oj.uz

Submission #633908

# Submission time Handle Problem Language Result Execution time Memory
633908 2022-08-23T12:34:23 Z drkarlicio2107 Chessboard (IZhO18_chessboard) C++14
100 / 100
 1360 ms 5804 KB 
#include <bits/stdc++.h>
using namespace std;
struct c {
	 long long int x1, y1, x2, y2;
};
c coor [100010];
vector <int> di;
 long long int uk1=0;  long long int sol=0;
 long long int uk2=0;  long long int sol2=0;
 long long int D;
 long long int solve ( long long int x,  long long int y,  long long int p){
	if (x<0 || y<0) return 0;
	 long long int ans=0;  long long int r1, r2;
	 long long int t1=x/D;  long long int t2=y/D;
	if (t1%2==1) r1=(t1/2+1)*D;
	else r1=(t1/2)*D+(x%D);
	if (t1%2==1) r2=(t1/2)*D+(x%D);
	else r2=(t1/2)*D;

	if (t2%2==1) ans=(t2/2+1)*r1*D+(t2/2)*r2*D+r2*(y%D);
	else ans=(t2/2)*r1*D+(t2/2)*r2*D+r1*(y%D);
	
	if (p) ans=(x*y)-ans;
	return ans;
}
void check (c s,  long long int d){
	D=d;
	 long long int x1=s.x1;  long long int x2=s.x2;  long long int y1=s.y1;  long long int y2=s.y2;  long long int poc=sol, poc2=sol2; //x1--; x2--; y1--; y2--;
	sol+=solve (x2, y2, 0)-solve (x2, y1-1, 0)-solve (x1-1, y2, 0)+solve (y1-1, x1-1, 0); uk1+=((x2-x1+1)*(y2-y1+1)-(sol-poc));
	sol2+=solve (x2, y2, 1)-solve (x2, y1-1, 1)-solve (x1-1, y2, 1)+solve (y1-1, x1-1, 1); uk2+=((x2-x1+1)*(y2-y1+1)-(sol2-poc2));
	//cout << sol << " " << sol2 << endl;
	return ;
}
int main(){
	 long long int n, k; cin >> n >> k;
	for ( long long int i=0; i<k; i++){
		cin >> coor [i].x1 >> coor [i].y1 >> coor [i].x2 >> coor [i].y2;
	}
	for ( long long int i=1; i<n; i++){
		if (n%i==0) di.push_back (i);
	}
	 long long int ans=1e18;
	for ( long long int i=0; i<di.size (); i++){
		sol=0; sol2=0; uk1=0; uk2=0;
		for ( long long int j=0; j<k; j++){
			check (coor [j], di [i]);
		}
		 long long int u1, u2;
		u1=(((n/di[i])*(n/di[i]))/2*di[i]*di[i]);
		u2=n*n-u1;
		ans=min(ans, min(u1-uk1+sol, u2-uk2+sol2));
		//cout << u1 << " " << u2 << endl;
		//cout << min(u1-uk1+sol, u2-uk2+sol2) << endl;
	}
	cout << ans;
	return 0;
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:43:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |  for ( long long int i=0; i<di.size (); i++){
      |                           ~^~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 2196 KB Output is correct
2 Correct 18 ms 1108 KB Output is correct
3 Correct 47 ms 2344 KB Output is correct
4 Correct 53 ms 2488 KB Output is correct
5 Correct 60 ms 3220 KB Output is correct
6 Correct 47 ms 2096 KB Output is correct
7 Correct 8 ms 596 KB Output is correct
8 Correct 38 ms 2108 KB Output is correct
9 Correct 106 ms 5184 KB Output is correct
10 Correct 56 ms 2928 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 30 ms 1108 KB Output is correct
17 Correct 77 ms 2836 KB Output is correct
18 Correct 120 ms 3328 KB Output is correct
19 Correct 315 ms 3012 KB Output is correct
20 Correct 327 ms 3400 KB Output is correct
21 Correct 76 ms 2820 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 65 ms 1612 KB Output is correct
24 Correct 95 ms 3012 KB Output is correct
25 Correct 13 ms 468 KB Output is correct
26 Correct 62 ms 2056 KB Output is correct
27 Correct 87 ms 2376 KB Output is correct
28 Correct 100 ms 3196 KB Output is correct
29 Correct 30 ms 1228 KB Output is correct
30 Correct 3 ms 340 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 2196 KB Output is correct
2 Correct 18 ms 1108 KB Output is correct
3 Correct 47 ms 2344 KB Output is correct
4 Correct 53 ms 2488 KB Output is correct
5 Correct 60 ms 3220 KB Output is correct
6 Correct 47 ms 2096 KB Output is correct
7 Correct 8 ms 596 KB Output is correct
8 Correct 38 ms 2108 KB Output is correct
9 Correct 106 ms 5184 KB Output is correct
10 Correct 56 ms 2928 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 3 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 30 ms 1108 KB Output is correct
27 Correct 77 ms 2836 KB Output is correct
28 Correct 120 ms 3328 KB Output is correct
29 Correct 315 ms 3012 KB Output is correct
30 Correct 327 ms 3400 KB Output is correct
31 Correct 76 ms 2820 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 65 ms 1612 KB Output is correct
34 Correct 95 ms 3012 KB Output is correct
35 Correct 13 ms 468 KB Output is correct
36 Correct 62 ms 2056 KB Output is correct
37 Correct 87 ms 2376 KB Output is correct
38 Correct 100 ms 3196 KB Output is correct
39 Correct 30 ms 1228 KB Output is correct
40 Correct 3 ms 340 KB Output is correct
41 Correct 275 ms 4860 KB Output is correct
42 Correct 124 ms 5488 KB Output is correct
43 Correct 174 ms 4924 KB Output is correct
44 Correct 126 ms 5348 KB Output is correct
45 Correct 112 ms 5760 KB Output is correct
46 Correct 301 ms 5420 KB Output is correct
47 Correct 98 ms 4940 KB Output is correct
48 Correct 148 ms 5096 KB Output is correct
49 Correct 121 ms 4924 KB Output is correct
50 Correct 1209 ms 5300 KB Output is correct
51 Correct 1307 ms 5632 KB Output is correct
52 Correct 1221 ms 5264 KB Output is correct
53 Correct 1293 ms 5600 KB Output is correct
54 Correct 1198 ms 5200 KB Output is correct
55 Correct 1360 ms 5804 KB Output is correct
56 Correct 1172 ms 5044 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 74 ms 2196 KB Output is correct
10 Correct 18 ms 1108 KB Output is correct
11 Correct 47 ms 2344 KB Output is correct
12 Correct 53 ms 2488 KB Output is correct
13 Correct 60 ms 3220 KB Output is correct
14 Correct 47 ms 2096 KB Output is correct
15 Correct 8 ms 596 KB Output is correct
16 Correct 38 ms 2108 KB Output is correct
17 Correct 106 ms 5184 KB Output is correct
18 Correct 56 ms 2928 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 3 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 30 ms 1108 KB Output is correct
35 Correct 77 ms 2836 KB Output is correct
36 Correct 120 ms 3328 KB Output is correct
37 Correct 315 ms 3012 KB Output is correct
38 Correct 327 ms 3400 KB Output is correct
39 Correct 76 ms 2820 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 65 ms 1612 KB Output is correct
42 Correct 95 ms 3012 KB Output is correct
43 Correct 13 ms 468 KB Output is correct
44 Correct 62 ms 2056 KB Output is correct
45 Correct 87 ms 2376 KB Output is correct
46 Correct 100 ms 3196 KB Output is correct
47 Correct 30 ms 1228 KB Output is correct
48 Correct 3 ms 340 KB Output is correct
49 Correct 275 ms 4860 KB Output is correct
50 Correct 124 ms 5488 KB Output is correct
51 Correct 174 ms 4924 KB Output is correct
52 Correct 126 ms 5348 KB Output is correct
53 Correct 112 ms 5760 KB Output is correct
54 Correct 301 ms 5420 KB Output is correct
55 Correct 98 ms 4940 KB Output is correct
56 Correct 148 ms 5096 KB Output is correct
57 Correct 121 ms 4924 KB Output is correct
58 Correct 1209 ms 5300 KB Output is correct
59 Correct 1307 ms 5632 KB Output is correct
60 Correct 1221 ms 5264 KB Output is correct
61 Correct 1293 ms 5600 KB Output is correct
62 Correct 1198 ms 5200 KB Output is correct
63 Correct 1360 ms 5804 KB Output is correct
64 Correct 1172 ms 5044 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 0 ms 212 KB Output is correct
67 Correct 1270 ms 5504 KB Output is correct
68 Correct 1250 ms 5432 KB Output is correct
69 Correct 1105 ms 4812 KB Output is correct
70 Correct 1245 ms 5320 KB Output is correct
71 Correct 1206 ms 5200 KB Output is correct
72 Correct 1195 ms 5196 KB Output is correct
73 Correct 1163 ms 5000 KB Output is correct
74 Correct 1267 ms 5384 KB Output is correct
75 Correct 1204 ms 5156 KB Output is correct
76 Correct 1272 ms 5572 KB Output is correct
77 Correct 247 ms 5712 KB Output is correct
78 Correct 116 ms 5152 KB Output is correct
79 Correct 182 ms 4908 KB Output is correct
80 Correct 187 ms 5220 KB Output is correct
81 Correct 188 ms 4808 KB Output is correct
82 Correct 158 ms 5500 KB Output is correct
83 Correct 136 ms 5016 KB Output is correct
84 Correct 782 ms 5620 KB Output is correct
85 Correct 1319 ms 5708 KB Output is correct
86 Correct 2 ms 224 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 1345 ms 5792 KB Output is correct
89 Correct 263 ms 1324 KB Output is correct
90 Correct 1 ms 212 KB Output is correct