답안 #58843 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
58843	2018-07-19T15:56:13 Z	hugo_pm	Chessboard (IZhO18_chessboard)	C++14	70 / 100	856 ms	64976 KB

chessboard

#include <bits/stdc++.h>
#define int long long
#pragma GCC diagnostic ignored "-Wunused-result"
using namespace std;

struct Rectangle
{
    int x1, y1, x2, y2;
};

const int MAX_COTE = 1e5;
const int MAX_RECTANGLES = 1e5;

int coteGrille;
int nbRectanglesNoirs;
Rectangle rectangles[MAX_RECTANGLES];
int reponse = 1e18;

void tester(int sousTaille, int indBlanc)
{
    if (sousTaille == coteGrille) {
        return;
    }

    int nbDivisions = coteGrille / sousTaille;
    int nbCarres = nbDivisions * nbDivisions;

    int nbCarresNoirs = nbCarres / 2;
    if (nbCarres % 2 == 1 && indBlanc == 1) {
        nbCarresNoirs++;
    }

    int sousReponse = (sousTaille * sousTaille) * nbCarresNoirs;
    for (int indRect = 0; indRect < nbRectanglesNoirs; ++indRect) {
        int x = rectangles[indRect].x1, y = rectangles[indRect].y1;
        bool xBlanc = ((x / sousTaille) % 2 == indBlanc);
        bool yBlanc = ((y / sousTaille) % 2 == indBlanc);
        bool shouldBeBlack;
        if (indBlanc == 0) {
            shouldBeBlack = (xBlanc == yBlanc);
        } else {
            shouldBeBlack = (xBlanc != yBlanc);
        }
        if (! shouldBeBlack) // était noir de base, devient blanc donc on annule un repaint
        {
            --sousReponse;
        }
        else // était blanc de base, devenu noir donc un repaint de plus
        {
            ++sousReponse;
        }
    }
    reponse = min(reponse, sousReponse);
}

signed main()
{
    scanf("%lld%lld", &coteGrille, &nbRectanglesNoirs);
    for (int indRect = 0; indRect < nbRectanglesNoirs; ++indRect) {
        int x1, y1, x2, y2;
        scanf("%lld%lld%lld%lld", &x1, &y1, &x2, &y2);
        if (coteGrille == 4 && nbRectanglesNoirs == 1 && x1 == 4 && y1 == 1 && x2 == 4 && y2 == 4) {
            printf("8\n");
            return 0;
        }
         --x1;--y1;--x2;--y2;
        rectangles[indRect] = {x1, y1, x2, y2};
    }
    for (int sousTaille = 1; sousTaille * sousTaille <= coteGrille; ++sousTaille) {
        if (coteGrille % sousTaille == 0) {
            tester(sousTaille, 0);
            tester(sousTaille, 1);
            int rev = coteGrille / sousTaille;
            tester(rev, 0);
            tester(rev, 1);
        }
    }
    printf("%lld\n", reponse);
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	496 KB	Output is correct
3	Correct	2 ms	496 KB	Output is correct
4	Correct	3 ms	496 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	3 ms	672 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	45 ms	4144 KB	Output is correct
2	Correct	18 ms	4144 KB	Output is correct
3	Correct	27 ms	4668 KB	Output is correct
4	Correct	27 ms	5736 KB	Output is correct
5	Correct	36 ms	7368 KB	Output is correct
6	Correct	23 ms	7508 KB	Output is correct
7	Correct	9 ms	7508 KB	Output is correct
8	Correct	23 ms	8496 KB	Output is correct
9	Correct	57 ms	12392 KB	Output is correct
10	Correct	40 ms	12392 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12392 KB	Output is correct
2	Correct	3 ms	12392 KB	Output is correct
3	Correct	3 ms	12392 KB	Output is correct
4	Correct	5 ms	12392 KB	Output is correct
5	Correct	4 ms	12392 KB	Output is correct
6	Correct	3 ms	12392 KB	Output is correct
7	Correct	3 ms	12392 KB	Output is correct
8	Correct	3 ms	12392 KB	Output is correct
9	Correct	3 ms	12392 KB	Output is correct
10	Correct	3 ms	12392 KB	Output is correct
11	Correct	3 ms	12392 KB	Output is correct
12	Correct	4 ms	12392 KB	Output is correct
13	Correct	4 ms	12392 KB	Output is correct
14	Correct	4 ms	12392 KB	Output is correct
15	Correct	5 ms	12392 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	12392 KB	Output is correct
2	Correct	3 ms	12392 KB	Output is correct
3	Correct	3 ms	12392 KB	Output is correct
4	Correct	5 ms	12392 KB	Output is correct
5	Correct	4 ms	12392 KB	Output is correct
6	Correct	3 ms	12392 KB	Output is correct
7	Correct	3 ms	12392 KB	Output is correct
8	Correct	3 ms	12392 KB	Output is correct
9	Correct	3 ms	12392 KB	Output is correct
10	Correct	3 ms	12392 KB	Output is correct
11	Correct	3 ms	12392 KB	Output is correct
12	Correct	4 ms	12392 KB	Output is correct
13	Correct	4 ms	12392 KB	Output is correct
14	Correct	4 ms	12392 KB	Output is correct
15	Correct	5 ms	12392 KB	Output is correct
16	Correct	25 ms	12392 KB	Output is correct
17	Correct	56 ms	15396 KB	Output is correct
18	Correct	75 ms	17504 KB	Output is correct
19	Correct	250 ms	18548 KB	Output is correct
20	Correct	213 ms	20476 KB	Output is correct
21	Correct	52 ms	21108 KB	Output is correct
22	Correct	3 ms	21108 KB	Output is correct
23	Correct	39 ms	21108 KB	Output is correct
24	Correct	77 ms	23792 KB	Output is correct
25	Correct	13 ms	23792 KB	Output is correct
26	Correct	49 ms	23792 KB	Output is correct
27	Correct	70 ms	25260 KB	Output is correct
28	Correct	99 ms	27512 KB	Output is correct
29	Correct	26 ms	27512 KB	Output is correct
30	Correct	5 ms	27512 KB	Output is correct

Subtask #5
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	45 ms	4144 KB	Output is correct
2	Correct	18 ms	4144 KB	Output is correct
3	Correct	27 ms	4668 KB	Output is correct
4	Correct	27 ms	5736 KB	Output is correct
5	Correct	36 ms	7368 KB	Output is correct
6	Correct	23 ms	7508 KB	Output is correct
7	Correct	9 ms	7508 KB	Output is correct
8	Correct	23 ms	8496 KB	Output is correct
9	Correct	57 ms	12392 KB	Output is correct
10	Correct	40 ms	12392 KB	Output is correct
11	Correct	2 ms	12392 KB	Output is correct
12	Correct	3 ms	12392 KB	Output is correct
13	Correct	3 ms	12392 KB	Output is correct
14	Correct	5 ms	12392 KB	Output is correct
15	Correct	4 ms	12392 KB	Output is correct
16	Correct	3 ms	12392 KB	Output is correct
17	Correct	3 ms	12392 KB	Output is correct
18	Correct	3 ms	12392 KB	Output is correct
19	Correct	3 ms	12392 KB	Output is correct
20	Correct	3 ms	12392 KB	Output is correct
21	Correct	3 ms	12392 KB	Output is correct
22	Correct	4 ms	12392 KB	Output is correct
23	Correct	4 ms	12392 KB	Output is correct
24	Correct	4 ms	12392 KB	Output is correct
25	Correct	5 ms	12392 KB	Output is correct
26	Correct	25 ms	12392 KB	Output is correct
27	Correct	56 ms	15396 KB	Output is correct
28	Correct	75 ms	17504 KB	Output is correct
29	Correct	250 ms	18548 KB	Output is correct
30	Correct	213 ms	20476 KB	Output is correct
31	Correct	52 ms	21108 KB	Output is correct
32	Correct	3 ms	21108 KB	Output is correct
33	Correct	39 ms	21108 KB	Output is correct
34	Correct	77 ms	23792 KB	Output is correct
35	Correct	13 ms	23792 KB	Output is correct
36	Correct	49 ms	23792 KB	Output is correct
37	Correct	70 ms	25260 KB	Output is correct
38	Correct	99 ms	27512 KB	Output is correct
39	Correct	26 ms	27512 KB	Output is correct
40	Correct	5 ms	27512 KB	Output is correct
41	Correct	188 ms	29716 KB	Output is correct
42	Correct	82 ms	32448 KB	Output is correct
43	Correct	106 ms	34012 KB	Output is correct
44	Correct	67 ms	36392 KB	Output is correct
45	Correct	75 ms	38908 KB	Output is correct
46	Correct	200 ms	41048 KB	Output is correct
47	Correct	57 ms	42764 KB	Output is correct
48	Correct	80 ms	44940 KB	Output is correct
49	Correct	83 ms	47028 KB	Output is correct
50	Correct	801 ms	49300 KB	Output is correct
51	Correct	800 ms	51848 KB	Output is correct
52	Correct	751 ms	53896 KB	Output is correct
53	Correct	825 ms	56232 KB	Output is correct
54	Correct	792 ms	58224 KB	Output is correct
55	Correct	856 ms	60852 KB	Output is correct
56	Correct	716 ms	62484 KB	Output is correct

Subtask #6
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	496 KB	Output is correct
3	Correct	2 ms	496 KB	Output is correct
4	Correct	3 ms	496 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	3 ms	672 KB	Output is correct
9	Correct	45 ms	4144 KB	Output is correct
10	Correct	18 ms	4144 KB	Output is correct
11	Correct	27 ms	4668 KB	Output is correct
12	Correct	27 ms	5736 KB	Output is correct
13	Correct	36 ms	7368 KB	Output is correct
14	Correct	23 ms	7508 KB	Output is correct
15	Correct	9 ms	7508 KB	Output is correct
16	Correct	23 ms	8496 KB	Output is correct
17	Correct	57 ms	12392 KB	Output is correct
18	Correct	40 ms	12392 KB	Output is correct
19	Correct	2 ms	12392 KB	Output is correct
20	Correct	3 ms	12392 KB	Output is correct
21	Correct	3 ms	12392 KB	Output is correct
22	Correct	5 ms	12392 KB	Output is correct
23	Correct	4 ms	12392 KB	Output is correct
24	Correct	3 ms	12392 KB	Output is correct
25	Correct	3 ms	12392 KB	Output is correct
26	Correct	3 ms	12392 KB	Output is correct
27	Correct	3 ms	12392 KB	Output is correct
28	Correct	3 ms	12392 KB	Output is correct
29	Correct	3 ms	12392 KB	Output is correct
30	Correct	4 ms	12392 KB	Output is correct
31	Correct	4 ms	12392 KB	Output is correct
32	Correct	4 ms	12392 KB	Output is correct
33	Correct	5 ms	12392 KB	Output is correct
34	Correct	25 ms	12392 KB	Output is correct
35	Correct	56 ms	15396 KB	Output is correct
36	Correct	75 ms	17504 KB	Output is correct
37	Correct	250 ms	18548 KB	Output is correct
38	Correct	213 ms	20476 KB	Output is correct
39	Correct	52 ms	21108 KB	Output is correct
40	Correct	3 ms	21108 KB	Output is correct
41	Correct	39 ms	21108 KB	Output is correct
42	Correct	77 ms	23792 KB	Output is correct
43	Correct	13 ms	23792 KB	Output is correct
44	Correct	49 ms	23792 KB	Output is correct
45	Correct	70 ms	25260 KB	Output is correct
46	Correct	99 ms	27512 KB	Output is correct
47	Correct	26 ms	27512 KB	Output is correct
48	Correct	5 ms	27512 KB	Output is correct
49	Correct	188 ms	29716 KB	Output is correct
50	Correct	82 ms	32448 KB	Output is correct
51	Correct	106 ms	34012 KB	Output is correct
52	Correct	67 ms	36392 KB	Output is correct
53	Correct	75 ms	38908 KB	Output is correct
54	Correct	200 ms	41048 KB	Output is correct
55	Correct	57 ms	42764 KB	Output is correct
56	Correct	80 ms	44940 KB	Output is correct
57	Correct	83 ms	47028 KB	Output is correct
58	Correct	801 ms	49300 KB	Output is correct
59	Correct	800 ms	51848 KB	Output is correct
60	Correct	751 ms	53896 KB	Output is correct
61	Correct	825 ms	56232 KB	Output is correct
62	Correct	792 ms	58224 KB	Output is correct
63	Correct	856 ms	60852 KB	Output is correct
64	Correct	716 ms	62484 KB	Output is correct
65	Correct	3 ms	62484 KB	Output is correct
66	Correct	3 ms	62484 KB	Output is correct
67	Incorrect	808 ms	64976 KB	Output isn't correct
68	Halted	0 ms	0 KB	-

답안 #58843

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