Submission #90125

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
90125	2018-12-20T13:15:56 Z	Atashka01	Chessboard (IZhO18_chessboard)	C++11	70 / 100	631 ms	8740 KB

chessboard

//Euzibillahiminesseqtanirracim Bismillahirrahmanirrahim

/*
ID:
TASK:
LANG: C++
*/

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define mp make_pair
#define PII pair<int,int>
#define inf 100000000001
using namespace std;

long long n, m, ans = inf , r;

double l;

pair<long long, long long> d[100001];

vector<long long>v;

void f(int x1,int q1,int x2,int q2){
	
	for(auto x:v){
		
		if( (x1%(2*x) < x && q1%(2*x) < x) || (x1%(2*x) >= x && q1%(2*x) >= x) ){
			
			d[x].ff--;
			d[x].ss++;
			
		}
		else{
			
			d[x].ff++;
			d[x].ss--;
			
		}
		
	}		
	
}

long long x1, q1, x2, q2;

int main()
{
	
	cin>>n>>m;
	
	v.pb(1);
		
	for(int i=2;i<=sqrt(n);i++) if(n%i == 0){
		
		v.pb(i);
		v.pb(n/i);
		
	}
	
	r = sqrt(n);
	l = sqrt(n);
	
	if(l == r) v.pop_back();
	
	
	for(auto x:v){
		
		d[x].ff = (( (n/x)*(n/x) )/ 2 + ( (n/x)*(n/x) )% 2 ) * x*x;
		d[x].ss = n*n - d[x].ff;
		
	}
	
	
	while(m--){
		
		cin>>x1>>q1>>x2>>q2;
		
		f(x1 - 1 ,q1 - 1 ,x2 - 1 ,q2 - 1 );
		
		
	}
	
	for(auto x:v){
		
		ans = min(ans , min( d[x].ff , d[x].ss ));
		
	}
	
	cout<<ans;
	
}

/*
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_________8BBBBBB8    BBBBBBB*
_________BBBBBB*     8BBBBB*
________oBBBB8       BBBBB*
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_______8BBBB*      oBBBBBBo
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______BBBBB*            *88BBBo
*/

Subtask #1
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	476 KB	Output is correct
3	Correct	2 ms	476 KB	Output is correct
4	Correct	2 ms	476 KB	Output is correct
5	Correct	2 ms	496 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	2 ms	552 KB	Output is correct

Subtask #2
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	88 ms	2008 KB	Output is correct
2	Correct	24 ms	2524 KB	Output is correct
3	Correct	62 ms	3328 KB	Output is correct
4	Correct	54 ms	4140 KB	Output is correct
5	Correct	77 ms	5416 KB	Output is correct
6	Correct	50 ms	5804 KB	Output is correct
7	Correct	12 ms	5804 KB	Output is correct
8	Correct	50 ms	5892 KB	Output is correct
9	Correct	123 ms	5892 KB	Output is correct
10	Correct	71 ms	6028 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	6028 KB	Output is correct
2	Correct	2 ms	6088 KB	Output is correct
3	Correct	2 ms	6104 KB	Output is correct
4	Correct	4 ms	6236 KB	Output is correct
5	Correct	3 ms	6236 KB	Output is correct
6	Correct	3 ms	6236 KB	Output is correct
7	Correct	3 ms	6236 KB	Output is correct
8	Correct	3 ms	6236 KB	Output is correct
9	Correct	3 ms	6236 KB	Output is correct
10	Correct	2 ms	6236 KB	Output is correct
11	Correct	3 ms	6236 KB	Output is correct
12	Correct	3 ms	6236 KB	Output is correct
13	Correct	3 ms	6236 KB	Output is correct
14	Correct	3 ms	6236 KB	Output is correct
15	Correct	3 ms	6236 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	6028 KB	Output is correct
2	Correct	2 ms	6088 KB	Output is correct
3	Correct	2 ms	6104 KB	Output is correct
4	Correct	4 ms	6236 KB	Output is correct
5	Correct	3 ms	6236 KB	Output is correct
6	Correct	3 ms	6236 KB	Output is correct
7	Correct	3 ms	6236 KB	Output is correct
8	Correct	3 ms	6236 KB	Output is correct
9	Correct	3 ms	6236 KB	Output is correct
10	Correct	2 ms	6236 KB	Output is correct
11	Correct	3 ms	6236 KB	Output is correct
12	Correct	3 ms	6236 KB	Output is correct
13	Correct	3 ms	6236 KB	Output is correct
14	Correct	3 ms	6236 KB	Output is correct
15	Correct	3 ms	6236 KB	Output is correct
16	Correct	33 ms	6628 KB	Output is correct
17	Correct	91 ms	6840 KB	Output is correct
18	Correct	113 ms	6852 KB	Output is correct
19	Correct	183 ms	6852 KB	Output is correct
20	Correct	206 ms	6852 KB	Output is correct
21	Correct	85 ms	6852 KB	Output is correct
22	Correct	3 ms	6852 KB	Output is correct
23	Correct	57 ms	6852 KB	Output is correct
24	Correct	102 ms	6852 KB	Output is correct
25	Correct	13 ms	6852 KB	Output is correct
26	Correct	65 ms	6852 KB	Output is correct
27	Correct	83 ms	6852 KB	Output is correct
28	Correct	106 ms	6852 KB	Output is correct
29	Correct	36 ms	6852 KB	Output is correct
30	Correct	5 ms	6852 KB	Output is correct

Subtask #5
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	88 ms	2008 KB	Output is correct
2	Correct	24 ms	2524 KB	Output is correct
3	Correct	62 ms	3328 KB	Output is correct
4	Correct	54 ms	4140 KB	Output is correct
5	Correct	77 ms	5416 KB	Output is correct
6	Correct	50 ms	5804 KB	Output is correct
7	Correct	12 ms	5804 KB	Output is correct
8	Correct	50 ms	5892 KB	Output is correct
9	Correct	123 ms	5892 KB	Output is correct
10	Correct	71 ms	6028 KB	Output is correct
11	Correct	2 ms	6028 KB	Output is correct
12	Correct	2 ms	6088 KB	Output is correct
13	Correct	2 ms	6104 KB	Output is correct
14	Correct	4 ms	6236 KB	Output is correct
15	Correct	3 ms	6236 KB	Output is correct
16	Correct	3 ms	6236 KB	Output is correct
17	Correct	3 ms	6236 KB	Output is correct
18	Correct	3 ms	6236 KB	Output is correct
19	Correct	3 ms	6236 KB	Output is correct
20	Correct	2 ms	6236 KB	Output is correct
21	Correct	3 ms	6236 KB	Output is correct
22	Correct	3 ms	6236 KB	Output is correct
23	Correct	3 ms	6236 KB	Output is correct
24	Correct	3 ms	6236 KB	Output is correct
25	Correct	3 ms	6236 KB	Output is correct
26	Correct	33 ms	6628 KB	Output is correct
27	Correct	91 ms	6840 KB	Output is correct
28	Correct	113 ms	6852 KB	Output is correct
29	Correct	183 ms	6852 KB	Output is correct
30	Correct	206 ms	6852 KB	Output is correct
31	Correct	85 ms	6852 KB	Output is correct
32	Correct	3 ms	6852 KB	Output is correct
33	Correct	57 ms	6852 KB	Output is correct
34	Correct	102 ms	6852 KB	Output is correct
35	Correct	13 ms	6852 KB	Output is correct
36	Correct	65 ms	6852 KB	Output is correct
37	Correct	83 ms	6852 KB	Output is correct
38	Correct	106 ms	6852 KB	Output is correct
39	Correct	36 ms	6852 KB	Output is correct
40	Correct	5 ms	6852 KB	Output is correct
41	Correct	195 ms	6980 KB	Output is correct
42	Correct	141 ms	6980 KB	Output is correct
43	Correct	149 ms	6980 KB	Output is correct
44	Correct	134 ms	8496 KB	Output is correct
45	Correct	137 ms	8496 KB	Output is correct
46	Correct	241 ms	8616 KB	Output is correct
47	Correct	126 ms	8616 KB	Output is correct
48	Correct	144 ms	8616 KB	Output is correct
49	Correct	124 ms	8616 KB	Output is correct
50	Correct	569 ms	8716 KB	Output is correct
51	Correct	601 ms	8740 KB	Output is correct
52	Correct	568 ms	8740 KB	Output is correct
53	Correct	606 ms	8740 KB	Output is correct
54	Correct	556 ms	8740 KB	Output is correct
55	Correct	631 ms	8740 KB	Output is correct
56	Correct	542 ms	8740 KB	Output is correct

Subtask #6
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	476 KB	Output is correct
3	Correct	2 ms	476 KB	Output is correct
4	Correct	2 ms	476 KB	Output is correct
5	Correct	2 ms	496 KB	Output is correct
6	Correct	2 ms	512 KB	Output is correct
7	Correct	2 ms	552 KB	Output is correct
8	Correct	2 ms	552 KB	Output is correct
9	Correct	88 ms	2008 KB	Output is correct
10	Correct	24 ms	2524 KB	Output is correct
11	Correct	62 ms	3328 KB	Output is correct
12	Correct	54 ms	4140 KB	Output is correct
13	Correct	77 ms	5416 KB	Output is correct
14	Correct	50 ms	5804 KB	Output is correct
15	Correct	12 ms	5804 KB	Output is correct
16	Correct	50 ms	5892 KB	Output is correct
17	Correct	123 ms	5892 KB	Output is correct
18	Correct	71 ms	6028 KB	Output is correct
19	Correct	2 ms	6028 KB	Output is correct
20	Correct	2 ms	6088 KB	Output is correct
21	Correct	2 ms	6104 KB	Output is correct
22	Correct	4 ms	6236 KB	Output is correct
23	Correct	3 ms	6236 KB	Output is correct
24	Correct	3 ms	6236 KB	Output is correct
25	Correct	3 ms	6236 KB	Output is correct
26	Correct	3 ms	6236 KB	Output is correct
27	Correct	3 ms	6236 KB	Output is correct
28	Correct	2 ms	6236 KB	Output is correct
29	Correct	3 ms	6236 KB	Output is correct
30	Correct	3 ms	6236 KB	Output is correct
31	Correct	3 ms	6236 KB	Output is correct
32	Correct	3 ms	6236 KB	Output is correct
33	Correct	3 ms	6236 KB	Output is correct
34	Correct	33 ms	6628 KB	Output is correct
35	Correct	91 ms	6840 KB	Output is correct
36	Correct	113 ms	6852 KB	Output is correct
37	Correct	183 ms	6852 KB	Output is correct
38	Correct	206 ms	6852 KB	Output is correct
39	Correct	85 ms	6852 KB	Output is correct
40	Correct	3 ms	6852 KB	Output is correct
41	Correct	57 ms	6852 KB	Output is correct
42	Correct	102 ms	6852 KB	Output is correct
43	Correct	13 ms	6852 KB	Output is correct
44	Correct	65 ms	6852 KB	Output is correct
45	Correct	83 ms	6852 KB	Output is correct
46	Correct	106 ms	6852 KB	Output is correct
47	Correct	36 ms	6852 KB	Output is correct
48	Correct	5 ms	6852 KB	Output is correct
49	Correct	195 ms	6980 KB	Output is correct
50	Correct	141 ms	6980 KB	Output is correct
51	Correct	149 ms	6980 KB	Output is correct
52	Correct	134 ms	8496 KB	Output is correct
53	Correct	137 ms	8496 KB	Output is correct
54	Correct	241 ms	8616 KB	Output is correct
55	Correct	126 ms	8616 KB	Output is correct
56	Correct	144 ms	8616 KB	Output is correct
57	Correct	124 ms	8616 KB	Output is correct
58	Correct	569 ms	8716 KB	Output is correct
59	Correct	601 ms	8740 KB	Output is correct
60	Correct	568 ms	8740 KB	Output is correct
61	Correct	606 ms	8740 KB	Output is correct
62	Correct	556 ms	8740 KB	Output is correct
63	Correct	631 ms	8740 KB	Output is correct
64	Correct	542 ms	8740 KB	Output is correct
65	Correct	2 ms	8740 KB	Output is correct
66	Incorrect	2 ms	8740 KB	Output isn't correct
67	Halted	0 ms	0 KB	-

Submission #90125

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 8.0 / 8.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 23.0 / 23.0

Subtask #6 0 / 30.0

Subtask #1
8.0 / 8.0

Subtask #2
8.0 / 8.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
23.0 / 23.0

Subtask #6
0 / 30.0