oj.uz

답안 #151528

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
151528 2019-09-03T13:45:48 Z nvmdava Chessboard (IZhO18_chessboard) C++17
100 / 100
 701 ms 2808 KB 
#include <bits/stdc++.h>
using namespace std;
#define N 200002
#define ff first
#define ss second
#define ll long long
 
vector<ll> di = {1};
ll dif[200005], res = 1e12;
 
inline ll find(ll x, ll d){
	return x / (2 * d) * d + min(x % (2 * d), d);
}
 
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
 
	mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
	ll n, k, ox, ex, oy, ey;
	cin>>n>>k;
	for(ll i = 2; i * i <= n; i++){
		if(n % i == 0){
			di.push_back(i);
			if(i * i != n) di.push_back(n / i);
		}
	}
	
	for(ll i = 0; i < di.size(); i++)
		dif[i] = n * n - n * n / (di[i] * di[i]) / 2 * (di[i] * di[i]);
	
	while(k--){
		ll x1, x2, y1, y2;
		cin>>x1>>y1>>x2>>y2;
 		x1--; y1--;
		for(ll i = 0; i < di.size(); i++){
			ex = find(x2, di[i]) - find(x1, di[i]);
			ox = x2 - x1 - ex;
			ey = find(y2, di[i]) - find(y1, di[i]);
			oy = y2 - y1 - ey;
			dif[i] += ex * oy + ey * ox - ex * ey - ox * oy;
		}
	}
 
	for(ll i = 0; i < di.size(); i++)
		res = min(res, min(dif[i], n * n - dif[i]));
	
	cout<<res;
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(ll i = 0; i < di.size(); i++)
                ~~^~~~~~~~~~~
chessboard.cpp:38:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ll i = 0; i < di.size(); i++){
                 ~~^~~~~~~~~~~
chessboard.cpp:47:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(ll i = 0; i < di.size(); i++)
                ~~^~~~~~~~~~~

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 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 376 KB Output is correct
2 Correct 10 ms 632 KB Output is correct
3 Correct 20 ms 1272 KB Output is correct
4 Correct 23 ms 1144 KB Output is correct
5 Correct 28 ms 1656 KB Output is correct
6 Correct 19 ms 1144 KB Output is correct
7 Correct 6 ms 504 KB Output is correct
8 Correct 19 ms 1144 KB Output is correct
9 Correct 45 ms 2424 KB Output is correct
10 Correct 26 ms 1528 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 16 ms 760 KB Output is correct
17 Correct 37 ms 1648 KB Output is correct
18 Correct 51 ms 2012 KB Output is correct
19 Correct 157 ms 1784 KB Output is correct
20 Correct 174 ms 1900 KB Output is correct
21 Correct 35 ms 1660 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 32 ms 1016 KB Output is correct
24 Correct 47 ms 1776 KB Output is correct
25 Correct 8 ms 504 KB Output is correct
26 Correct 30 ms 1272 KB Output is correct
27 Correct 43 ms 1392 KB Output is correct
28 Correct 50 ms 1912 KB Output is correct
29 Correct 15 ms 888 KB Output is correct
30 Correct 3 ms 376 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 376 KB Output is correct
2 Correct 10 ms 632 KB Output is correct
3 Correct 20 ms 1272 KB Output is correct
4 Correct 23 ms 1144 KB Output is correct
5 Correct 28 ms 1656 KB Output is correct
6 Correct 19 ms 1144 KB Output is correct
7 Correct 6 ms 504 KB Output is correct
8 Correct 19 ms 1144 KB Output is correct
9 Correct 45 ms 2424 KB Output is correct
10 Correct 26 ms 1528 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 16 ms 760 KB Output is correct
27 Correct 37 ms 1648 KB Output is correct
28 Correct 51 ms 2012 KB Output is correct
29 Correct 157 ms 1784 KB Output is correct
30 Correct 174 ms 1900 KB Output is correct
31 Correct 35 ms 1660 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 32 ms 1016 KB Output is correct
34 Correct 47 ms 1776 KB Output is correct
35 Correct 8 ms 504 KB Output is correct
36 Correct 30 ms 1272 KB Output is correct
37 Correct 43 ms 1392 KB Output is correct
38 Correct 50 ms 1912 KB Output is correct
39 Correct 15 ms 888 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 141 ms 2288 KB Output is correct
42 Correct 56 ms 2552 KB Output is correct
43 Correct 84 ms 2424 KB Output is correct
44 Correct 54 ms 2552 KB Output is correct
45 Correct 48 ms 2808 KB Output is correct
46 Correct 152 ms 2680 KB Output is correct
47 Correct 44 ms 2424 KB Output is correct
48 Correct 70 ms 2424 KB Output is correct
49 Correct 49 ms 2424 KB Output is correct
50 Correct 636 ms 2560 KB Output is correct
51 Correct 684 ms 2780 KB Output is correct
52 Correct 631 ms 2424 KB Output is correct
53 Correct 683 ms 2684 KB Output is correct
54 Correct 621 ms 2652 KB Output is correct
55 Correct 698 ms 2680 KB Output is correct
56 Correct 604 ms 2552 KB Output is correct

Subtask #6
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 31 ms 376 KB Output is correct
10 Correct 10 ms 632 KB Output is correct
11 Correct 20 ms 1272 KB Output is correct
12 Correct 23 ms 1144 KB Output is correct
13 Correct 28 ms 1656 KB Output is correct
14 Correct 19 ms 1144 KB Output is correct
15 Correct 6 ms 504 KB Output is correct
16 Correct 19 ms 1144 KB Output is correct
17 Correct 45 ms 2424 KB Output is correct
18 Correct 26 ms 1528 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 2 ms 380 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 16 ms 760 KB Output is correct
35 Correct 37 ms 1648 KB Output is correct
36 Correct 51 ms 2012 KB Output is correct
37 Correct 157 ms 1784 KB Output is correct
38 Correct 174 ms 1900 KB Output is correct
39 Correct 35 ms 1660 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 32 ms 1016 KB Output is correct
42 Correct 47 ms 1776 KB Output is correct
43 Correct 8 ms 504 KB Output is correct
44 Correct 30 ms 1272 KB Output is correct
45 Correct 43 ms 1392 KB Output is correct
46 Correct 50 ms 1912 KB Output is correct
47 Correct 15 ms 888 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 141 ms 2288 KB Output is correct
50 Correct 56 ms 2552 KB Output is correct
51 Correct 84 ms 2424 KB Output is correct
52 Correct 54 ms 2552 KB Output is correct
53 Correct 48 ms 2808 KB Output is correct
54 Correct 152 ms 2680 KB Output is correct
55 Correct 44 ms 2424 KB Output is correct
56 Correct 70 ms 2424 KB Output is correct
57 Correct 49 ms 2424 KB Output is correct
58 Correct 636 ms 2560 KB Output is correct
59 Correct 684 ms 2780 KB Output is correct
60 Correct 631 ms 2424 KB Output is correct
61 Correct 683 ms 2684 KB Output is correct
62 Correct 621 ms 2652 KB Output is correct
63 Correct 698 ms 2680 KB Output is correct
64 Correct 604 ms 2552 KB Output is correct
65 Correct 2 ms 376 KB Output is correct
66 Correct 2 ms 376 KB Output is correct
67 Correct 655 ms 2548 KB Output is correct
68 Correct 675 ms 2552 KB Output is correct
69 Correct 567 ms 2296 KB Output is correct
70 Correct 625 ms 2552 KB Output is correct
71 Correct 621 ms 2556 KB Output is correct
72 Correct 609 ms 2432 KB Output is correct
73 Correct 596 ms 2424 KB Output is correct
74 Correct 650 ms 2548 KB Output is correct
75 Correct 615 ms 2420 KB Output is correct
76 Correct 656 ms 2680 KB Output is correct
77 Correct 119 ms 2676 KB Output is correct
78 Correct 54 ms 2424 KB Output is correct
79 Correct 88 ms 2328 KB Output is correct
80 Correct 89 ms 2424 KB Output is correct
81 Correct 87 ms 2268 KB Output is correct
82 Correct 75 ms 2592 KB Output is correct
83 Correct 59 ms 2424 KB Output is correct
84 Correct 399 ms 2680 KB Output is correct
85 Correct 701 ms 2680 KB Output is correct
86 Correct 3 ms 380 KB Output is correct
87 Correct 2 ms 376 KB Output is correct
88 Correct 696 ms 2680 KB Output is correct
89 Correct 134 ms 760 KB Output is correct
90 Correct 3 ms 376 KB Output is correct