답안 #42462 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
42462	2018-02-27T12:41:28 Z	bash	Chessboard (IZhO18_chessboard)	C++14	70 / 100	470 ms	26640 KB

chessboard

/**
SXR0aXAkI0JwbXptI3FhI3Z3I293bCNqY2IjUG0jMCNicG0jVHFkcXZvLyNCcG0jQW10bjBhY2phcWFicXZvLyNNYm16dml0MSNWdyNhdGN1am16I2tpdiNhbXF9bSNQcXUjVnd6I0F0bW14MSNQcWEjaXptI2l0dCNicHF2b2EjUXYjYnBtI3BtaWRtdmEjaXZsI3d2I21pemJwMSNFcHcjcWEjYnBtem0ja2l2I3F2Ym16a21sbSNRdiNQcWEjeHptYW12a20jbXtrbXhiI0lhI3BtI3htenVxYmJtYnBHI1BtI3N2d2VtYnAjRXBpYiMraXh4bWl6bWJwI2J3I1BxYSNrem1pYmN6bWEjSWEsI0ptbnd6bSN3eiNJbmJteiN3eiNKbXBxdmwjYnBtdTEjVnd6I2FwaXR0I2JwbXwja3d1eGlhYSNJY29wYiN3biNwcWEjc3Z3ZXRtbG9tI017a214YiNpYSNQbSNlcXR0bWJwMSNQcWEjYnB6d3ZtI2x3YnAjbXtibXZsI1dkbXojYnBtI3BtaWRtdmEjSXZsI3d2I21pemJwLyNpdmwjUG0jbm1tdG1icCNWdyNuaWJxb2NtI3F2I29jaXpscXZvI0l2bCN4em1hbXpkcXZvI2JwbXUvI053eiNQbSNxYSNicG0jVXdhYiNQcW9wMSNCcG0jQWN4em11bSMrcXYjb3R3enwsMQ==
*/
#include <bits/stdc++.h>

#define F first
#define S second
#define endl '\n'
#define pb push_back

#define int __int64_t

const long long MOD = 1e9 + 7;
const long long MAXN = 1e6 + 1;
using namespace std;

typedef long long ll;

long long readInt() {
    bool minus1 = false;
    long long result = 0;
    char ch;
    ch = getchar();
    while (true) {
        if (ch == '-') break;
        if (ch >= '0' && ch <= '9') break;
        ch = getchar();
    }
    if (ch == '-') minus1 = true; else result = ch-'0';
    while (true) {
        ch = getchar();
        if (ch < '0' || ch > '9') break;
        result = result*10 + (ch - '0');
    }
    if (minus1)
        return -result;
    else
        return result;                                              
}

int n, k;

pair <pair <int, int> ,pair <int, int> > a[MAXN];

int check(int v) {
	int kvad = v * v;
	int kolvo_1 = (n/v) / 2;
	int kolvo_2 = ((n/v)+1) / 2;
	int ans_1 = kvad * (kolvo_1 * kolvo_1 + kolvo_2 * kolvo_2); /// BLACK First
	int ans_2 = kvad * (kolvo_1 * kolvo_2 + kolvo_2 * kolvo_1); /// WHITE First
	
	for (int i = 1; i <= k; i++) {
		int x = a[i].first.first;                              
		int y = a[i].first.second;
		int num_x = (x + v - 1) / v;
		int num_y = (y + v - 1) / v;
		if ((num_x + num_y) % 2 == 0) {
			ans_1 --;
			ans_2 ++;
		} else {
			ans_1 ++;
			ans_2 --;
		}
	}
	return min(ans_1, ans_2);
}

 main() {
	#ifdef IZI_KATKA
	assert(freopen("input", "r", stdin));
    assert(freopen("output", "w", stdout));
    #endif
    n = readInt(), k = readInt();
	for (int i = 1; i <= k; i++) {
		a[i] = {{readInt(), readInt()}, {readInt(), readInt()}};		
	}
	check(1);                                                              
	int ans = 4e18;
	ans = min(check(1), ans);
	for (int i = 2; i * i <= n; i++) {
		if (n % i == 0) {
			ans = min(ans, check(i));
			ans = min(ans, check(n/i));						 
		}
	}
	cout << ans;
    return 0;
}

Compilation message

chessboard.cpp:68:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  main() {
       ^

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	248 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	1 ms	404 KB	Output is correct
4	Correct	1 ms	404 KB	Output is correct
5	Correct	1 ms	476 KB	Output is correct
6	Correct	1 ms	532 KB	Output is correct
7	Correct	1 ms	604 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	2540 KB	Output is correct
2	Correct	9 ms	2540 KB	Output is correct
3	Correct	13 ms	3020 KB	Output is correct
4	Correct	13 ms	4088 KB	Output is correct
5	Correct	18 ms	5720 KB	Output is correct
6	Correct	11 ms	5860 KB	Output is correct
7	Correct	5 ms	5860 KB	Output is correct
8	Correct	17 ms	6860 KB	Output is correct
9	Correct	28 ms	10744 KB	Output is correct
10	Correct	16 ms	10744 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	10744 KB	Output is correct
2	Correct	1 ms	10744 KB	Output is correct
3	Correct	1 ms	10744 KB	Output is correct
4	Correct	2 ms	10744 KB	Output is correct
5	Correct	2 ms	10744 KB	Output is correct
6	Correct	1 ms	10744 KB	Output is correct
7	Correct	2 ms	10744 KB	Output is correct
8	Correct	2 ms	10744 KB	Output is correct
9	Correct	2 ms	10744 KB	Output is correct
10	Correct	1 ms	10744 KB	Output is correct
11	Correct	2 ms	10744 KB	Output is correct
12	Correct	1 ms	10744 KB	Output is correct
13	Correct	2 ms	10744 KB	Output is correct
14	Correct	2 ms	10744 KB	Output is correct
15	Correct	2 ms	10744 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	10744 KB	Output is correct
2	Correct	1 ms	10744 KB	Output is correct
3	Correct	1 ms	10744 KB	Output is correct
4	Correct	2 ms	10744 KB	Output is correct
5	Correct	2 ms	10744 KB	Output is correct
6	Correct	1 ms	10744 KB	Output is correct
7	Correct	2 ms	10744 KB	Output is correct
8	Correct	2 ms	10744 KB	Output is correct
9	Correct	2 ms	10744 KB	Output is correct
10	Correct	1 ms	10744 KB	Output is correct
11	Correct	2 ms	10744 KB	Output is correct
12	Correct	1 ms	10744 KB	Output is correct
13	Correct	2 ms	10744 KB	Output is correct
14	Correct	2 ms	10744 KB	Output is correct
15	Correct	2 ms	10744 KB	Output is correct
16	Correct	10 ms	10744 KB	Output is correct
17	Correct	20 ms	11640 KB	Output is correct
18	Correct	29 ms	12168 KB	Output is correct
19	Correct	97 ms	12168 KB	Output is correct
20	Correct	111 ms	12328 KB	Output is correct
21	Correct	21 ms	12328 KB	Output is correct
22	Correct	2 ms	12328 KB	Output is correct
23	Correct	19 ms	12328 KB	Output is correct
24	Correct	28 ms	12328 KB	Output is correct
25	Correct	5 ms	12328 KB	Output is correct
26	Correct	18 ms	12328 KB	Output is correct
27	Correct	25 ms	12328 KB	Output is correct
28	Correct	28 ms	12328 KB	Output is correct
29	Correct	9 ms	12328 KB	Output is correct
30	Correct	2 ms	12328 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	20 ms	2540 KB	Output is correct
2	Correct	9 ms	2540 KB	Output is correct
3	Correct	13 ms	3020 KB	Output is correct
4	Correct	13 ms	4088 KB	Output is correct
5	Correct	18 ms	5720 KB	Output is correct
6	Correct	11 ms	5860 KB	Output is correct
7	Correct	5 ms	5860 KB	Output is correct
8	Correct	17 ms	6860 KB	Output is correct
9	Correct	28 ms	10744 KB	Output is correct
10	Correct	16 ms	10744 KB	Output is correct
11	Correct	1 ms	10744 KB	Output is correct
12	Correct	1 ms	10744 KB	Output is correct
13	Correct	1 ms	10744 KB	Output is correct
14	Correct	2 ms	10744 KB	Output is correct
15	Correct	2 ms	10744 KB	Output is correct
16	Correct	1 ms	10744 KB	Output is correct
17	Correct	2 ms	10744 KB	Output is correct
18	Correct	2 ms	10744 KB	Output is correct
19	Correct	2 ms	10744 KB	Output is correct
20	Correct	1 ms	10744 KB	Output is correct
21	Correct	2 ms	10744 KB	Output is correct
22	Correct	1 ms	10744 KB	Output is correct
23	Correct	2 ms	10744 KB	Output is correct
24	Correct	2 ms	10744 KB	Output is correct
25	Correct	2 ms	10744 KB	Output is correct
26	Correct	10 ms	10744 KB	Output is correct
27	Correct	20 ms	11640 KB	Output is correct
28	Correct	29 ms	12168 KB	Output is correct
29	Correct	97 ms	12168 KB	Output is correct
30	Correct	111 ms	12328 KB	Output is correct
31	Correct	21 ms	12328 KB	Output is correct
32	Correct	2 ms	12328 KB	Output is correct
33	Correct	19 ms	12328 KB	Output is correct
34	Correct	28 ms	12328 KB	Output is correct
35	Correct	5 ms	12328 KB	Output is correct
36	Correct	18 ms	12328 KB	Output is correct
37	Correct	25 ms	12328 KB	Output is correct
38	Correct	28 ms	12328 KB	Output is correct
39	Correct	9 ms	12328 KB	Output is correct
40	Correct	2 ms	12328 KB	Output is correct
41	Correct	102 ms	13608 KB	Output is correct
42	Correct	35 ms	16232 KB	Output is correct
43	Correct	56 ms	17848 KB	Output is correct
44	Correct	38 ms	20356 KB	Output is correct
45	Correct	32 ms	22928 KB	Output is correct
46	Correct	102 ms	24892 KB	Output is correct
47	Correct	28 ms	26220 KB	Output is correct
48	Correct	43 ms	26248 KB	Output is correct
49	Correct	34 ms	26248 KB	Output is correct
50	Correct	409 ms	26464 KB	Output is correct
51	Correct	445 ms	26464 KB	Output is correct
52	Correct	425 ms	26464 KB	Output is correct
53	Correct	448 ms	26464 KB	Output is correct
54	Correct	416 ms	26464 KB	Output is correct
55	Correct	470 ms	26640 KB	Output is correct
56	Correct	406 ms	26640 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	248 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	1 ms	404 KB	Output is correct
4	Correct	1 ms	404 KB	Output is correct
5	Correct	1 ms	476 KB	Output is correct
6	Correct	1 ms	532 KB	Output is correct
7	Correct	1 ms	604 KB	Output is correct
8	Correct	1 ms	604 KB	Output is correct
9	Correct	20 ms	2540 KB	Output is correct
10	Correct	9 ms	2540 KB	Output is correct
11	Correct	13 ms	3020 KB	Output is correct
12	Correct	13 ms	4088 KB	Output is correct
13	Correct	18 ms	5720 KB	Output is correct
14	Correct	11 ms	5860 KB	Output is correct
15	Correct	5 ms	5860 KB	Output is correct
16	Correct	17 ms	6860 KB	Output is correct
17	Correct	28 ms	10744 KB	Output is correct
18	Correct	16 ms	10744 KB	Output is correct
19	Correct	1 ms	10744 KB	Output is correct
20	Correct	1 ms	10744 KB	Output is correct
21	Correct	1 ms	10744 KB	Output is correct
22	Correct	2 ms	10744 KB	Output is correct
23	Correct	2 ms	10744 KB	Output is correct
24	Correct	1 ms	10744 KB	Output is correct
25	Correct	2 ms	10744 KB	Output is correct
26	Correct	2 ms	10744 KB	Output is correct
27	Correct	2 ms	10744 KB	Output is correct
28	Correct	1 ms	10744 KB	Output is correct
29	Correct	2 ms	10744 KB	Output is correct
30	Correct	1 ms	10744 KB	Output is correct
31	Correct	2 ms	10744 KB	Output is correct
32	Correct	2 ms	10744 KB	Output is correct
33	Correct	2 ms	10744 KB	Output is correct
34	Correct	10 ms	10744 KB	Output is correct
35	Correct	20 ms	11640 KB	Output is correct
36	Correct	29 ms	12168 KB	Output is correct
37	Correct	97 ms	12168 KB	Output is correct
38	Correct	111 ms	12328 KB	Output is correct
39	Correct	21 ms	12328 KB	Output is correct
40	Correct	2 ms	12328 KB	Output is correct
41	Correct	19 ms	12328 KB	Output is correct
42	Correct	28 ms	12328 KB	Output is correct
43	Correct	5 ms	12328 KB	Output is correct
44	Correct	18 ms	12328 KB	Output is correct
45	Correct	25 ms	12328 KB	Output is correct
46	Correct	28 ms	12328 KB	Output is correct
47	Correct	9 ms	12328 KB	Output is correct
48	Correct	2 ms	12328 KB	Output is correct
49	Correct	102 ms	13608 KB	Output is correct
50	Correct	35 ms	16232 KB	Output is correct
51	Correct	56 ms	17848 KB	Output is correct
52	Correct	38 ms	20356 KB	Output is correct
53	Correct	32 ms	22928 KB	Output is correct
54	Correct	102 ms	24892 KB	Output is correct
55	Correct	28 ms	26220 KB	Output is correct
56	Correct	43 ms	26248 KB	Output is correct
57	Correct	34 ms	26248 KB	Output is correct
58	Correct	409 ms	26464 KB	Output is correct
59	Correct	445 ms	26464 KB	Output is correct
60	Correct	425 ms	26464 KB	Output is correct
61	Correct	448 ms	26464 KB	Output is correct
62	Correct	416 ms	26464 KB	Output is correct
63	Correct	470 ms	26640 KB	Output is correct
64	Correct	406 ms	26640 KB	Output is correct
65	Correct	2 ms	26640 KB	Output is correct
66	Incorrect	1 ms	26640 KB	Output isn't correct
67	Halted	0 ms	0 KB	-

답안 #42462

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