oj.uz

Submission #340400

# Submission time Handle Problem Language Result Execution time Memory
340400 2020-12-27T14:05:11 Z scales Chessboard (IZhO18_chessboard) C++17
100 / 100
 515 ms 5996 KB 
#include <bits/stdc++.h>
/*#ifndef LOCAL_RUN
    #pragma GCC optimize("Ofast")
    #pragma GCC optimize("unroll-loops")
    #pragma GCC optimize("fast-math")
    #pragma GCC target("avx2,tune=native")
#endif*/
using namespace std;
int main()
{
      ios::sync_with_stdio(false);
      cin.tie(0);
     // freopen("input.txt","r",stdin);
     // freopen("output.txt","w",stdout);
     long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
     dno=0;
     cin>>n;
     cin>>k;
     z=0;
     tip=0;
     maxi=100000000000;
     vector<long long> a(k),b(k),c(k),d(k);
     for(i=0;i<k;i++)
     {
         cin>>a[i];
         cin>>b[i];
         cin>>c[i];
         cin>>d[i];
         a[i]--;
         b[i]--;
         c[i]--;
         d[i]--;
         tip=tip+(c[i]-a[i]+1)*(d[i]-b[i]+1);
     }
     vector<long long> viv;
     for(i=1;i<n;i++)
     {
         if(n%i==0)
         {
             viv.push_back(i);
         }
     }
     z1=viv.size();
     //cout<<"tip="<<tip<<endl;
     //cout<<"z1="<<z1<<endl;
        for(i=0;i<z1;i++)
        {
             kol=0;
             w=viv[i];
             //cout<<"w="<<w<<endl;
             //cout<<"w="<<w<<endl;
             for(j=0;j<k;j++)
             {
                 //cout<<"a="<<a[j]<<" b="<<b[j]<<" "<<a[j]%(2*w)<<" "<<b[j]%(2*w)<<endl;
                 z=(c[j]-a[j])/(2*w);
                 g=z*w;
                 x=a[j]%(2*w);
                 y=c[j]%(2*w);
                 if(x<=y)
                 {
                     l=x;
                     r=min(w-1,y);
                 }
                 else
                 {
                     x--;
                     y++;
                     x=x%(2*w);
                     y=y%(2*w);
                    swap(x,y);
                    l=x;
                    r=min(w-1,y);
                    rov=0;
                    rov=max(rov,r-l+1);
                    rov=w-rov;
                    r=rov;
                    l=1;
                 }
                 g=g+max(dno,(r-l+1));


                 z=(d[j]-b[j])/(2*w);
                 x=b[j]%(2*w);
                 y=d[j]%(2*w);
                 h=z*w;
                   // cout<<"h="<<h<<" z="<<z<<endl;
                 if(x<=y)
                 {
                     l=x;
                     r=min(w-1,y);
                 }
                 else
                 {
                     x--;
                     y++;
                     x=x%(2*w);
                     y=y%(2*w);
                    swap(x,y);
                    l=x;
                    r=min(w-1,y);
                    rov=0;
                    rov=max(rov,r-l+1);
                    rov=w-rov;
                    r=rov;
                    l=1;
                 }
                 //cout<<"h="<<h<<" dno="<<dno<<endl;
                 h=h+max(dno,(r-l+1));
                 //cout<<"g="<<g<<" h="<<h<<endl;
                 kol=kol+g*(d[j]-b[j]+1-h)+h*(c[j]-a[j]+1-g);

             }
             v=(n*n)/(w*w);
             if(v%2==0)
             {
                 f=n*n/2;
                 s=n*n/2;
             }
             else
             {
                 s=(n*n-w*w)/2;
                 f=n*n-s;
             }
             kol=tip-kol;
             //cout<<"kol="<<kol<<" f="<<f<<" s="<<s<<" maxi=";
             maxi=min({maxi,(f-kol+tip-kol),(kol+s-tip+kol)});
             //cout<<maxi<<endl;
        }
        cout<<maxi<<endl;
    return 0;
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:15:16: warning: unused variable 't' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
      |                ^
chessboard.cpp:15:34: warning: unused variable 'm' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
      |                                  ^
chessboard.cpp:15:40: warning: unused variable 'x1' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
      |                                        ^~
chessboard.cpp:15:43: warning: unused variable 'y1' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
      |                                           ^~
chessboard.cpp:15:52: warning: unused variable 'p' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
      |                                                    ^
chessboard.cpp:15:58: warning: unused variable 'sum' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,y1,tip,g,p,l,r,sum,maxi,kol,v,f,s,h,z1,rov;
      |                                                          ^~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 2540 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 18 ms 1900 KB Output is correct
4 Correct 19 ms 2028 KB Output is correct
5 Correct 23 ms 2284 KB Output is correct
6 Correct 19 ms 1772 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 15 ms 1772 KB Output is correct
9 Correct 46 ms 3564 KB Output is correct
10 Correct 22 ms 2156 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 13 ms 1260 KB Output is correct
17 Correct 37 ms 3180 KB Output is correct
18 Correct 43 ms 3820 KB Output is correct
19 Correct 109 ms 3308 KB Output is correct
20 Correct 122 ms 3692 KB Output is correct
21 Correct 30 ms 3052 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 24 ms 1900 KB Output is correct
24 Correct 38 ms 3308 KB Output is correct
25 Correct 5 ms 748 KB Output is correct
26 Correct 25 ms 2412 KB Output is correct
27 Correct 34 ms 2668 KB Output is correct
28 Correct 43 ms 3564 KB Output is correct
29 Correct 12 ms 1644 KB Output is correct
30 Correct 2 ms 492 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 2540 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 18 ms 1900 KB Output is correct
4 Correct 19 ms 2028 KB Output is correct
5 Correct 23 ms 2284 KB Output is correct
6 Correct 19 ms 1772 KB Output is correct
7 Correct 5 ms 620 KB Output is correct
8 Correct 15 ms 1772 KB Output is correct
9 Correct 46 ms 3564 KB Output is correct
10 Correct 22 ms 2156 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 13 ms 1260 KB Output is correct
27 Correct 37 ms 3180 KB Output is correct
28 Correct 43 ms 3820 KB Output is correct
29 Correct 109 ms 3308 KB Output is correct
30 Correct 122 ms 3692 KB Output is correct
31 Correct 30 ms 3052 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 24 ms 1900 KB Output is correct
34 Correct 38 ms 3308 KB Output is correct
35 Correct 5 ms 748 KB Output is correct
36 Correct 25 ms 2412 KB Output is correct
37 Correct 34 ms 2668 KB Output is correct
38 Correct 43 ms 3564 KB Output is correct
39 Correct 12 ms 1644 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 104 ms 3180 KB Output is correct
42 Correct 47 ms 3564 KB Output is correct
43 Correct 65 ms 3180 KB Output is correct
44 Correct 45 ms 3564 KB Output is correct
45 Correct 41 ms 3692 KB Output is correct
46 Correct 114 ms 3588 KB Output is correct
47 Correct 37 ms 3308 KB Output is correct
48 Correct 55 ms 3308 KB Output is correct
49 Correct 42 ms 3308 KB Output is correct
50 Correct 450 ms 3564 KB Output is correct
51 Correct 477 ms 3820 KB Output is correct
52 Correct 445 ms 3436 KB Output is correct
53 Correct 472 ms 3820 KB Output is correct
54 Correct 436 ms 3564 KB Output is correct
55 Correct 492 ms 3948 KB Output is correct
56 Correct 427 ms 3308 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 27 ms 2540 KB Output is correct
10 Correct 7 ms 1004 KB Output is correct
11 Correct 18 ms 1900 KB Output is correct
12 Correct 19 ms 2028 KB Output is correct
13 Correct 23 ms 2284 KB Output is correct
14 Correct 19 ms 1772 KB Output is correct
15 Correct 5 ms 620 KB Output is correct
16 Correct 15 ms 1772 KB Output is correct
17 Correct 46 ms 3564 KB Output is correct
18 Correct 22 ms 2156 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 13 ms 1260 KB Output is correct
35 Correct 37 ms 3180 KB Output is correct
36 Correct 43 ms 3820 KB Output is correct
37 Correct 109 ms 3308 KB Output is correct
38 Correct 122 ms 3692 KB Output is correct
39 Correct 30 ms 3052 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 24 ms 1900 KB Output is correct
42 Correct 38 ms 3308 KB Output is correct
43 Correct 5 ms 748 KB Output is correct
44 Correct 25 ms 2412 KB Output is correct
45 Correct 34 ms 2668 KB Output is correct
46 Correct 43 ms 3564 KB Output is correct
47 Correct 12 ms 1644 KB Output is correct
48 Correct 2 ms 492 KB Output is correct
49 Correct 104 ms 3180 KB Output is correct
50 Correct 47 ms 3564 KB Output is correct
51 Correct 65 ms 3180 KB Output is correct
52 Correct 45 ms 3564 KB Output is correct
53 Correct 41 ms 3692 KB Output is correct
54 Correct 114 ms 3588 KB Output is correct
55 Correct 37 ms 3308 KB Output is correct
56 Correct 55 ms 3308 KB Output is correct
57 Correct 42 ms 3308 KB Output is correct
58 Correct 450 ms 3564 KB Output is correct
59 Correct 477 ms 3820 KB Output is correct
60 Correct 445 ms 3436 KB Output is correct
61 Correct 472 ms 3820 KB Output is correct
62 Correct 436 ms 3564 KB Output is correct
63 Correct 492 ms 3948 KB Output is correct
64 Correct 427 ms 3308 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Correct 1 ms 364 KB Output is correct
67 Correct 478 ms 3564 KB Output is correct
68 Correct 483 ms 5612 KB Output is correct
69 Correct 422 ms 4972 KB Output is correct
70 Correct 510 ms 5356 KB Output is correct
71 Correct 460 ms 5356 KB Output is correct
72 Correct 447 ms 5100 KB Output is correct
73 Correct 442 ms 5104 KB Output is correct
74 Correct 473 ms 5484 KB Output is correct
75 Correct 491 ms 5328 KB Output is correct
76 Correct 490 ms 5740 KB Output is correct
77 Correct 98 ms 5740 KB Output is correct
78 Correct 47 ms 5228 KB Output is correct
79 Correct 69 ms 5100 KB Output is correct
80 Correct 73 ms 5356 KB Output is correct
81 Correct 68 ms 4844 KB Output is correct
82 Correct 71 ms 5484 KB Output is correct
83 Correct 51 ms 5100 KB Output is correct
84 Correct 298 ms 5780 KB Output is correct
85 Correct 509 ms 5868 KB Output is correct
86 Correct 1 ms 364 KB Output is correct
87 Correct 1 ms 364 KB Output is correct
88 Correct 515 ms 5996 KB Output is correct
89 Correct 98 ms 1388 KB Output is correct
90 Correct 1 ms 364 KB Output is correct