oj.uz

Submission #340383

# Submission time Handle Problem Language Result Execution time Memory
340383 2020-12-27T13:38:19 Z scales Chessboard (IZhO18_chessboard) C++17
70 / 100
 497 ms 3564 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
                 {
                    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
                 {
                    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 1 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 0 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 2412 KB Output is correct
2 Correct 7 ms 876 KB Output is correct
3 Correct 17 ms 1516 KB Output is correct
4 Correct 18 ms 1772 KB Output is correct
5 Correct 24 ms 2028 KB Output is correct
6 Correct 15 ms 1388 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 15 ms 1388 KB Output is correct
9 Correct 38 ms 3180 KB Output is correct
10 Correct 21 ms 1900 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 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 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 364 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 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 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 12 ms 1132 KB Output is correct
17 Correct 34 ms 2924 KB Output is correct
18 Correct 42 ms 3436 KB Output is correct
19 Correct 110 ms 3180 KB Output is correct
20 Correct 121 ms 3436 KB Output is correct
21 Correct 29 ms 3052 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 24 ms 1648 KB Output is correct
24 Correct 38 ms 3180 KB Output is correct
25 Correct 5 ms 620 KB Output is correct
26 Correct 24 ms 2284 KB Output is correct
27 Correct 34 ms 2412 KB Output is correct
28 Correct 41 ms 3308 KB Output is correct
29 Correct 13 ms 1388 KB Output is correct
30 Correct 2 ms 364 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 2412 KB Output is correct
2 Correct 7 ms 876 KB Output is correct
3 Correct 17 ms 1516 KB Output is correct
4 Correct 18 ms 1772 KB Output is correct
5 Correct 24 ms 2028 KB Output is correct
6 Correct 15 ms 1388 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 15 ms 1388 KB Output is correct
9 Correct 38 ms 3180 KB Output is correct
10 Correct 21 ms 1900 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 364 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 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 12 ms 1132 KB Output is correct
27 Correct 34 ms 2924 KB Output is correct
28 Correct 42 ms 3436 KB Output is correct
29 Correct 110 ms 3180 KB Output is correct
30 Correct 121 ms 3436 KB Output is correct
31 Correct 29 ms 3052 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 24 ms 1648 KB Output is correct
34 Correct 38 ms 3180 KB Output is correct
35 Correct 5 ms 620 KB Output is correct
36 Correct 24 ms 2284 KB Output is correct
37 Correct 34 ms 2412 KB Output is correct
38 Correct 41 ms 3308 KB Output is correct
39 Correct 13 ms 1388 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 100 ms 2988 KB Output is correct
42 Correct 46 ms 3328 KB Output is correct
43 Correct 66 ms 2924 KB Output is correct
44 Correct 45 ms 3180 KB Output is correct
45 Correct 44 ms 3564 KB Output is correct
46 Correct 113 ms 3180 KB Output is correct
47 Correct 38 ms 3180 KB Output is correct
48 Correct 56 ms 3052 KB Output is correct
49 Correct 42 ms 2924 KB Output is correct
50 Correct 446 ms 3308 KB Output is correct
51 Correct 474 ms 3308 KB Output is correct
52 Correct 442 ms 3308 KB Output is correct
53 Correct 475 ms 3436 KB Output is correct
54 Correct 439 ms 3180 KB Output is correct
55 Correct 497 ms 3520 KB Output is correct
56 Correct 423 ms 3180 KB Output is correct

Subtask #6
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 1 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 0 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 2412 KB Output is correct
10 Correct 7 ms 876 KB Output is correct
11 Correct 17 ms 1516 KB Output is correct
12 Correct 18 ms 1772 KB Output is correct
13 Correct 24 ms 2028 KB Output is correct
14 Correct 15 ms 1388 KB Output is correct
15 Correct 4 ms 620 KB Output is correct
16 Correct 15 ms 1388 KB Output is correct
17 Correct 38 ms 3180 KB Output is correct
18 Correct 21 ms 1900 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 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 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 12 ms 1132 KB Output is correct
35 Correct 34 ms 2924 KB Output is correct
36 Correct 42 ms 3436 KB Output is correct
37 Correct 110 ms 3180 KB Output is correct
38 Correct 121 ms 3436 KB Output is correct
39 Correct 29 ms 3052 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 24 ms 1648 KB Output is correct
42 Correct 38 ms 3180 KB Output is correct
43 Correct 5 ms 620 KB Output is correct
44 Correct 24 ms 2284 KB Output is correct
45 Correct 34 ms 2412 KB Output is correct
46 Correct 41 ms 3308 KB Output is correct
47 Correct 13 ms 1388 KB Output is correct
48 Correct 2 ms 364 KB Output is correct
49 Correct 100 ms 2988 KB Output is correct
50 Correct 46 ms 3328 KB Output is correct
51 Correct 66 ms 2924 KB Output is correct
52 Correct 45 ms 3180 KB Output is correct
53 Correct 44 ms 3564 KB Output is correct
54 Correct 113 ms 3180 KB Output is correct
55 Correct 38 ms 3180 KB Output is correct
56 Correct 56 ms 3052 KB Output is correct
57 Correct 42 ms 2924 KB Output is correct
58 Correct 446 ms 3308 KB Output is correct
59 Correct 474 ms 3308 KB Output is correct
60 Correct 442 ms 3308 KB Output is correct
61 Correct 475 ms 3436 KB Output is correct
62 Correct 439 ms 3180 KB Output is correct
63 Correct 497 ms 3520 KB Output is correct
64 Correct 423 ms 3180 KB Output is correct
65 Correct 0 ms 364 KB Output is correct
66 Correct 0 ms 364 KB Output is correct
67 Incorrect 471 ms 3564 KB Output isn't correct
68 Halted 0 ms 0 KB -