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답안 #495215

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
495215 2021-12-18T06:42:09 Z vinnipuh01 Chessboard (IZhO18_chessboard) C++17
70 / 100
 2000 ms 3556 KB 
#include <iostream>
#include <bits/stdc++.h>
#include <cmath>
#include <algorithm>
#include <vector>
#include <deque>
#include <set>
#include <stack>
#include <string>
#include <map>
#include <queue>
#define int long long

using namespace std;

const long long oo = 1000000000000000000;

long long  sum, ans = 0, mx = 0, mn = 1000000000, num, pos, answer;


/*
    ViHHiPuh

   (( `'-""``""-'` ))
     )-__-_.._-__-(
   / --- (o _ o) --- \
   \ .-* ( .0. ) *-. /
   _'-. ,_ '=' _, .-'_
  / `;#'#'# - #'#'#;` \
 \_)) -----'#'----- ((_/
      # --------- #
  '# ------- ------ #'
  /..-'# ------- #'-.\
  _\...-\'# -- #'/-.../_
  ((____)- '#' -(____))


    cout << fixed << setprecision(6) << x;

    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    freopen ( "sum.in", "r", stdin )
*/

bool prime_number;
int n, m, x[ 100001 ], y[ 100001 ], xx[ 100001 ], yy[ 100001 ];


int f( int o ) {
	num = m * m;
	sum = o * o;
	mn = num / sum;
	ans = mn / 2;
	num = mn / 2;
	if ( mn % 2 )
		num ++;
	ans = ans * sum;
	num = num * sum;
	sum = mx = 0;
	for ( int i = 1; i <= n; i ++ ) {
		for ( int j = x[ i ]; j <= xx[ i ]; j ++ ) {
			for ( int k = y[ i ]; k <= yy[ i ]; k ++ ) {
				if ( ( ( j / o ) + ( k / o ) ) % 2 ) {
					sum ++;
					ans --;
				}
				else {
					num --;
					mx ++;
				}	
			}
		}
		
	}
	return min( ans + mx, num + sum );
}

main () {
	cin >> m >> n;
	prime_number = 1;
	for ( int i = 2; i < m; i ++ ) {
		if ( m % i == 0 ) {
			prime_number = 0;
			break;
		}
	}
	for ( int i = 1; i <= n; i ++ ) {
		cin >> x[ i ] >> y[ i ] >> xx[ i ] >> yy[ i ];
		x[ i ] --;
		y[ i ] --;
		xx[ i ] --;
		yy[ i ] --;
	}
	answer = f( 1 );
	int sq = sqrt( m );
	for ( int i = 2; i <= sq; i ++ ) {
		if ( m % i == 0 ) {
			answer = min( answer, min( f( i ), f( m / i ) ) );
		}
	}
	cout << answer;
}

Compilation message

chessboard.cpp:79:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   79 | main () {
      | ^~~~

Subtask #1
8.0 / 8.0

# 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 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 2360 KB Output is correct
2 Correct 19 ms 1020 KB Output is correct
3 Correct 54 ms 1712 KB Output is correct
4 Correct 44 ms 1852 KB Output is correct
5 Correct 81 ms 2192 KB Output is correct
6 Correct 43 ms 1504 KB Output is correct
7 Correct 8 ms 572 KB Output is correct
8 Correct 44 ms 1508 KB Output is correct
9 Correct 106 ms 3440 KB Output is correct
10 Correct 84 ms 2024 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 2 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 308 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 304 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 2 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 308 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 304 KB Output is correct
16 Correct 27 ms 1328 KB Output is correct
17 Correct 146 ms 3100 KB Output is correct
18 Correct 112 ms 3556 KB Output is correct
19 Correct 130 ms 3364 KB Output is correct
20 Correct 161 ms 3524 KB Output is correct
21 Correct 85 ms 2940 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 50 ms 1752 KB Output is correct
24 Correct 135 ms 3436 KB Output is correct
25 Correct 11 ms 696 KB Output is correct
26 Correct 54 ms 2056 KB Output is correct
27 Correct 74 ms 2396 KB Output is correct
28 Correct 113 ms 3188 KB Output is correct
29 Correct 47 ms 1328 KB Output is correct
30 Correct 4 ms 332 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 2360 KB Output is correct
2 Correct 19 ms 1020 KB Output is correct
3 Correct 54 ms 1712 KB Output is correct
4 Correct 44 ms 1852 KB Output is correct
5 Correct 81 ms 2192 KB Output is correct
6 Correct 43 ms 1504 KB Output is correct
7 Correct 8 ms 572 KB Output is correct
8 Correct 44 ms 1508 KB Output is correct
9 Correct 106 ms 3440 KB Output is correct
10 Correct 84 ms 2024 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 2 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 2 ms 308 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 2 ms 304 KB Output is correct
26 Correct 27 ms 1328 KB Output is correct
27 Correct 146 ms 3100 KB Output is correct
28 Correct 112 ms 3556 KB Output is correct
29 Correct 130 ms 3364 KB Output is correct
30 Correct 161 ms 3524 KB Output is correct
31 Correct 85 ms 2940 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 50 ms 1752 KB Output is correct
34 Correct 135 ms 3436 KB Output is correct
35 Correct 11 ms 696 KB Output is correct
36 Correct 54 ms 2056 KB Output is correct
37 Correct 74 ms 2396 KB Output is correct
38 Correct 113 ms 3188 KB Output is correct
39 Correct 47 ms 1328 KB Output is correct
40 Correct 4 ms 332 KB Output is correct
41 Correct 159 ms 2788 KB Output is correct
42 Correct 121 ms 3172 KB Output is correct
43 Correct 133 ms 2824 KB Output is correct
44 Correct 107 ms 3060 KB Output is correct
45 Correct 112 ms 3344 KB Output is correct
46 Correct 140 ms 3084 KB Output is correct
47 Correct 92 ms 2928 KB Output is correct
48 Correct 109 ms 2908 KB Output is correct
49 Correct 95 ms 2800 KB Output is correct
50 Correct 320 ms 3044 KB Output is correct
51 Correct 330 ms 3324 KB Output is correct
52 Correct 329 ms 3008 KB Output is correct
53 Correct 340 ms 3268 KB Output is correct
54 Correct 351 ms 3060 KB Output is correct
55 Correct 344 ms 3472 KB Output is correct
56 Correct 344 ms 2980 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 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 300 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 77 ms 2360 KB Output is correct
10 Correct 19 ms 1020 KB Output is correct
11 Correct 54 ms 1712 KB Output is correct
12 Correct 44 ms 1852 KB Output is correct
13 Correct 81 ms 2192 KB Output is correct
14 Correct 43 ms 1504 KB Output is correct
15 Correct 8 ms 572 KB Output is correct
16 Correct 44 ms 1508 KB Output is correct
17 Correct 106 ms 3440 KB Output is correct
18 Correct 84 ms 2024 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 2 ms 204 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 2 ms 308 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 304 KB Output is correct
34 Correct 27 ms 1328 KB Output is correct
35 Correct 146 ms 3100 KB Output is correct
36 Correct 112 ms 3556 KB Output is correct
37 Correct 130 ms 3364 KB Output is correct
38 Correct 161 ms 3524 KB Output is correct
39 Correct 85 ms 2940 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 50 ms 1752 KB Output is correct
42 Correct 135 ms 3436 KB Output is correct
43 Correct 11 ms 696 KB Output is correct
44 Correct 54 ms 2056 KB Output is correct
45 Correct 74 ms 2396 KB Output is correct
46 Correct 113 ms 3188 KB Output is correct
47 Correct 47 ms 1328 KB Output is correct
48 Correct 4 ms 332 KB Output is correct
49 Correct 159 ms 2788 KB Output is correct
50 Correct 121 ms 3172 KB Output is correct
51 Correct 133 ms 2824 KB Output is correct
52 Correct 107 ms 3060 KB Output is correct
53 Correct 112 ms 3344 KB Output is correct
54 Correct 140 ms 3084 KB Output is correct
55 Correct 92 ms 2928 KB Output is correct
56 Correct 109 ms 2908 KB Output is correct
57 Correct 95 ms 2800 KB Output is correct
58 Correct 320 ms 3044 KB Output is correct
59 Correct 330 ms 3324 KB Output is correct
60 Correct 329 ms 3008 KB Output is correct
61 Correct 340 ms 3268 KB Output is correct
62 Correct 351 ms 3060 KB Output is correct
63 Correct 344 ms 3472 KB Output is correct
64 Correct 344 ms 2980 KB Output is correct
65 Correct 0 ms 204 KB Output is correct
66 Correct 0 ms 204 KB Output is correct
67 Execution timed out 2084 ms 3144 KB Time limit exceeded
68 Halted 0 ms 0 KB -