oj.uz

Submission #962449

# Submission time Handle Problem Language Result Execution time Memory
962449 2024-04-13T14:37:22 Z Cookie Chessboard (IZhO18_chessboard) C++14
70 / 100
 199 ms 17492 KB 
#include<bits/stdc++.h>
#include<fstream>
using namespace std;
#define sz(a) (int)a.size()
#define ALL(v) v.begin(), v.end()
#define ALLR(v) v.rbegin(), v.rend()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
#define mpp make_pair
const ld PI = 3.14159265359, prec = 1e-9;;
//using u128 = __uint128_t;
//const int x[4] = {1, 0, -1, 0};
//const int y[4] = {0, -1, 0, 1};
const ll mod = 1e9 + 7, pr = 31;
const int mxn = 5e5 + 5, mxq = 1e5 + 5, sq = 450, mxv = 5e4 + 1;
//const int base = (1 <<18);
const ll inf = 1e10 + 5, neg = -69420, inf2 = 1e14;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// have fun!
ll n, k;
ll ans = inf;
ll x[mxn + 1], y[mxn + 1], x2[mxn + 1], y2[mxn + 1];
void solve(int cand){
    ll odd = 0, even = 0;
    for(int i = 1; i <= k; i++){
        ll sm = x[i] / cand + y[i] / cand;
        if(sm & 1)odd++;
        else even++;
    }
    ll totodd = 0, toteven = 0;
    if((n / cand) & 1){
        toteven = (n * n / (cand * cand) + 1) / 2 * cand * cand;
        totodd = (n * n / (cand * cand)) / 2 * cand * cand;
    }else{
        toteven = (n * n / (cand * cand)) / 2 * cand * cand;
        totodd = (n * n / (cand * cand)) / 2 * cand * cand;
    }
    
    //cout << cand << " " << abs(toteven - even) + k - even << " " << abs(totodd - odd) + k - odd << "\n";
    ans = min(ans, min(abs(toteven - even) + k - even, abs(totodd - odd) + k - odd));
}
void solve(){
    cin >> n >> k;
    for(int i = 1; i <= k; i++){
        cin >> x[i] >> y[i] >> x2[i] >> y2[i]; --x[i]; --y[i]; --x2[i]; --y2[i];
    }
    for(int i = 1; i < n; i++){
        if(n % i == 0){
            solve(i);
        }
    }
    cout << ans;
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    //freopen("netw.inp", "r", stdin);
    //freopen("netw.out", "w", stdout)
    int tt; tt = 1;
    while(tt--){
        solve();
 
    }
    return(0);
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 628 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 12380 KB Output is correct
2 Correct 5 ms 7004 KB Output is correct
3 Correct 11 ms 9560 KB Output is correct
4 Correct 15 ms 9564 KB Output is correct
5 Correct 16 ms 12428 KB Output is correct
6 Correct 11 ms 9560 KB Output is correct
7 Correct 3 ms 6748 KB Output is correct
8 Correct 11 ms 9448 KB Output is correct
9 Correct 27 ms 15036 KB Output is correct
10 Correct 18 ms 11896 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6608 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6488 KB Output is correct
6 Correct 2 ms 6616 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6488 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6616 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6608 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 6488 KB Output is correct
6 Correct 2 ms 6616 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6488 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 1 ms 6616 KB Output is correct
11 Correct 1 ms 6748 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 2 ms 6492 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 1 ms 6492 KB Output is correct
16 Correct 8 ms 9052 KB Output is correct
17 Correct 22 ms 14092 KB Output is correct
18 Correct 24 ms 16476 KB Output is correct
19 Correct 49 ms 14172 KB Output is correct
20 Correct 58 ms 16584 KB Output is correct
21 Correct 19 ms 14172 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 13 ms 9548 KB Output is correct
24 Correct 23 ms 14172 KB Output is correct
25 Correct 4 ms 6748 KB Output is correct
26 Correct 15 ms 11828 KB Output is correct
27 Correct 18 ms 11868 KB Output is correct
28 Correct 24 ms 14428 KB Output is correct
29 Correct 11 ms 9180 KB Output is correct
30 Correct 2 ms 6648 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 12380 KB Output is correct
2 Correct 5 ms 7004 KB Output is correct
3 Correct 11 ms 9560 KB Output is correct
4 Correct 15 ms 9564 KB Output is correct
5 Correct 16 ms 12428 KB Output is correct
6 Correct 11 ms 9560 KB Output is correct
7 Correct 3 ms 6748 KB Output is correct
8 Correct 11 ms 9448 KB Output is correct
9 Correct 27 ms 15036 KB Output is correct
10 Correct 18 ms 11896 KB Output is correct
11 Correct 1 ms 6608 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 6492 KB Output is correct
15 Correct 1 ms 6488 KB Output is correct
16 Correct 2 ms 6616 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6488 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 1 ms 6616 KB Output is correct
21 Correct 1 ms 6748 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 2 ms 6492 KB Output is correct
24 Correct 2 ms 6492 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 8 ms 9052 KB Output is correct
27 Correct 22 ms 14092 KB Output is correct
28 Correct 24 ms 16476 KB Output is correct
29 Correct 49 ms 14172 KB Output is correct
30 Correct 58 ms 16584 KB Output is correct
31 Correct 19 ms 14172 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 13 ms 9548 KB Output is correct
34 Correct 23 ms 14172 KB Output is correct
35 Correct 4 ms 6748 KB Output is correct
36 Correct 15 ms 11828 KB Output is correct
37 Correct 18 ms 11868 KB Output is correct
38 Correct 24 ms 14428 KB Output is correct
39 Correct 11 ms 9180 KB Output is correct
40 Correct 2 ms 6648 KB Output is correct
41 Correct 47 ms 14860 KB Output is correct
42 Correct 30 ms 15128 KB Output is correct
43 Correct 33 ms 14748 KB Output is correct
44 Correct 34 ms 14940 KB Output is correct
45 Correct 26 ms 17244 KB Output is correct
46 Correct 54 ms 14984 KB Output is correct
47 Correct 23 ms 14928 KB Output is correct
48 Correct 30 ms 14860 KB Output is correct
49 Correct 24 ms 14716 KB Output is correct
50 Correct 181 ms 15116 KB Output is correct
51 Correct 195 ms 17312 KB Output is correct
52 Correct 183 ms 15092 KB Output is correct
53 Correct 191 ms 15112 KB Output is correct
54 Correct 180 ms 15072 KB Output is correct
55 Correct 199 ms 17492 KB Output is correct
56 Correct 180 ms 15004 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 628 KB Output is correct
9 Correct 17 ms 12380 KB Output is correct
10 Correct 5 ms 7004 KB Output is correct
11 Correct 11 ms 9560 KB Output is correct
12 Correct 15 ms 9564 KB Output is correct
13 Correct 16 ms 12428 KB Output is correct
14 Correct 11 ms 9560 KB Output is correct
15 Correct 3 ms 6748 KB Output is correct
16 Correct 11 ms 9448 KB Output is correct
17 Correct 27 ms 15036 KB Output is correct
18 Correct 18 ms 11896 KB Output is correct
19 Correct 1 ms 6608 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 6492 KB Output is correct
23 Correct 1 ms 6488 KB Output is correct
24 Correct 2 ms 6616 KB Output is correct
25 Correct 1 ms 6492 KB Output is correct
26 Correct 1 ms 6488 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 1 ms 6616 KB Output is correct
29 Correct 1 ms 6748 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 2 ms 6492 KB Output is correct
33 Correct 1 ms 6492 KB Output is correct
34 Correct 8 ms 9052 KB Output is correct
35 Correct 22 ms 14092 KB Output is correct
36 Correct 24 ms 16476 KB Output is correct
37 Correct 49 ms 14172 KB Output is correct
38 Correct 58 ms 16584 KB Output is correct
39 Correct 19 ms 14172 KB Output is correct
40 Correct 1 ms 6492 KB Output is correct
41 Correct 13 ms 9548 KB Output is correct
42 Correct 23 ms 14172 KB Output is correct
43 Correct 4 ms 6748 KB Output is correct
44 Correct 15 ms 11828 KB Output is correct
45 Correct 18 ms 11868 KB Output is correct
46 Correct 24 ms 14428 KB Output is correct
47 Correct 11 ms 9180 KB Output is correct
48 Correct 2 ms 6648 KB Output is correct
49 Correct 47 ms 14860 KB Output is correct
50 Correct 30 ms 15128 KB Output is correct
51 Correct 33 ms 14748 KB Output is correct
52 Correct 34 ms 14940 KB Output is correct
53 Correct 26 ms 17244 KB Output is correct
54 Correct 54 ms 14984 KB Output is correct
55 Correct 23 ms 14928 KB Output is correct
56 Correct 30 ms 14860 KB Output is correct
57 Correct 24 ms 14716 KB Output is correct
58 Correct 181 ms 15116 KB Output is correct
59 Correct 195 ms 17312 KB Output is correct
60 Correct 183 ms 15092 KB Output is correct
61 Correct 191 ms 15112 KB Output is correct
62 Correct 180 ms 15072 KB Output is correct
63 Correct 199 ms 17492 KB Output is correct
64 Correct 180 ms 15004 KB Output is correct
65 Correct 1 ms 6492 KB Output is correct
66 Incorrect 1 ms 6616 KB Output isn't correct
67 Halted 0 ms 0 KB -