oj.uz

Submission #683531

# Submission time Handle Problem Language Result Execution time Memory
683531 2023-01-18T16:32:11 Z Ronin13 Chessboard (IZhO18_chessboard) C++14
70 / 100
 389 ms 4216 KB 
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define f first
#define s second
#define pii pair<ll,ll>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
using namespace std;
/*
6 8
3 3 3 3
1 2 1 2
3 4 3 4
5 5 5 5
4 3 4 3
4 4 4 4
2 1 2 1
3 6 3 6
*/
int main(){
  //  freopen("school.in", "r", stdin);
 // freopen("school.out", "w", stdout);
    int n, k;
    cin >> n >> k;
    int x1[k + 1], x2[k + 1], y1[k + 1], y2[k + 1];
    for(int i =  1; i <= k; ++i){
        cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
        x1[i]--;
        y1[i]--;
        x2[i]--;
        y2[i]--;
    }
    ll ans = 1e18 + 1;
    for(ll a = 1; a <n; a++){
        if(n % a) continue;
        ll v = n / a;
        ll cnt = 0;
        if(v % 2 == 1)
            cnt += v * (v / 2) + (v + 1)  / 2;
        else cnt = v * v / 2;
        cnt *= a * a;
        for(int i = 1; i <= k; i++){
            int X = x1[i] / a, Y = y1[i] / a;
            if((X + Y) & 1)
                cnt++;
            else cnt--;
        }
        ans = min(ans, cnt);
    }
    for(ll a = 1; a <n; a++){
        if(n % a) continue;
        ll v = n / a;
        ll cnt = -1;
        if(v % 2 == 1)
            cnt += v * (v / 2) + (v + 1) / 2;
        else cnt = v * v / 2;
        cnt *= a * a;
        for(int i = 1; i <= k; i++){
            int X = x1[i] / a, Y = y1[i] / a;
            if((X + Y) & 1)
                cnt--;
            else cnt++;
        }
        ans = min(ans, cnt);
    }
    cout << ans;
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 1236 KB Output is correct
2 Correct 17 ms 532 KB Output is correct
3 Correct 42 ms 852 KB Output is correct
4 Correct 43 ms 980 KB Output is correct
5 Correct 59 ms 1124 KB Output is correct
6 Correct 43 ms 816 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 39 ms 828 KB Output is correct
9 Correct 89 ms 1688 KB Output is correct
10 Correct 53 ms 1060 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 28 ms 720 KB Output is correct
17 Correct 67 ms 1588 KB Output is correct
18 Correct 84 ms 1816 KB Output is correct
19 Correct 121 ms 1652 KB Output is correct
20 Correct 126 ms 1752 KB Output is correct
21 Correct 74 ms 1540 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 40 ms 852 KB Output is correct
24 Correct 77 ms 1676 KB Output is correct
25 Correct 9 ms 416 KB Output is correct
26 Correct 50 ms 1160 KB Output is correct
27 Correct 59 ms 1236 KB Output is correct
28 Correct 81 ms 1760 KB Output is correct
29 Correct 26 ms 724 KB Output is correct
30 Correct 3 ms 212 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 1236 KB Output is correct
2 Correct 17 ms 532 KB Output is correct
3 Correct 42 ms 852 KB Output is correct
4 Correct 43 ms 980 KB Output is correct
5 Correct 59 ms 1124 KB Output is correct
6 Correct 43 ms 816 KB Output is correct
7 Correct 8 ms 340 KB Output is correct
8 Correct 39 ms 828 KB Output is correct
9 Correct 89 ms 1688 KB Output is correct
10 Correct 53 ms 1060 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 2 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 28 ms 720 KB Output is correct
27 Correct 67 ms 1588 KB Output is correct
28 Correct 84 ms 1816 KB Output is correct
29 Correct 121 ms 1652 KB Output is correct
30 Correct 126 ms 1752 KB Output is correct
31 Correct 74 ms 1540 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 40 ms 852 KB Output is correct
34 Correct 77 ms 1676 KB Output is correct
35 Correct 9 ms 416 KB Output is correct
36 Correct 50 ms 1160 KB Output is correct
37 Correct 59 ms 1236 KB Output is correct
38 Correct 81 ms 1760 KB Output is correct
39 Correct 26 ms 724 KB Output is correct
40 Correct 3 ms 212 KB Output is correct
41 Correct 129 ms 1564 KB Output is correct
42 Correct 106 ms 4016 KB Output is correct
43 Correct 112 ms 3476 KB Output is correct
44 Correct 108 ms 3860 KB Output is correct
45 Correct 102 ms 4096 KB Output is correct
46 Correct 157 ms 3952 KB Output is correct
47 Correct 97 ms 3660 KB Output is correct
48 Correct 107 ms 3668 KB Output is correct
49 Correct 107 ms 3532 KB Output is correct
50 Correct 367 ms 3976 KB Output is correct
51 Correct 382 ms 4084 KB Output is correct
52 Correct 354 ms 3844 KB Output is correct
53 Correct 376 ms 4068 KB Output is correct
54 Correct 352 ms 3696 KB Output is correct
55 Correct 389 ms 4216 KB Output is correct
56 Correct 348 ms 3788 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 64 ms 1236 KB Output is correct
10 Correct 17 ms 532 KB Output is correct
11 Correct 42 ms 852 KB Output is correct
12 Correct 43 ms 980 KB Output is correct
13 Correct 59 ms 1124 KB Output is correct
14 Correct 43 ms 816 KB Output is correct
15 Correct 8 ms 340 KB Output is correct
16 Correct 39 ms 828 KB Output is correct
17 Correct 89 ms 1688 KB Output is correct
18 Correct 53 ms 1060 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 28 ms 720 KB Output is correct
35 Correct 67 ms 1588 KB Output is correct
36 Correct 84 ms 1816 KB Output is correct
37 Correct 121 ms 1652 KB Output is correct
38 Correct 126 ms 1752 KB Output is correct
39 Correct 74 ms 1540 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 40 ms 852 KB Output is correct
42 Correct 77 ms 1676 KB Output is correct
43 Correct 9 ms 416 KB Output is correct
44 Correct 50 ms 1160 KB Output is correct
45 Correct 59 ms 1236 KB Output is correct
46 Correct 81 ms 1760 KB Output is correct
47 Correct 26 ms 724 KB Output is correct
48 Correct 3 ms 212 KB Output is correct
49 Correct 129 ms 1564 KB Output is correct
50 Correct 106 ms 4016 KB Output is correct
51 Correct 112 ms 3476 KB Output is correct
52 Correct 108 ms 3860 KB Output is correct
53 Correct 102 ms 4096 KB Output is correct
54 Correct 157 ms 3952 KB Output is correct
55 Correct 97 ms 3660 KB Output is correct
56 Correct 107 ms 3668 KB Output is correct
57 Correct 107 ms 3532 KB Output is correct
58 Correct 367 ms 3976 KB Output is correct
59 Correct 382 ms 4084 KB Output is correct
60 Correct 354 ms 3844 KB Output is correct
61 Correct 376 ms 4068 KB Output is correct
62 Correct 352 ms 3696 KB Output is correct
63 Correct 389 ms 4216 KB Output is correct
64 Correct 348 ms 3788 KB Output is correct
65 Correct 1 ms 300 KB Output is correct
66 Incorrect 1 ms 304 KB Output isn't correct
67 Halted 0 ms 0 KB -