oj.uz

Submission #683533

# Submission time Handle Problem Language Result Execution time Memory
683533 2023-01-18T16:36:35 Z Ronin13 Chessboard (IZhO18_chessboard) C++14
47 / 100
 135 ms 3496 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
*/



ll C(ll x1, ll y1, ll x2, ll y2, ll a){

    ll X = (x1 / a);
    ll Y = (y1 / a);
    if((X + Y) & 1) return 1;
    return -1;

}

int main(){
  //  freopen("school.in", "r", stdin);
 // freopen("school.out", "w", stdout);
    ll n, k;
    cin >> n >> k;
    ll 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(int 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++){
            cnt += C(x1[i], y1[i], x2[i], y2[i], a);
        }
        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++)
            cnt -= C(x1[i], y1[i], x2[i], y2[i], a);
        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 68 ms 2236 KB Output is correct
2 Correct 22 ms 812 KB Output is correct
3 Correct 53 ms 1500 KB Output is correct
4 Correct 46 ms 1720 KB Output is correct
5 Correct 56 ms 1976 KB Output is correct
6 Correct 38 ms 1364 KB Output is correct
7 Correct 9 ms 468 KB Output is correct
8 Correct 38 ms 1364 KB Output is correct
9 Correct 98 ms 3100 KB Output is correct
10 Correct 53 ms 1748 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 1 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 1 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 2 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 1 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 1 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 2 ms 212 KB Output is correct
16 Correct 25 ms 1108 KB Output is correct
17 Correct 72 ms 2908 KB Output is correct
18 Correct 100 ms 3496 KB Output is correct
19 Correct 135 ms 3036 KB Output is correct
20 Correct 132 ms 3284 KB Output is correct
21 Correct 65 ms 2804 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 42 ms 1492 KB Output is correct
24 Correct 80 ms 3028 KB Output is correct
25 Correct 8 ms 468 KB Output is correct
26 Correct 51 ms 2060 KB Output is correct
27 Correct 65 ms 2400 KB Output is correct
28 Correct 78 ms 3256 KB Output is correct
29 Correct 26 ms 1336 KB Output is correct
30 Correct 2 ms 340 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 2236 KB Output is correct
2 Correct 22 ms 812 KB Output is correct
3 Correct 53 ms 1500 KB Output is correct
4 Correct 46 ms 1720 KB Output is correct
5 Correct 56 ms 1976 KB Output is correct
6 Correct 38 ms 1364 KB Output is correct
7 Correct 9 ms 468 KB Output is correct
8 Correct 38 ms 1364 KB Output is correct
9 Correct 98 ms 3100 KB Output is correct
10 Correct 53 ms 1748 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 1 ms 212 KB Output is correct
17 Correct 1 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 2 ms 212 KB Output is correct
26 Correct 25 ms 1108 KB Output is correct
27 Correct 72 ms 2908 KB Output is correct
28 Correct 100 ms 3496 KB Output is correct
29 Correct 135 ms 3036 KB Output is correct
30 Correct 132 ms 3284 KB Output is correct
31 Correct 65 ms 2804 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 42 ms 1492 KB Output is correct
34 Correct 80 ms 3028 KB Output is correct
35 Correct 8 ms 468 KB Output is correct
36 Correct 51 ms 2060 KB Output is correct
37 Correct 65 ms 2400 KB Output is correct
38 Correct 78 ms 3256 KB Output is correct
39 Correct 26 ms 1336 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Incorrect 131 ms 2772 KB Output isn't correct
42 Halted 0 ms 0 KB -

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 68 ms 2236 KB Output is correct
10 Correct 22 ms 812 KB Output is correct
11 Correct 53 ms 1500 KB Output is correct
12 Correct 46 ms 1720 KB Output is correct
13 Correct 56 ms 1976 KB Output is correct
14 Correct 38 ms 1364 KB Output is correct
15 Correct 9 ms 468 KB Output is correct
16 Correct 38 ms 1364 KB Output is correct
17 Correct 98 ms 3100 KB Output is correct
18 Correct 53 ms 1748 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 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 2 ms 212 KB Output is correct
34 Correct 25 ms 1108 KB Output is correct
35 Correct 72 ms 2908 KB Output is correct
36 Correct 100 ms 3496 KB Output is correct
37 Correct 135 ms 3036 KB Output is correct
38 Correct 132 ms 3284 KB Output is correct
39 Correct 65 ms 2804 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 42 ms 1492 KB Output is correct
42 Correct 80 ms 3028 KB Output is correct
43 Correct 8 ms 468 KB Output is correct
44 Correct 51 ms 2060 KB Output is correct
45 Correct 65 ms 2400 KB Output is correct
46 Correct 78 ms 3256 KB Output is correct
47 Correct 26 ms 1336 KB Output is correct
48 Correct 2 ms 340 KB Output is correct
49 Incorrect 131 ms 2772 KB Output isn't correct
50 Halted 0 ms 0 KB -