oj.uz

Submission #48839

# Submission time Handle Problem Language Result Execution time Memory
48839 2018-05-19T09:20:57 Z mrtsima22 Chessboard (IZhO18_chessboard) C++17
39 / 100
 133 ms 3732 KB 
#include <bits/stdc++.h>
using namespace std;
#define lo long
const int lmax=1999999999;
const long long lmx=1999999999999999999;
long long n;
long long k;
long long ans=lmax,ansT,ansS;
long long a[100003],b[100003],c[100003],d[100004];
vector<long long>v;
long long k1;
int main(){std::ios::sync_with_stdio(false);
cin>>n>>k;
ansT=ansS=0LL;
for(long long i=0;i<k;i++)
{
	cin>>a[i]>>b[i]>>c[i]>>d[i];
a[i]--,b[i]--,c[i]--,d[i]--;	
}
ans=lmax;
  for(int j = 1; j < n; ++j)
    if(n % j == 0) { 
      ansT = 0;
      for(int i = 0; i < k; ++i)
        if((a[i]/j + b[i]/j) % 2 == 0)
          ++ansT;
      ansT = ansT * 2 - k;
      if(ansT + (long long)n * n / j / j / 2 * j * j < ans)
        ans = ansT + (long long)n * n / j / j / 2 * j * j;
      ansT = -ansT;
      if(ansT + ((long long)n * n / j / j + 1) / 2 * j * j < ans)
        ans = ansT + ((long long)n * n / j / j + 1) / 2 * j * j;
    }
//cout<<ansT+K-ansS<<" "<<ansS+k-ansT<<endl;

cout<<ans<<endl;
}
/*

                   *         *
                  * *       * *
                 *   *     *   *
                *     *   *     *
               *       * *       *
               *        *        *
                *               *
                 *             *
                  *           *
                   *         *
                    *       *
                     *     *
                      *   *
                       * *
                        *



*/

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 536 KB Output is correct
8 Correct 3 ms 536 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 2504 KB Output is correct
2 Correct 11 ms 2504 KB Output is correct
3 Incorrect 25 ms 2504 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2504 KB Output is correct
2 Correct 2 ms 2504 KB Output is correct
3 Correct 3 ms 2504 KB Output is correct
4 Correct 3 ms 2504 KB Output is correct
5 Correct 3 ms 2504 KB Output is correct
6 Correct 2 ms 2504 KB Output is correct
7 Correct 2 ms 2504 KB Output is correct
8 Correct 3 ms 2504 KB Output is correct
9 Correct 3 ms 2504 KB Output is correct
10 Correct 2 ms 2504 KB Output is correct
11 Correct 3 ms 2504 KB Output is correct
12 Correct 2 ms 2504 KB Output is correct
13 Correct 2 ms 2504 KB Output is correct
14 Correct 3 ms 2504 KB Output is correct
15 Correct 3 ms 2504 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2504 KB Output is correct
2 Correct 2 ms 2504 KB Output is correct
3 Correct 3 ms 2504 KB Output is correct
4 Correct 3 ms 2504 KB Output is correct
5 Correct 3 ms 2504 KB Output is correct
6 Correct 2 ms 2504 KB Output is correct
7 Correct 2 ms 2504 KB Output is correct
8 Correct 3 ms 2504 KB Output is correct
9 Correct 3 ms 2504 KB Output is correct
10 Correct 2 ms 2504 KB Output is correct
11 Correct 3 ms 2504 KB Output is correct
12 Correct 2 ms 2504 KB Output is correct
13 Correct 2 ms 2504 KB Output is correct
14 Correct 3 ms 2504 KB Output is correct
15 Correct 3 ms 2504 KB Output is correct
16 Correct 16 ms 2504 KB Output is correct
17 Correct 40 ms 3172 KB Output is correct
18 Correct 49 ms 3680 KB Output is correct
19 Correct 112 ms 3680 KB Output is correct
20 Correct 133 ms 3732 KB Output is correct
21 Correct 35 ms 3732 KB Output is correct
22 Correct 2 ms 3732 KB Output is correct
23 Correct 26 ms 3732 KB Output is correct
24 Correct 49 ms 3732 KB Output is correct
25 Correct 8 ms 3732 KB Output is correct
26 Correct 29 ms 3732 KB Output is correct
27 Correct 39 ms 3732 KB Output is correct
28 Correct 60 ms 3732 KB Output is correct
29 Correct 15 ms 3732 KB Output is correct
30 Correct 4 ms 3732 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 2504 KB Output is correct
2 Correct 11 ms 2504 KB Output is correct
3 Incorrect 25 ms 2504 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 380 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 2 ms 536 KB Output is correct
8 Correct 3 ms 536 KB Output is correct
9 Correct 33 ms 2504 KB Output is correct
10 Correct 11 ms 2504 KB Output is correct
11 Incorrect 25 ms 2504 KB Output isn't correct
12 Halted 0 ms 0 KB -