oj.uz

Submission #138004

# Submission time Handle Problem Language Result Execution time Memory
138004 2019-07-28T20:52:36 Z vardan__02 Chessboard (IZhO18_chessboard) C++14
100 / 100
 911 ms 5884 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,i,j,v,x1[100005],x2[100005],y[100005],y2[100005],ans1,ans2,t,q;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n>>k;
    for(i=1;i<=k;i++)
    {
        cin>>x1[i]>>y[i]>>x2[i]>>y2[i];
        ll kent1=0,kent2=0,zuyg1=0,zuyg2=0,t1,t2;
        t1=x2[i]-x1[i]+1;
        if(x1[i]%2==0)
        {
            zuyg1+=(t1+1)/2;
            kent1+=t1/2;
        }
        else
        {
            kent1+=(t1+1)/2;
            zuyg1+=t1/2;
        }
        t2=y2[i]-y[i]+1;
        if(y[i]%2==0)
        {
            zuyg2+=(t2+1)/2;
            kent2+=t2/2;
        }
        else
        {
            kent2+=(t2+1)/2;
            zuyg2+=t2/2;
        }
        u+=kent1*kent2+zuyg1*zuyg2;
        v+=kent1*zuyg2+zuyg1*kent2;
    }
    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 kent1=0,kent2=0,zuyg1=0,zuyg2=0,t1,t2,arajin1=0,arajin2=0,verjin1=0,verjin2=0,g;
                arajin1=(x1[i]-1)/t+1;
                if(x2[i]%t==0)
                    verjin1=x2[i]/t;
                else
                    verjin1=x2[i]/t+1;
                arajin2=(y[i]-1)/t+1;
                if(y2[i]%t==0)
                    verjin2=y2[i]/t;
                else
                    verjin2=y2[i]/t+1;
                if(arajin1==verjin1)
                {
                    if(arajin1%2==0)
                        zuyg1+=x2[i]-x1[i]+1;
                    else
                        kent1=x2[i]-x1[i]+1;
                }
                else
                {
                    if((x1[i]-1)%t==0)
                    {
                        if(arajin1%2==0)
                            zuyg1+=t;
                        else
                            kent1+=t;
                    }
                    else
                    {
                        t1=t-(x1[i]-1)%t;
                        if(arajin1%2==0)
                            zuyg1+=t1;
                        else
                            kent1+=t1;
                    }
                    arajin1++;
                    if(x2[i]%t==0)
                    {
                        if(verjin1%2==0)
                            zuyg1+=t;
                        else
                            kent1+=t;
                    }
                    else
                    {
                        t1=x2[i]%t;
                        if(verjin1%2==0)
                            zuyg1+=t1;
                        else
                            kent1+=t1;
                    }
                    verjin1--;
                    g=verjin1-arajin1+1;
                    if(arajin1%2==0)
                    {
                        t1=(g+1)/2;
                        t2=g/2;
                    }
                    else
                    {
                        t1=g/2;
                        t2=(g+1)/2;
                    }
                    zuyg1+=t1*t;
                    kent1+=t2*t;
                }


                if(arajin2==verjin2)
                {
                    if(arajin2%2==0)
                        zuyg2+=y2[i]-y[i]+1;
                    else
                        kent2=y2[i]-y[i]+1;
                }
                else
                {
                    if((y[i]-1)%t==0)
                    {
                        if(arajin2%2==0)
                            zuyg2+=t;
                        else
                            kent2+=t;
                    }
                    else
                    {
                        t1=t-(y[i]-1)%t;
                        if(arajin2%2==0)
                            zuyg2+=t1;
                        else
                            kent2+=t1;
                    }
                    arajin2++;
                    if(y2[i]%t==0)
                    {
                        if(verjin2%2==0)
                            zuyg2+=t;
                        else
                            kent2+=t;
                    }
                    else
                    {
                        t1=y2[i]%t;
                        if(verjin2%2==0)
                            zuyg2+=t1;
                        else
                            kent2+=t1;
                    }
                    verjin2--;
                    g=verjin2-arajin2+1;
                    if(arajin2%2==0)
                    {
                        t1=(g+1)/2;
                        t2=g/2;
                    }
                    else
                    {
                        t1=g/2;
                        t2=(g+1)/2;
                    }
                    zuyg2+=t1*t;
                    kent2+=t2*t;
                }
                u+=kent1*kent2+zuyg1*zuyg2;
                v+=kent1*zuyg2+zuyg1*kent2;
            }
            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 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 2424 KB Output is correct
2 Correct 11 ms 1016 KB Output is correct
3 Correct 23 ms 1656 KB Output is correct
4 Correct 24 ms 1912 KB Output is correct
5 Correct 31 ms 2168 KB Output is correct
6 Correct 20 ms 1532 KB Output is correct
7 Correct 6 ms 760 KB Output is correct
8 Correct 21 ms 1532 KB Output is correct
9 Correct 52 ms 3420 KB Output is correct
10 Correct 30 ms 2140 KB Output is correct

Subtask #3
15.0 / 15.0

# 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 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# 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 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 18 ms 1656 KB Output is correct
17 Correct 38 ms 4088 KB Output is correct
18 Correct 56 ms 4472 KB Output is correct
19 Correct 184 ms 4220 KB Output is correct
20 Correct 205 ms 4572 KB Output is correct
21 Correct 36 ms 3932 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 36 ms 2412 KB Output is correct
24 Correct 53 ms 4216 KB Output is correct
25 Correct 9 ms 760 KB Output is correct
26 Correct 35 ms 3064 KB Output is correct
27 Correct 48 ms 3576 KB Output is correct
28 Correct 55 ms 4344 KB Output is correct
29 Correct 16 ms 1912 KB Output is correct
30 Correct 4 ms 504 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 2424 KB Output is correct
2 Correct 11 ms 1016 KB Output is correct
3 Correct 23 ms 1656 KB Output is correct
4 Correct 24 ms 1912 KB Output is correct
5 Correct 31 ms 2168 KB Output is correct
6 Correct 20 ms 1532 KB Output is correct
7 Correct 6 ms 760 KB Output is correct
8 Correct 21 ms 1532 KB Output is correct
9 Correct 52 ms 3420 KB Output is correct
10 Correct 30 ms 2140 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 380 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 18 ms 1656 KB Output is correct
27 Correct 38 ms 4088 KB Output is correct
28 Correct 56 ms 4472 KB Output is correct
29 Correct 184 ms 4220 KB Output is correct
30 Correct 205 ms 4572 KB Output is correct
31 Correct 36 ms 3932 KB Output is correct
32 Correct 3 ms 376 KB Output is correct
33 Correct 36 ms 2412 KB Output is correct
34 Correct 53 ms 4216 KB Output is correct
35 Correct 9 ms 760 KB Output is correct
36 Correct 35 ms 3064 KB Output is correct
37 Correct 48 ms 3576 KB Output is correct
38 Correct 55 ms 4344 KB Output is correct
39 Correct 16 ms 1912 KB Output is correct
40 Correct 4 ms 504 KB Output is correct
41 Correct 160 ms 3960 KB Output is correct
42 Correct 65 ms 4368 KB Output is correct
43 Correct 98 ms 3960 KB Output is correct
44 Correct 62 ms 4252 KB Output is correct
45 Correct 53 ms 4444 KB Output is correct
46 Correct 180 ms 4472 KB Output is correct
47 Correct 47 ms 4088 KB Output is correct
48 Correct 81 ms 4216 KB Output is correct
49 Correct 57 ms 4080 KB Output is correct
50 Correct 766 ms 4288 KB Output is correct
51 Correct 819 ms 4600 KB Output is correct
52 Correct 762 ms 4284 KB Output is correct
53 Correct 817 ms 4344 KB Output is correct
54 Correct 755 ms 4244 KB Output is correct
55 Correct 844 ms 4652 KB Output is correct
56 Correct 725 ms 4216 KB Output is correct

Subtask #6
30.0 / 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 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 35 ms 2424 KB Output is correct
10 Correct 11 ms 1016 KB Output is correct
11 Correct 23 ms 1656 KB Output is correct
12 Correct 24 ms 1912 KB Output is correct
13 Correct 31 ms 2168 KB Output is correct
14 Correct 20 ms 1532 KB Output is correct
15 Correct 6 ms 760 KB Output is correct
16 Correct 21 ms 1532 KB Output is correct
17 Correct 52 ms 3420 KB Output is correct
18 Correct 30 ms 2140 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 18 ms 1656 KB Output is correct
35 Correct 38 ms 4088 KB Output is correct
36 Correct 56 ms 4472 KB Output is correct
37 Correct 184 ms 4220 KB Output is correct
38 Correct 205 ms 4572 KB Output is correct
39 Correct 36 ms 3932 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 36 ms 2412 KB Output is correct
42 Correct 53 ms 4216 KB Output is correct
43 Correct 9 ms 760 KB Output is correct
44 Correct 35 ms 3064 KB Output is correct
45 Correct 48 ms 3576 KB Output is correct
46 Correct 55 ms 4344 KB Output is correct
47 Correct 16 ms 1912 KB Output is correct
48 Correct 4 ms 504 KB Output is correct
49 Correct 160 ms 3960 KB Output is correct
50 Correct 65 ms 4368 KB Output is correct
51 Correct 98 ms 3960 KB Output is correct
52 Correct 62 ms 4252 KB Output is correct
53 Correct 53 ms 4444 KB Output is correct
54 Correct 180 ms 4472 KB Output is correct
55 Correct 47 ms 4088 KB Output is correct
56 Correct 81 ms 4216 KB Output is correct
57 Correct 57 ms 4080 KB Output is correct
58 Correct 766 ms 4288 KB Output is correct
59 Correct 819 ms 4600 KB Output is correct
60 Correct 762 ms 4284 KB Output is correct
61 Correct 817 ms 4344 KB Output is correct
62 Correct 755 ms 4244 KB Output is correct
63 Correct 844 ms 4652 KB Output is correct
64 Correct 725 ms 4216 KB Output is correct
65 Correct 2 ms 376 KB Output is correct
66 Correct 2 ms 376 KB Output is correct
67 Correct 837 ms 5496 KB Output is correct
68 Correct 829 ms 5496 KB Output is correct
69 Correct 715 ms 4880 KB Output is correct
70 Correct 771 ms 5468 KB Output is correct
71 Correct 776 ms 5300 KB Output is correct
72 Correct 747 ms 5240 KB Output is correct
73 Correct 752 ms 5112 KB Output is correct
74 Correct 822 ms 5596 KB Output is correct
75 Correct 769 ms 5368 KB Output is correct
76 Correct 823 ms 5624 KB Output is correct
77 Correct 145 ms 5880 KB Output is correct
78 Correct 64 ms 5308 KB Output is correct
79 Correct 105 ms 5020 KB Output is correct
80 Correct 108 ms 5368 KB Output is correct
81 Correct 101 ms 4856 KB Output is correct
82 Correct 89 ms 5496 KB Output is correct
83 Correct 71 ms 5112 KB Output is correct
84 Correct 497 ms 5716 KB Output is correct
85 Correct 883 ms 5832 KB Output is correct
86 Correct 4 ms 376 KB Output is correct
87 Correct 4 ms 376 KB Output is correct
88 Correct 911 ms 5884 KB Output is correct
89 Correct 168 ms 1400 KB Output is correct
90 Correct 3 ms 376 KB Output is correct