correct	25 ms	3420 KB	Output is correct
29	Correct	62 ms	3164 KB	Output is correct
30	Correct	69 ms	3416 KB	Output is correct
31	Correct	17 ms	2908 KB	Output is correct
32	Correct	1 ms	344 KB	Output is correct
33	Correct	14 ms	1628 KB	Output is correct
34	Correct	26 ms	3160 KB	Output is correct
35	Correct	3 ms	604 KB	Output is correct
36	Correct	15 ms	2140 KB	Output is correct
37	Correct	20 ms	2396 KB	Output is correct
38	Correct	24 ms	3420 KB	Output is correct
39	Correct	7 ms	1368 KB	Output is correct
40	Correct	1 ms	344 KB	Output is correct
41	Correct	60 ms	4956 KB	Output is correct
42	Correct	29 ms	5460 KB	Output is correct
43	Correct	40 ms	4948 KB	Output is correct
44	Correct	29 ms	5464 KB	Output is correct
45	Correct	27 ms	5712 KB	Output is correct
46	Correct	68 ms	5552 KB	Output is correct
47	Correct	23 ms	4944 KB	Output is correct
48	Correct	34 ms	5212 KB	Output is correct
49	Correct	26 ms	5064 KB	Output is correct
50	Correct	258 ms	5212 KB	Output is correct
51	Correct	276 ms	5972 KB	Output is correct
52	Correct	256 ms	5212 KB	Output is correct
53	Correct	277 ms	5976 KB	Output is correct
54	Correct	253 ms	5204 KB	Output is correct
55	Correct	286 ms	5928 KB	Output is correct
56	Correct	248 ms	5296 KB	Output is correct

Subtask #6
30.0 / 30.0

#	Verdict	Execution time	Memory	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	600 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 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	2412 KB	Output is correct
10	Correct	5 ms	1116 KB	Output is correct
11	Correct	12 ms	2396 KB	Output is correct
12	Correct	12 ms	2560 KB	Output is correct
13	Correct	15 ms	3420 KB	Output is correct
14	Correct	10 ms	2164 KB	Output is correct
15	Correct	2 ms	604 KB	Output is correct
16	Correct	12 ms	2368 KB	Output is correct
17	Correct	26 ms	5464 KB	Output is correct
18	Correct	14 ms	3160 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	0 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	600 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	0 ms	348 KB	Output is correct
34	Correct	8 ms	1116 KB	Output is correct
35	Correct	19 ms	3084 KB	Output is correct
36	Correct	25 ms	3420 KB	Output is correct
37	Correct	62 ms	3164 KB	Output is correct
38	Correct	69 ms	3416 KB	Output is correct
39	Correct	17 ms	2908 KB	Output is correct
40	Correct	1 ms	344 KB	Output is correct
41	Correct	14 ms	1628 KB	Output is correct
42	Correct	26 ms	3160 KB	Output is correct
43	Correct	3 ms	604 KB	Output is correct
44	Correct	15 ms	2140 KB	Output is correct
45	Correct	20 ms	2396 KB	Output is correct
46	Correct	24 ms	3420 KB	Output is correct
47	Correct	7 ms	1368 KB	Output is correct
48	Correct	1 ms	344 KB	Output is correct
49	Correct	60 ms	4956 KB	Output is correct
50	Correct	29 ms	5460 KB	Output is correct
51	Correct	40 ms	4948 KB	Output is correct
52	Correct	29 ms	5464 KB	Output is correct
53	Correct	27 ms	5712 KB	Output is correct
54	Correct	68 ms	5552 KB	Output is correct
55	Correct	23 ms	4944 KB	Output is correct
56	Correct	34 ms	5212 KB	Output is correct
57	Correct	26 ms	5064 KB	Output is correct
58	Correct	258 ms	5212 KB	Output is correct
59	Correct	276 ms	5972 KB	Output is correct
60	Correct	256 ms	5212 KB	Output is correct
61	Correct	277 ms	5976 KB	Output is correct
62	Correct	253 ms	5204 KB	Output is correct
63	Correct	286 ms	5928 KB	Output is correct
64	Correct	248 ms	5296 KB	Output is correct
65	Correct	0 ms	348 KB	Output is correct
66	Correct	0 ms	348 KB	Output is correct
67	Correct	265 ms	5540 KB	Output is correct
68	Correct	266 ms	5640 KB	Output is correct
69	Correct	233 ms	4752 KB	Output is correct
70	Correct	262 ms	5212 KB	Output is correct
71	Correct	261 ms	5336 KB	Output is correct
72	Correct	252 ms	5212 KB	Output is correct
73	Correct	245 ms	5116 KB	Output is correct
74	Correct	266 ms	5456 KB	Output is correct
75	Correct	260 ms	5200 KB	Output is correct
76	Correct	275 ms	5456 KB	Output is correct
77	Correct	55 ms	5720 KB	Output is correct
78	Correct	28 ms	5208 KB	Output is correct
79	Correct	40 ms	5356 KB	Output is correct
80	Correct	42 ms	5200 KB	Output is correct
81	Correct	39 ms	4944 KB	Output is correct
82	Correct	38 ms	5464 KB	Output is correct
83	Correct	30 ms	4944 KB	Output is correct
84	Correct	174 ms	5756 KB	Output is correct
85	Correct	279 ms	5852 KB	Output is correct
86	Correct	1 ms	344 KB	Output is correct
87	Correct	1 ms	344 KB	Output is correct
88	Correct	289 ms	5940 KB	Output is correct
89	Correct	55 ms	1372 KB	Output is correct
90	Correct	1 ms	344 KB	Output is correct

Submission #878744

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 30.0 / 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
30.0 / 30.0