oj.uz

답안 #881172

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
881172 2023-11-30T17:48:11 Z dimashhh Chessboard (IZhO18_chessboard) C++17
100 / 100
 1071 ms 208052 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e5 + 1;

#define int long long
int odd[N][129],even[N][129],it = 0;
ll col_eq(int k,int x,int y,int x1,int y1){
    ll ret = (odd[x1][k] - odd[x - 1][k]) * (odd[y1][k] - odd[y - 1][k]);
    ret += (even[x1][k] - even[x - 1][k]) *1ll* (even[y1][k] - even[y - 1][k]);
    return ret;
}
ll col_non_eq(int k,int x,int y,int x1,int y1){
    ll ret = (odd[x1][k] - odd[x - 1][k]) * (even[y1][k] - even[y - 1][k]);
    ret += (even[x1][k] - even[x - 1][k]) *1ll* (odd[y1][k] - odd[y - 1][k]);
    assert(ret == (x1 - x + 1) * (y1  - y + 1) - col_eq(k,x,y,x1,y1));
    return ret;
}
vector<pair<pair<int,int>,pair<int,int>>> a;
ll n,k;
int get(ll del,ll i){
    ll res1 = 0,res2 = 0;
    for(auto [x,y]:a){
        res1 += col_eq(i,x.first,x.second,y.first,y.second);
        res2 += col_non_eq(i,x.first,x.second,y.first,y.second);
    }
    res1 = ((n * n / del / del)) / 2 * (del * del) - res2 + res1;
    return min(res1,n * n - res1);
}
void test(){
    cin >> n >> k;
    for(int i = 1;i <= k;i++){
        int x,y,x1,y1;
        cin >> x >> y >> x1 >> y1;
        a.push_back({{x,y},{x1,y1}});
    }
    ll res = 1e10;
    for(int i = 1;i < n;i++){
        if(n % i == 0){
            for(int j = 1;j <= n;j++){
                int x = (i + j - 1) / i;
                odd[j][it] = odd[j - 1][it];
                even[j][it] = even[j - 1][it];
                if(x & 1){
                    odd[j][it]++;
                }else{
                    even[j][it]++;
                }
            }
            it++;
        }
    }
    it = 0;
    for(int i = 1;i < n;i++){
        if(n % i == 0){
            res = min(res,1ll*get(i,it));
            it++;
        }
    }
    cout << res << endl;
}
main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    test();
}

Compilation message

chessboard.cpp:62:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   62 | main(){
      | ^~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 0 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct

Subtask #2
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 131296 KB Output is correct
2 Correct 9 ms 29912 KB Output is correct
3 Correct 46 ms 172996 KB Output is correct
4 Correct 13 ms 10964 KB Output is correct
5 Correct 32 ms 118384 KB Output is correct
6 Correct 24 ms 100812 KB Output is correct
7 Correct 9 ms 48092 KB Output is correct
8 Correct 25 ms 104916 KB Output is correct
9 Correct 35 ms 68956 KB Output is correct
10 Correct 28 ms 81304 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 604 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 472 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 856 KB Output is correct
2 Correct 0 ms 600 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 1 ms 600 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 604 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 472 KB Output is correct
16 Correct 8 ms 4932 KB Output is correct
17 Correct 20 ms 9120 KB Output is correct
18 Correct 28 ms 8804 KB Output is correct
19 Correct 52 ms 8144 KB Output is correct
20 Correct 57 ms 8912 KB Output is correct
21 Correct 19 ms 8132 KB Output is correct
22 Correct 1 ms 3672 KB Output is correct
23 Correct 14 ms 5840 KB Output is correct
24 Correct 23 ms 9168 KB Output is correct
25 Correct 4 ms 4060 KB Output is correct
26 Correct 15 ms 6356 KB Output is correct
27 Correct 20 ms 6864 KB Output is correct
28 Correct 24 ms 8136 KB Output is correct
29 Correct 9 ms 5584 KB Output is correct
30 Correct 2 ms 3932 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 69 ms 131296 KB Output is correct
2 Correct 9 ms 29912 KB Output is correct
3 Correct 46 ms 172996 KB Output is correct
4 Correct 13 ms 10964 KB Output is correct
5 Correct 32 ms 118384 KB Output is correct
6 Correct 24 ms 100812 KB Output is correct
7 Correct 9 ms 48092 KB Output is correct
8 Correct 25 ms 104916 KB Output is correct
9 Correct 35 ms 68956 KB Output is correct
10 Correct 28 ms 81304 KB Output is correct
11 Correct 1 ms 856 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 604 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 1 ms 600 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 0 ms 604 KB Output is correct
20 Correct 0 ms 604 KB Output is correct
21 Correct 0 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 472 KB Output is correct
26 Correct 8 ms 4932 KB Output is correct
27 Correct 20 ms 9120 KB Output is correct
28 Correct 28 ms 8804 KB Output is correct
29 Correct 52 ms 8144 KB Output is correct
30 Correct 57 ms 8912 KB Output is correct
31 Correct 19 ms 8132 KB Output is correct
32 Correct 1 ms 3672 KB Output is correct
33 Correct 14 ms 5840 KB Output is correct
34 Correct 23 ms 9168 KB Output is correct
35 Correct 4 ms 4060 KB Output is correct
36 Correct 15 ms 6356 KB Output is correct
37 Correct 20 ms 6864 KB Output is correct
38 Correct 24 ms 8136 KB Output is correct
39 Correct 9 ms 5584 KB Output is correct
40 Correct 2 ms 3932 KB Output is correct
41 Correct 243 ms 207020 KB Output is correct
42 Correct 71 ms 208052 KB Output is correct
43 Correct 137 ms 206924 KB Output is correct
44 Correct 70 ms 207756 KB Output is correct
45 Correct 57 ms 207548 KB Output is correct
46 Correct 244 ms 207040 KB Output is correct
47 Correct 58 ms 207808 KB Output is correct
48 Correct 105 ms 207808 KB Output is correct
49 Correct 69 ms 207936 KB Output is correct
50 Correct 993 ms 176576 KB Output is correct
51 Correct 1059 ms 176160 KB Output is correct
52 Correct 993 ms 175896 KB Output is correct
53 Correct 1030 ms 175976 KB Output is correct
54 Correct 995 ms 176136 KB Output is correct
55 Correct 1071 ms 176572 KB Output is correct
56 Correct 951 ms 176228 KB Output is correct

Subtask #6
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 604 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 0 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 0 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Correct 69 ms 131296 KB Output is correct
10 Correct 9 ms 29912 KB Output is correct
11 Correct 46 ms 172996 KB Output is correct
12 Correct 13 ms 10964 KB Output is correct
13 Correct 32 ms 118384 KB Output is correct
14 Correct 24 ms 100812 KB Output is correct
15 Correct 9 ms 48092 KB Output is correct
16 Correct 25 ms 104916 KB Output is correct
17 Correct 35 ms 68956 KB Output is correct
18 Correct 28 ms 81304 KB Output is correct
19 Correct 1 ms 856 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 0 ms 604 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 0 ms 604 KB Output is correct
25 Correct 1 ms 600 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 0 ms 604 KB Output is correct
28 Correct 0 ms 604 KB Output is correct
29 Correct 0 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 472 KB Output is correct
34 Correct 8 ms 4932 KB Output is correct
35 Correct 20 ms 9120 KB Output is correct
36 Correct 28 ms 8804 KB Output is correct
37 Correct 52 ms 8144 KB Output is correct
38 Correct 57 ms 8912 KB Output is correct
39 Correct 19 ms 8132 KB Output is correct
40 Correct 1 ms 3672 KB Output is correct
41 Correct 14 ms 5840 KB Output is correct
42 Correct 23 ms 9168 KB Output is correct
43 Correct 4 ms 4060 KB Output is correct
44 Correct 15 ms 6356 KB Output is correct
45 Correct 20 ms 6864 KB Output is correct
46 Correct 24 ms 8136 KB Output is correct
47 Correct 9 ms 5584 KB Output is correct
48 Correct 2 ms 3932 KB Output is correct
49 Correct 243 ms 207020 KB Output is correct
50 Correct 71 ms 208052 KB Output is correct
51 Correct 137 ms 206924 KB Output is correct
52 Correct 70 ms 207756 KB Output is correct
53 Correct 57 ms 207548 KB Output is correct
54 Correct 244 ms 207040 KB Output is correct
55 Correct 58 ms 207808 KB Output is correct
56 Correct 105 ms 207808 KB Output is correct
57 Correct 69 ms 207936 KB Output is correct
58 Correct 993 ms 176576 KB Output is correct
59 Correct 1059 ms 176160 KB Output is correct
60 Correct 993 ms 175896 KB Output is correct
61 Correct 1030 ms 175976 KB Output is correct
62 Correct 995 ms 176136 KB Output is correct
63 Correct 1071 ms 176572 KB Output is correct
64 Correct 951 ms 176228 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 978 ms 176512 KB Output is correct
68 Correct 914 ms 176444 KB Output is correct
69 Correct 710 ms 175296 KB Output is correct
70 Correct 611 ms 176316 KB Output is correct
71 Correct 725 ms 175552 KB Output is correct
72 Correct 694 ms 175996 KB Output is correct
73 Correct 816 ms 175552 KB Output is correct
74 Correct 906 ms 176932 KB Output is correct
75 Correct 654 ms 175804 KB Output is correct
76 Correct 909 ms 176752 KB Output is correct
77 Correct 161 ms 207616 KB Output is correct
78 Correct 69 ms 207292 KB Output is correct
79 Correct 121 ms 207432 KB Output is correct
80 Correct 117 ms 206876 KB Output is correct
81 Correct 120 ms 207940 KB Output is correct
82 Correct 99 ms 207796 KB Output is correct
83 Correct 78 ms 206620 KB Output is correct
84 Correct 545 ms 207568 KB Output is correct
85 Correct 914 ms 176320 KB Output is correct
86 Correct 125 ms 170588 KB Output is correct
87 Correct 122 ms 170588 KB Output is correct
88 Correct 888 ms 176520 KB Output is correct
89 Correct 246 ms 171976 KB Output is correct
90 Correct 127 ms 170588 KB Output is correct