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Submission #89434

# Submission time Handle Problem Language Result Execution time Memory
89434 2018-12-14T10:08:13 Z RAkhshon Chessboard (IZhO18_chessboard) C++14
70 / 100
 557 ms 11712 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;
///map< ll , ll > dp[101101];
ll a[101101], b[101101];
int main(){
ios_base::sync_with_stdio(0);
ll n, k;
cin>>n>>k;
for( ll i =1; i <= k ; i ++ ){
    cin>>a[i]>>b[i]>>a[i]>>b[i];
}
ll ans = 10000000000;
for( ll i = 1 ; i*i <= n ; i ++ ){
    if( n % i == 0 ){
            ll m=i, kolp1=0,kolp2=0 ;
            kolp1=((n*n)/(m*m))/2+(((n*n)/(m*m))%2);
            kolp2=((n*n)/(m*m))/2;
            kolp1=kolp1*m*m;
            kolp2=kolp2*m*m;
            ///cout<<kolp1<<' '<<kolp2<<' '<<m<<endl;
            for( ll x = 1; x <= k ; x ++ ){
                if( ((a[x]-1)/m)%2==0 && ( (b[x]-1)/m)%2==0 ){
                    kolp1--;
                }
                else
                if( ((a[x]-1)/m)%2!=0 && ((b[x]-1)/m)%2!=0 ){
                    kolp1--;
                }
                else {
                    kolp1++;
                }

                if( ((a[x]-1)/m)%2==0 && ((b[x]-1)/m)%2!=0 ){
                    kolp2--;
                }
                else
                if( ((a[x]-1)/m)%2!=0 && ((b[x]-1)/m)%2==0 ){
                    kolp2--;
                }
                else {
                    kolp2++;
                }

            }
           ///cout<<kolp1<<' '<<kolp2<<' '<<m<<endl;

           ans=min(ans,min(kolp1,kolp2));
            m=n/i;
            if( m != n ){
            kolp1=((n*n)/(m*m))/2+((n*n)/(m*m))%2;
            kolp2=((n*n)/(m*m))/2;
            kolp1=kolp1*m*m;
            kolp2=kolp2*m*m;
          /// cout<<kolp1<<' '<<kolp2<<' '<<m<<endl;
            for( ll x = 1; x <= k ; x ++ ){
              if( ((a[x]-1)/m)%2==0 && ( (b[x]-1)/m)%2==0 ){
                    kolp1--;
                }
                else
                if( ((a[x]-1)/m)%2!=0 && ((b[x]-1)/m)%2!=0 ){
                    kolp1--;
                }
                else {
                    kolp1++;
                }

                if( ((a[x]-1)/m)%2==0 && ((b[x]-1)/m)%2!=0 ){
                    kolp2--;
                }
                else
                if( ((a[x]-1)/m)%2!=0 && ((b[x]-1)/m)%2==0 ){
                    kolp2--;
                }
                else {
                    kolp2++;
                }
        }
            }
           ans=min(ans,min(kolp1,kolp2));

    }
}
cout<<ans;
}
/**
9 10
1 1 1 1
4 4 4 4
4 5 4 5
4 6 4 6
5 4 5 4
5 5 5 5
5 6 5 6
6 4 6 4
6 5 6 5
6 6 6 6
**/

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 2 ms 448 KB Output is correct
5 Correct 2 ms 464 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 2 ms 484 KB Output is correct
8 Correct 2 ms 484 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 1508 KB Output is correct
2 Correct 10 ms 1508 KB Output is correct
3 Correct 21 ms 2104 KB Output is correct
4 Correct 22 ms 3020 KB Output is correct
5 Correct 29 ms 4620 KB Output is correct
6 Correct 20 ms 5080 KB Output is correct
7 Correct 6 ms 5080 KB Output is correct
8 Correct 19 ms 5980 KB Output is correct
9 Correct 48 ms 6856 KB Output is correct
10 Correct 24 ms 6856 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6856 KB Output is correct
2 Correct 2 ms 6856 KB Output is correct
3 Correct 2 ms 6856 KB Output is correct
4 Correct 2 ms 6856 KB Output is correct
5 Correct 2 ms 6856 KB Output is correct
6 Correct 2 ms 6856 KB Output is correct
7 Correct 2 ms 6856 KB Output is correct
8 Correct 2 ms 6856 KB Output is correct
9 Correct 2 ms 6856 KB Output is correct
10 Correct 2 ms 6856 KB Output is correct
11 Correct 2 ms 6856 KB Output is correct
12 Correct 2 ms 6856 KB Output is correct
13 Correct 3 ms 6856 KB Output is correct
14 Correct 2 ms 6856 KB Output is correct
15 Correct 3 ms 6856 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6856 KB Output is correct
2 Correct 2 ms 6856 KB Output is correct
3 Correct 2 ms 6856 KB Output is correct
4 Correct 2 ms 6856 KB Output is correct
5 Correct 2 ms 6856 KB Output is correct
6 Correct 2 ms 6856 KB Output is correct
7 Correct 2 ms 6856 KB Output is correct
8 Correct 2 ms 6856 KB Output is correct
9 Correct 2 ms 6856 KB Output is correct
10 Correct 2 ms 6856 KB Output is correct
11 Correct 2 ms 6856 KB Output is correct
12 Correct 2 ms 6856 KB Output is correct
13 Correct 3 ms 6856 KB Output is correct
14 Correct 2 ms 6856 KB Output is correct
15 Correct 3 ms 6856 KB Output is correct
16 Correct 15 ms 6856 KB Output is correct
17 Correct 33 ms 6856 KB Output is correct
18 Correct 51 ms 7000 KB Output is correct
19 Correct 127 ms 7000 KB Output is correct
20 Correct 148 ms 7128 KB Output is correct
21 Correct 35 ms 7128 KB Output is correct
22 Correct 3 ms 7128 KB Output is correct
23 Correct 29 ms 7128 KB Output is correct
24 Correct 44 ms 7128 KB Output is correct
25 Correct 7 ms 7128 KB Output is correct
26 Correct 29 ms 7128 KB Output is correct
27 Correct 39 ms 7128 KB Output is correct
28 Correct 48 ms 7128 KB Output is correct
29 Correct 16 ms 7128 KB Output is correct
30 Correct 4 ms 7128 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 1508 KB Output is correct
2 Correct 10 ms 1508 KB Output is correct
3 Correct 21 ms 2104 KB Output is correct
4 Correct 22 ms 3020 KB Output is correct
5 Correct 29 ms 4620 KB Output is correct
6 Correct 20 ms 5080 KB Output is correct
7 Correct 6 ms 5080 KB Output is correct
8 Correct 19 ms 5980 KB Output is correct
9 Correct 48 ms 6856 KB Output is correct
10 Correct 24 ms 6856 KB Output is correct
11 Correct 2 ms 6856 KB Output is correct
12 Correct 2 ms 6856 KB Output is correct
13 Correct 2 ms 6856 KB Output is correct
14 Correct 2 ms 6856 KB Output is correct
15 Correct 2 ms 6856 KB Output is correct
16 Correct 2 ms 6856 KB Output is correct
17 Correct 2 ms 6856 KB Output is correct
18 Correct 2 ms 6856 KB Output is correct
19 Correct 2 ms 6856 KB Output is correct
20 Correct 2 ms 6856 KB Output is correct
21 Correct 2 ms 6856 KB Output is correct
22 Correct 2 ms 6856 KB Output is correct
23 Correct 3 ms 6856 KB Output is correct
24 Correct 2 ms 6856 KB Output is correct
25 Correct 3 ms 6856 KB Output is correct
26 Correct 15 ms 6856 KB Output is correct
27 Correct 33 ms 6856 KB Output is correct
28 Correct 51 ms 7000 KB Output is correct
29 Correct 127 ms 7000 KB Output is correct
30 Correct 148 ms 7128 KB Output is correct
31 Correct 35 ms 7128 KB Output is correct
32 Correct 3 ms 7128 KB Output is correct
33 Correct 29 ms 7128 KB Output is correct
34 Correct 44 ms 7128 KB Output is correct
35 Correct 7 ms 7128 KB Output is correct
36 Correct 29 ms 7128 KB Output is correct
37 Correct 39 ms 7128 KB Output is correct
38 Correct 48 ms 7128 KB Output is correct
39 Correct 16 ms 7128 KB Output is correct
40 Correct 4 ms 7128 KB Output is correct
41 Correct 118 ms 7128 KB Output is correct
42 Correct 54 ms 7128 KB Output is correct
43 Correct 73 ms 7128 KB Output is correct
44 Correct 51 ms 7128 KB Output is correct
45 Correct 47 ms 8408 KB Output is correct
46 Correct 128 ms 10596 KB Output is correct
47 Correct 41 ms 11308 KB Output is correct
48 Correct 62 ms 11308 KB Output is correct
49 Correct 47 ms 11308 KB Output is correct
50 Correct 495 ms 11528 KB Output is correct
51 Correct 511 ms 11712 KB Output is correct
52 Correct 480 ms 11712 KB Output is correct
53 Correct 530 ms 11712 KB Output is correct
54 Correct 478 ms 11712 KB Output is correct
55 Correct 557 ms 11712 KB Output is correct
56 Correct 466 ms 11712 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 3 ms 448 KB Output is correct
4 Correct 2 ms 448 KB Output is correct
5 Correct 2 ms 464 KB Output is correct
6 Correct 2 ms 464 KB Output is correct
7 Correct 2 ms 484 KB Output is correct
8 Correct 2 ms 484 KB Output is correct
9 Correct 31 ms 1508 KB Output is correct
10 Correct 10 ms 1508 KB Output is correct
11 Correct 21 ms 2104 KB Output is correct
12 Correct 22 ms 3020 KB Output is correct
13 Correct 29 ms 4620 KB Output is correct
14 Correct 20 ms 5080 KB Output is correct
15 Correct 6 ms 5080 KB Output is correct
16 Correct 19 ms 5980 KB Output is correct
17 Correct 48 ms 6856 KB Output is correct
18 Correct 24 ms 6856 KB Output is correct
19 Correct 2 ms 6856 KB Output is correct
20 Correct 2 ms 6856 KB Output is correct
21 Correct 2 ms 6856 KB Output is correct
22 Correct 2 ms 6856 KB Output is correct
23 Correct 2 ms 6856 KB Output is correct
24 Correct 2 ms 6856 KB Output is correct
25 Correct 2 ms 6856 KB Output is correct
26 Correct 2 ms 6856 KB Output is correct
27 Correct 2 ms 6856 KB Output is correct
28 Correct 2 ms 6856 KB Output is correct
29 Correct 2 ms 6856 KB Output is correct
30 Correct 2 ms 6856 KB Output is correct
31 Correct 3 ms 6856 KB Output is correct
32 Correct 2 ms 6856 KB Output is correct
33 Correct 3 ms 6856 KB Output is correct
34 Correct 15 ms 6856 KB Output is correct
35 Correct 33 ms 6856 KB Output is correct
36 Correct 51 ms 7000 KB Output is correct
37 Correct 127 ms 7000 KB Output is correct
38 Correct 148 ms 7128 KB Output is correct
39 Correct 35 ms 7128 KB Output is correct
40 Correct 3 ms 7128 KB Output is correct
41 Correct 29 ms 7128 KB Output is correct
42 Correct 44 ms 7128 KB Output is correct
43 Correct 7 ms 7128 KB Output is correct
44 Correct 29 ms 7128 KB Output is correct
45 Correct 39 ms 7128 KB Output is correct
46 Correct 48 ms 7128 KB Output is correct
47 Correct 16 ms 7128 KB Output is correct
48 Correct 4 ms 7128 KB Output is correct
49 Correct 118 ms 7128 KB Output is correct
50 Correct 54 ms 7128 KB Output is correct
51 Correct 73 ms 7128 KB Output is correct
52 Correct 51 ms 7128 KB Output is correct
53 Correct 47 ms 8408 KB Output is correct
54 Correct 128 ms 10596 KB Output is correct
55 Correct 41 ms 11308 KB Output is correct
56 Correct 62 ms 11308 KB Output is correct
57 Correct 47 ms 11308 KB Output is correct
58 Correct 495 ms 11528 KB Output is correct
59 Correct 511 ms 11712 KB Output is correct
60 Correct 480 ms 11712 KB Output is correct
61 Correct 530 ms 11712 KB Output is correct
62 Correct 478 ms 11712 KB Output is correct
63 Correct 557 ms 11712 KB Output is correct
64 Correct 466 ms 11712 KB Output is correct
65 Correct 2 ms 11712 KB Output is correct
66 Incorrect 2 ms 11712 KB Output isn't correct
67 Halted 0 ms 0 KB -