oj.uz

Submission #340326

# Submission time Handle Problem Language Result Execution time Memory
340326 2020-12-27T12:46:24 Z scales Chessboard (IZhO18_chessboard) C++17
70 / 100
 285 ms 4332 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,tip,g,p,l,r,sum,maxi,kol,v,f,s;
     cin>>n;
     cin>>k;
     z=0;
     maxi=100000000000;
     vector<long long> a(k),b(k);
     for(i=0;i<k;i++)
     {
         cin>>a[i];
         cin>>b[i];
         cin>>x;
         cin>>y;
         a[i]--;
         b[i]--;
     }
     vector<long long> viv;
     for(i=1;i<n;i++)
     {
         if(n%i==0)
         {
             viv.push_back(i);
         }
     }
     x=viv.size();
        for(i=0;i<x;i++)
        {
             kol=0;
             w=viv[i];
             //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;
                 if((((a[j]%(2*w))<w) && ((b[j]%(2*w))>=w)) ||( ((a[j]%(2*w))>=w) && ((b[j]%(2*w))<w)))
                 {
                     kol++;
                 }
             }
             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=k-kol;
             //cout<<"kol="<<kol<<" f="<<f<<" s="<<s<<" maxi=";
             maxi=min({maxi,(f-kol+k-kol),(kol+s-k+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,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                ^
chessboard.cpp:15:22: warning: unused variable 'dno' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                      ^~~
chessboard.cpp:15:30: warning: variable 'z' set but not used [-Wunused-but-set-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                              ^
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,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                  ^
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,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                        ^~
chessboard.cpp:15:43: warning: unused variable 'tip' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                           ^~~
chessboard.cpp:15:47: warning: unused variable 'g' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                               ^
chessboard.cpp:15:49: warning: unused variable 'p' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                                 ^
chessboard.cpp:15:51: warning: unused variable 'l' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                                   ^
chessboard.cpp:15:53: warning: unused variable 'r' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                                     ^
chessboard.cpp:15:55: warning: unused variable 'sum' [-Wunused-variable]
   15 |      long long t,i,j,dno,x,y,z,w,m,k,n,x1,tip,g,p,l,r,sum,maxi,kol,v,f,s;
      |                                                       ^~~

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 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 2572 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 16 ms 1920 KB Output is correct
4 Correct 18 ms 1900 KB Output is correct
5 Correct 28 ms 2540 KB Output is correct
6 Correct 14 ms 1644 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 15 ms 1644 KB Output is correct
9 Correct 39 ms 3948 KB Output is correct
10 Correct 23 ms 2412 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 10 ms 1260 KB Output is correct
17 Correct 28 ms 2924 KB Output is correct
18 Correct 40 ms 3084 KB Output is correct
19 Correct 74 ms 2924 KB Output is correct
20 Correct 80 ms 3052 KB Output is correct
21 Correct 27 ms 2796 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 23 ms 1644 KB Output is correct
24 Correct 33 ms 2924 KB Output is correct
25 Correct 4 ms 620 KB Output is correct
26 Correct 21 ms 2156 KB Output is correct
27 Correct 28 ms 2540 KB Output is correct
28 Correct 36 ms 3052 KB Output is correct
29 Correct 12 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 2572 KB Output is correct
2 Correct 7 ms 1004 KB Output is correct
3 Correct 16 ms 1920 KB Output is correct
4 Correct 18 ms 1900 KB Output is correct
5 Correct 28 ms 2540 KB Output is correct
6 Correct 14 ms 1644 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 15 ms 1644 KB Output is correct
9 Correct 39 ms 3948 KB Output is correct
10 Correct 23 ms 2412 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 10 ms 1260 KB Output is correct
27 Correct 28 ms 2924 KB Output is correct
28 Correct 40 ms 3084 KB Output is correct
29 Correct 74 ms 2924 KB Output is correct
30 Correct 80 ms 3052 KB Output is correct
31 Correct 27 ms 2796 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 23 ms 1644 KB Output is correct
34 Correct 33 ms 2924 KB Output is correct
35 Correct 4 ms 620 KB Output is correct
36 Correct 21 ms 2156 KB Output is correct
37 Correct 28 ms 2540 KB Output is correct
38 Correct 36 ms 3052 KB Output is correct
39 Correct 12 ms 1388 KB Output is correct
40 Correct 2 ms 364 KB Output is correct
41 Correct 69 ms 3564 KB Output is correct
42 Correct 47 ms 4076 KB Output is correct
43 Correct 49 ms 3692 KB Output is correct
44 Correct 41 ms 3968 KB Output is correct
45 Correct 39 ms 4332 KB Output is correct
46 Correct 77 ms 4068 KB Output is correct
47 Correct 34 ms 3692 KB Output is correct
48 Correct 44 ms 3820 KB Output is correct
49 Correct 40 ms 3712 KB Output is correct
50 Correct 261 ms 4076 KB Output is correct
51 Correct 283 ms 4204 KB Output is correct
52 Correct 274 ms 4076 KB Output is correct
53 Correct 277 ms 4204 KB Output is correct
54 Correct 256 ms 3820 KB Output is correct
55 Correct 285 ms 4332 KB Output is correct
56 Correct 264 ms 3692 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 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 2572 KB Output is correct
10 Correct 7 ms 1004 KB Output is correct
11 Correct 16 ms 1920 KB Output is correct
12 Correct 18 ms 1900 KB Output is correct
13 Correct 28 ms 2540 KB Output is correct
14 Correct 14 ms 1644 KB Output is correct
15 Correct 4 ms 620 KB Output is correct
16 Correct 15 ms 1644 KB Output is correct
17 Correct 39 ms 3948 KB Output is correct
18 Correct 23 ms 2412 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 10 ms 1260 KB Output is correct
35 Correct 28 ms 2924 KB Output is correct
36 Correct 40 ms 3084 KB Output is correct
37 Correct 74 ms 2924 KB Output is correct
38 Correct 80 ms 3052 KB Output is correct
39 Correct 27 ms 2796 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 23 ms 1644 KB Output is correct
42 Correct 33 ms 2924 KB Output is correct
43 Correct 4 ms 620 KB Output is correct
44 Correct 21 ms 2156 KB Output is correct
45 Correct 28 ms 2540 KB Output is correct
46 Correct 36 ms 3052 KB Output is correct
47 Correct 12 ms 1388 KB Output is correct
48 Correct 2 ms 364 KB Output is correct
49 Correct 69 ms 3564 KB Output is correct
50 Correct 47 ms 4076 KB Output is correct
51 Correct 49 ms 3692 KB Output is correct
52 Correct 41 ms 3968 KB Output is correct
53 Correct 39 ms 4332 KB Output is correct
54 Correct 77 ms 4068 KB Output is correct
55 Correct 34 ms 3692 KB Output is correct
56 Correct 44 ms 3820 KB Output is correct
57 Correct 40 ms 3712 KB Output is correct
58 Correct 261 ms 4076 KB Output is correct
59 Correct 283 ms 4204 KB Output is correct
60 Correct 274 ms 4076 KB Output is correct
61 Correct 277 ms 4204 KB Output is correct
62 Correct 256 ms 3820 KB Output is correct
63 Correct 285 ms 4332 KB Output is correct
64 Correct 264 ms 3692 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Incorrect 1 ms 364 KB Output isn't correct
67 Halted 0 ms 0 KB -