oj.uz

Submission #137976

# Submission time Handle Problem Language Result Execution time Memory
137976 2019-07-28T17:08:51 Z vardan__02 Chessboard (IZhO18_chessboard) C++14
70 / 100
 497 ms 5120 KB 
#include <iostream>
#include <fstream>
#include <algorithm>
#include <cstring>
#include <string>
#include <vector>
#include <cstdio>
#include <queue>
#include <deque>
#include <stack>
#include <cmath>
#include <list>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
#define MP make_pair
#define PB push_back
ll n,k,p,u,ans,color[100005],i,j,v,x[100005],y[100005],p1,p2,q1,q2,ans1,ans2,t,q;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    for(i=2;i<=100000;i++)
    {
        if(!color[i])
        {
            for(j=2*i;j<=100000;j+=i)
                color[j]=1;
        }
    }
    cin>>n>>k;
    for(i=1;i<=k;i++)
    {
        cin>>x[i]>>y[i]>>x[i]>>y[i];
        if(x[i]%2==y[i]%2)
            u++;
        else
            v++;
    }
    if(n%2==0)
        p=n*n/2;
    else
        p=n*n/2+1;
    q=n*n/2;
    ans=min(p-u+v,q-v+u);
    for(j=2;j<=n;j++)
    {
        if(n%j==0)
        {
            u=0;
            v=0;
            t=n/j;
            for(i=1;i<=k;i++)
            {
                ll g,h;
                if(x[i]%t==0)
                    g=x[i]/t;
                else
                    g=x[i]/t+1;
                if(y[i]%t==0)
                    h=y[i]/t;
                else
                    h=y[i]/t+1;
                if(h%2==g%2)
                    u++;
                else
                    v++;
            }
            q=n/j;
            if(j%2==1)
            ans1=j*j/2+1;
            else
            ans1=j*j/2;
            ans1=ans1*q*q;
            ans1=ans1-u+v;
            ans2=j*j/2;
            ans2=ans2*q*q;
            ans2=ans2-v+u;
            ans=min(ans,ans2);
            ans=min(ans,ans1);
        }
    }
    cout<<ans<<endl;
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 3 ms 1144 KB Output is correct
4 Correct 3 ms 1144 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1144 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2040 KB Output is correct
2 Correct 12 ms 1404 KB Output is correct
3 Correct 24 ms 1784 KB Output is correct
4 Correct 25 ms 1784 KB Output is correct
5 Correct 29 ms 1912 KB Output is correct
6 Correct 20 ms 1656 KB Output is correct
7 Correct 8 ms 1272 KB Output is correct
8 Correct 21 ms 1672 KB Output is correct
9 Correct 47 ms 2652 KB Output is correct
10 Correct 27 ms 1912 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1144 KB Output is correct
2 Correct 4 ms 1144 KB Output is correct
3 Correct 4 ms 1144 KB Output is correct
4 Correct 4 ms 1144 KB Output is correct
5 Correct 4 ms 1144 KB Output is correct
6 Correct 4 ms 1144 KB Output is correct
7 Correct 4 ms 1144 KB Output is correct
8 Correct 4 ms 1144 KB Output is correct
9 Correct 4 ms 1144 KB Output is correct
10 Correct 4 ms 1144 KB Output is correct
11 Correct 4 ms 1144 KB Output is correct
12 Correct 4 ms 1144 KB Output is correct
13 Correct 5 ms 1144 KB Output is correct
14 Correct 4 ms 1148 KB Output is correct
15 Correct 4 ms 1144 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1144 KB Output is correct
2 Correct 4 ms 1144 KB Output is correct
3 Correct 4 ms 1144 KB Output is correct
4 Correct 4 ms 1144 KB Output is correct
5 Correct 4 ms 1144 KB Output is correct
6 Correct 4 ms 1144 KB Output is correct
7 Correct 4 ms 1144 KB Output is correct
8 Correct 4 ms 1144 KB Output is correct
9 Correct 4 ms 1144 KB Output is correct
10 Correct 4 ms 1144 KB Output is correct
11 Correct 4 ms 1144 KB Output is correct
12 Correct 4 ms 1144 KB Output is correct
13 Correct 5 ms 1144 KB Output is correct
14 Correct 4 ms 1148 KB Output is correct
15 Correct 4 ms 1144 KB Output is correct
16 Correct 17 ms 2044 KB Output is correct
17 Correct 38 ms 3796 KB Output is correct
18 Correct 49 ms 4344 KB Output is correct
19 Correct 118 ms 3960 KB Output is correct
20 Correct 130 ms 4420 KB Output is correct
21 Correct 35 ms 3704 KB Output is correct
22 Correct 4 ms 1144 KB Output is correct
23 Correct 29 ms 2552 KB Output is correct
24 Correct 45 ms 3960 KB Output is correct
25 Correct 9 ms 1400 KB Output is correct
26 Correct 29 ms 2936 KB Output is correct
27 Correct 39 ms 3320 KB Output is correct
28 Correct 47 ms 4088 KB Output is correct
29 Correct 17 ms 2168 KB Output is correct
30 Correct 5 ms 1272 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 2040 KB Output is correct
2 Correct 12 ms 1404 KB Output is correct
3 Correct 24 ms 1784 KB Output is correct
4 Correct 25 ms 1784 KB Output is correct
5 Correct 29 ms 1912 KB Output is correct
6 Correct 20 ms 1656 KB Output is correct
7 Correct 8 ms 1272 KB Output is correct
8 Correct 21 ms 1672 KB Output is correct
9 Correct 47 ms 2652 KB Output is correct
10 Correct 27 ms 1912 KB Output is correct
11 Correct 4 ms 1144 KB Output is correct
12 Correct 4 ms 1144 KB Output is correct
13 Correct 4 ms 1144 KB Output is correct
14 Correct 4 ms 1144 KB Output is correct
15 Correct 4 ms 1144 KB Output is correct
16 Correct 4 ms 1144 KB Output is correct
17 Correct 4 ms 1144 KB Output is correct
18 Correct 4 ms 1144 KB Output is correct
19 Correct 4 ms 1144 KB Output is correct
20 Correct 4 ms 1144 KB Output is correct
21 Correct 4 ms 1144 KB Output is correct
22 Correct 4 ms 1144 KB Output is correct
23 Correct 5 ms 1144 KB Output is correct
24 Correct 4 ms 1148 KB Output is correct
25 Correct 4 ms 1144 KB Output is correct
26 Correct 17 ms 2044 KB Output is correct
27 Correct 38 ms 3796 KB Output is correct
28 Correct 49 ms 4344 KB Output is correct
29 Correct 118 ms 3960 KB Output is correct
30 Correct 130 ms 4420 KB Output is correct
31 Correct 35 ms 3704 KB Output is correct
32 Correct 4 ms 1144 KB Output is correct
33 Correct 29 ms 2552 KB Output is correct
34 Correct 45 ms 3960 KB Output is correct
35 Correct 9 ms 1400 KB Output is correct
36 Correct 29 ms 2936 KB Output is correct
37 Correct 39 ms 3320 KB Output is correct
38 Correct 47 ms 4088 KB Output is correct
39 Correct 17 ms 2168 KB Output is correct
40 Correct 5 ms 1272 KB Output is correct
41 Correct 104 ms 4448 KB Output is correct
42 Correct 55 ms 4832 KB Output is correct
43 Correct 72 ms 4464 KB Output is correct
44 Correct 54 ms 4728 KB Output is correct
45 Correct 54 ms 5000 KB Output is correct
46 Correct 117 ms 4856 KB Output is correct
47 Correct 48 ms 4600 KB Output is correct
48 Correct 62 ms 4600 KB Output is correct
49 Correct 49 ms 4472 KB Output is correct
50 Correct 437 ms 4756 KB Output is correct
51 Correct 497 ms 5112 KB Output is correct
52 Correct 436 ms 4728 KB Output is correct
53 Correct 477 ms 5000 KB Output is correct
54 Correct 431 ms 4720 KB Output is correct
55 Correct 479 ms 5120 KB Output is correct
56 Correct 414 ms 4728 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1144 KB Output is correct
3 Correct 3 ms 1144 KB Output is correct
4 Correct 3 ms 1144 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1144 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 34 ms 2040 KB Output is correct
10 Correct 12 ms 1404 KB Output is correct
11 Correct 24 ms 1784 KB Output is correct
12 Correct 25 ms 1784 KB Output is correct
13 Correct 29 ms 1912 KB Output is correct
14 Correct 20 ms 1656 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 21 ms 1672 KB Output is correct
17 Correct 47 ms 2652 KB Output is correct
18 Correct 27 ms 1912 KB Output is correct
19 Correct 4 ms 1144 KB Output is correct
20 Correct 4 ms 1144 KB Output is correct
21 Correct 4 ms 1144 KB Output is correct
22 Correct 4 ms 1144 KB Output is correct
23 Correct 4 ms 1144 KB Output is correct
24 Correct 4 ms 1144 KB Output is correct
25 Correct 4 ms 1144 KB Output is correct
26 Correct 4 ms 1144 KB Output is correct
27 Correct 4 ms 1144 KB Output is correct
28 Correct 4 ms 1144 KB Output is correct
29 Correct 4 ms 1144 KB Output is correct
30 Correct 4 ms 1144 KB Output is correct
31 Correct 5 ms 1144 KB Output is correct
32 Correct 4 ms 1148 KB Output is correct
33 Correct 4 ms 1144 KB Output is correct
34 Correct 17 ms 2044 KB Output is correct
35 Correct 38 ms 3796 KB Output is correct
36 Correct 49 ms 4344 KB Output is correct
37 Correct 118 ms 3960 KB Output is correct
38 Correct 130 ms 4420 KB Output is correct
39 Correct 35 ms 3704 KB Output is correct
40 Correct 4 ms 1144 KB Output is correct
41 Correct 29 ms 2552 KB Output is correct
42 Correct 45 ms 3960 KB Output is correct
43 Correct 9 ms 1400 KB Output is correct
44 Correct 29 ms 2936 KB Output is correct
45 Correct 39 ms 3320 KB Output is correct
46 Correct 47 ms 4088 KB Output is correct
47 Correct 17 ms 2168 KB Output is correct
48 Correct 5 ms 1272 KB Output is correct
49 Correct 104 ms 4448 KB Output is correct
50 Correct 55 ms 4832 KB Output is correct
51 Correct 72 ms 4464 KB Output is correct
52 Correct 54 ms 4728 KB Output is correct
53 Correct 54 ms 5000 KB Output is correct
54 Correct 117 ms 4856 KB Output is correct
55 Correct 48 ms 4600 KB Output is correct
56 Correct 62 ms 4600 KB Output is correct
57 Correct 49 ms 4472 KB Output is correct
58 Correct 437 ms 4756 KB Output is correct
59 Correct 497 ms 5112 KB Output is correct
60 Correct 436 ms 4728 KB Output is correct
61 Correct 477 ms 5000 KB Output is correct
62 Correct 431 ms 4720 KB Output is correct
63 Correct 479 ms 5120 KB Output is correct
64 Correct 414 ms 4728 KB Output is correct
65 Correct 3 ms 1144 KB Output is correct
66 Incorrect 3 ms 1144 KB Output isn't correct
67 Halted 0 ms 0 KB -