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Submission #1112648

# Submission time Handle Problem Language Result Execution time Memory
1112648 2024-11-14T13:40:36 Z noyancanturk Chessboard (IZhO18_chessboard) C++17
100 / 100
 472 ms 5384 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
using pii=pair<int,int>;
signed main(){
  int n,k;
  cin>>n>>k;
  int a[k],b[k],c[k],d[k];
  for(int i=0;i<k;i++){
    cin>>a[i]>>b[i]>>c[i]>>d[i];
  }
  int ans=n*n;
  for(int len=1;len<n;len++){
    if(n%len)continue;
    auto cntfind=[&](int x,int y)->pii {
      if(!x||!y)return pii{0,0};
      int st1,nd1;
      if((x/len)%2==1){
        st1=(x/len/2+1)*len;
        nd1=x-st1;
      }else{
        nd1=(x/len/2)*len;
        st1=x-nd1;
      }
      int st2,nd2;
      if((y/len)%2==1){
        st2=(y/len/2+1)*len;
        nd2=y-st2;
      }else{
        nd2=(y/len/2)*len;
        st2=y-nd2;
      }
      return pii{st1*st2+nd1*nd2,x*y-(st1*st2+nd1*nd2)};
    };
    pii res=cntfind(n,n);
    int need1=res.first,need2=res.second;
    for(int i=0;i<k;i++){
      int xx=a[i],yx=b[i],xy=c[i],yy=d[i];
      res=cntfind(xy,yy);
      need1-=res.first-res.second;
      need2-=res.second-res.first;
      res=cntfind(xx-1,yx-1);
      need1-=res.first-res.second;
      need2-=res.second-res.first;
      res=cntfind(xx-1,yy);
      need1-=res.second-res.first;
      need2-=res.first-res.second;
      res=cntfind(xy,yx-1);
      need1-=res.second-res.first;
      need2-=res.first-res.second;
    }
    ans=min({ans,need1,need2});
  }
  cout<<ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 2384 KB Output is correct
2 Correct 11 ms 848 KB Output is correct
3 Correct 27 ms 1616 KB Output is correct
4 Correct 27 ms 1616 KB Output is correct
5 Correct 41 ms 3160 KB Output is correct
6 Correct 24 ms 2128 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 27 ms 2128 KB Output is correct
9 Correct 60 ms 3240 KB Output is correct
10 Correct 35 ms 2040 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 2 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 336 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 2 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 2 ms 336 KB Output is correct
16 Correct 21 ms 1288 KB Output is correct
17 Correct 47 ms 3664 KB Output is correct
18 Correct 71 ms 3408 KB Output is correct
19 Correct 123 ms 3408 KB Output is correct
20 Correct 134 ms 4184 KB Output is correct
21 Correct 44 ms 3896 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 39 ms 1500 KB Output is correct
24 Correct 55 ms 3656 KB Output is correct
25 Correct 8 ms 592 KB Output is correct
26 Correct 34 ms 2128 KB Output is correct
27 Correct 46 ms 2888 KB Output is correct
28 Correct 60 ms 3656 KB Output is correct
29 Correct 19 ms 1872 KB Output is correct
30 Correct 3 ms 336 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 2384 KB Output is correct
2 Correct 11 ms 848 KB Output is correct
3 Correct 27 ms 1616 KB Output is correct
4 Correct 27 ms 1616 KB Output is correct
5 Correct 41 ms 3160 KB Output is correct
6 Correct 24 ms 2128 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 27 ms 2128 KB Output is correct
9 Correct 60 ms 3240 KB Output is correct
10 Correct 35 ms 2040 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 2 ms 336 KB Output is correct
26 Correct 21 ms 1288 KB Output is correct
27 Correct 47 ms 3664 KB Output is correct
28 Correct 71 ms 3408 KB Output is correct
29 Correct 123 ms 3408 KB Output is correct
30 Correct 134 ms 4184 KB Output is correct
31 Correct 44 ms 3896 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 39 ms 1500 KB Output is correct
34 Correct 55 ms 3656 KB Output is correct
35 Correct 8 ms 592 KB Output is correct
36 Correct 34 ms 2128 KB Output is correct
37 Correct 46 ms 2888 KB Output is correct
38 Correct 60 ms 3656 KB Output is correct
39 Correct 19 ms 1872 KB Output is correct
40 Correct 3 ms 336 KB Output is correct
41 Correct 112 ms 2896 KB Output is correct
42 Correct 75 ms 4616 KB Output is correct
43 Correct 90 ms 3832 KB Output is correct
44 Correct 71 ms 3320 KB Output is correct
45 Correct 67 ms 3912 KB Output is correct
46 Correct 139 ms 3912 KB Output is correct
47 Correct 64 ms 2896 KB Output is correct
48 Correct 75 ms 4168 KB Output is correct
49 Correct 65 ms 3800 KB Output is correct
50 Correct 400 ms 3912 KB Output is correct
51 Correct 428 ms 4680 KB Output is correct
52 Correct 405 ms 5192 KB Output is correct
53 Correct 417 ms 4492 KB Output is correct
54 Correct 400 ms 4732 KB Output is correct
55 Correct 442 ms 4896 KB Output is correct
56 Correct 386 ms 4936 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 41 ms 2384 KB Output is correct
10 Correct 11 ms 848 KB Output is correct
11 Correct 27 ms 1616 KB Output is correct
12 Correct 27 ms 1616 KB Output is correct
13 Correct 41 ms 3160 KB Output is correct
14 Correct 24 ms 2128 KB Output is correct
15 Correct 5 ms 592 KB Output is correct
16 Correct 27 ms 2128 KB Output is correct
17 Correct 60 ms 3240 KB Output is correct
18 Correct 35 ms 2040 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 2 ms 336 KB Output is correct
34 Correct 21 ms 1288 KB Output is correct
35 Correct 47 ms 3664 KB Output is correct
36 Correct 71 ms 3408 KB Output is correct
37 Correct 123 ms 3408 KB Output is correct
38 Correct 134 ms 4184 KB Output is correct
39 Correct 44 ms 3896 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 39 ms 1500 KB Output is correct
42 Correct 55 ms 3656 KB Output is correct
43 Correct 8 ms 592 KB Output is correct
44 Correct 34 ms 2128 KB Output is correct
45 Correct 46 ms 2888 KB Output is correct
46 Correct 60 ms 3656 KB Output is correct
47 Correct 19 ms 1872 KB Output is correct
48 Correct 3 ms 336 KB Output is correct
49 Correct 112 ms 2896 KB Output is correct
50 Correct 75 ms 4616 KB Output is correct
51 Correct 90 ms 3832 KB Output is correct
52 Correct 71 ms 3320 KB Output is correct
53 Correct 67 ms 3912 KB Output is correct
54 Correct 139 ms 3912 KB Output is correct
55 Correct 64 ms 2896 KB Output is correct
56 Correct 75 ms 4168 KB Output is correct
57 Correct 65 ms 3800 KB Output is correct
58 Correct 400 ms 3912 KB Output is correct
59 Correct 428 ms 4680 KB Output is correct
60 Correct 405 ms 5192 KB Output is correct
61 Correct 417 ms 4492 KB Output is correct
62 Correct 400 ms 4732 KB Output is correct
63 Correct 442 ms 4896 KB Output is correct
64 Correct 386 ms 4936 KB Output is correct
65 Correct 1 ms 336 KB Output is correct
66 Correct 1 ms 336 KB Output is correct
67 Correct 427 ms 5240 KB Output is correct
68 Correct 419 ms 5384 KB Output is correct
69 Correct 371 ms 3108 KB Output is correct
70 Correct 389 ms 4424 KB Output is correct
71 Correct 392 ms 5036 KB Output is correct
72 Correct 380 ms 4168 KB Output is correct
73 Correct 380 ms 3836 KB Output is correct
74 Correct 421 ms 4596 KB Output is correct
75 Correct 420 ms 4688 KB Output is correct
76 Correct 444 ms 4784 KB Output is correct
77 Correct 114 ms 4680 KB Output is correct
78 Correct 67 ms 4448 KB Output is correct
79 Correct 89 ms 3068 KB Output is correct
80 Correct 110 ms 3876 KB Output is correct
81 Correct 85 ms 4004 KB Output is correct
82 Correct 96 ms 4652 KB Output is correct
83 Correct 93 ms 2896 KB Output is correct
84 Correct 285 ms 4944 KB Output is correct
85 Correct 472 ms 4936 KB Output is correct
86 Correct 1 ms 336 KB Output is correct
87 Correct 1 ms 336 KB Output is correct
88 Correct 467 ms 5060 KB Output is correct
89 Correct 93 ms 996 KB Output is correct
90 Correct 1 ms 336 KB Output is correct