#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define ff first
#define ss second
#define PI 3.14159265359
ll n,m,t,p,h,a,b,c,d,e,f,i,j,k,r,l,mod=1000000007,mod1=998244353,MAX=1e18,ans;
ll X1[100001],X2[100001],Y1[100001],Y2[100001];
string s,u;
ll df[101];
vector<pair<ll,ll> >v;
vector<ll>dv[101];
void dfs(ll x){
df[x]=1;
for(ll i=0;i<dv[x].size();i++){
if(df[dv[x][i]]==0){
dfs(dv[x][i]);
}
}
}
ll fastPow(ll a,ll b){
ll d=1;
while(b>0){
if(b%2==1){
d=d*a%mod;
}
b/=2;
a=a*a%mod;
}
return d;
}
ll check(){
ll c=n/i;
ll b,w;
if(c%2==0){
b=n*n/2;
w=b;
}
else{
b=(n-i)*(n+i)/2;
w=b+(i*i);
}
ll num[2]={0};
for(ll j=1;j<=k;j++){
num[(((X1[j]-1)/i)+((Y1[j]-1)/i))%2]++;
}
return min((w-num[0])+num[1],(b-num[1])+num[0]);
}
int main(){
cin>>n>>k;
for(i=1;i<=k;i++){
cin>>X1[i]>>Y1[i]>>X2[i]>>Y2[i];
}
ans=n*n;
for(i=1;i<n;i++){
if(n%i==0){
ans=min(ans,check());
}
}
cout<<ans;
}
Compilation message
chessboard.cpp: In function 'void dfs(long long int)':
chessboard.cpp:16:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | for(ll i=0;i<dv[x].size();i++){
| ~^~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
2228 KB |
Output is correct |
2 |
Correct |
15 ms |
716 KB |
Output is correct |
3 |
Correct |
44 ms |
1476 KB |
Output is correct |
4 |
Correct |
41 ms |
1636 KB |
Output is correct |
5 |
Correct |
58 ms |
2004 KB |
Output is correct |
6 |
Correct |
37 ms |
1308 KB |
Output is correct |
7 |
Correct |
8 ms |
460 KB |
Output is correct |
8 |
Correct |
37 ms |
1340 KB |
Output is correct |
9 |
Correct |
100 ms |
3080 KB |
Output is correct |
10 |
Correct |
53 ms |
1824 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
0 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
26 ms |
1100 KB |
Output is correct |
17 |
Correct |
72 ms |
2816 KB |
Output is correct |
18 |
Correct |
80 ms |
3360 KB |
Output is correct |
19 |
Correct |
98 ms |
3012 KB |
Output is correct |
20 |
Correct |
110 ms |
3376 KB |
Output is correct |
21 |
Correct |
69 ms |
2712 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
39 ms |
1612 KB |
Output is correct |
24 |
Correct |
89 ms |
3092 KB |
Output is correct |
25 |
Correct |
8 ms |
588 KB |
Output is correct |
26 |
Correct |
46 ms |
2064 KB |
Output is correct |
27 |
Correct |
57 ms |
2412 KB |
Output is correct |
28 |
Correct |
78 ms |
3152 KB |
Output is correct |
29 |
Correct |
28 ms |
1224 KB |
Output is correct |
30 |
Correct |
3 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
65 ms |
2228 KB |
Output is correct |
2 |
Correct |
15 ms |
716 KB |
Output is correct |
3 |
Correct |
44 ms |
1476 KB |
Output is correct |
4 |
Correct |
41 ms |
1636 KB |
Output is correct |
5 |
Correct |
58 ms |
2004 KB |
Output is correct |
6 |
Correct |
37 ms |
1308 KB |
Output is correct |
7 |
Correct |
8 ms |
460 KB |
Output is correct |
8 |
Correct |
37 ms |
1340 KB |
Output is correct |
9 |
Correct |
100 ms |
3080 KB |
Output is correct |
10 |
Correct |
53 ms |
1824 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
332 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
26 ms |
1100 KB |
Output is correct |
27 |
Correct |
72 ms |
2816 KB |
Output is correct |
28 |
Correct |
80 ms |
3360 KB |
Output is correct |
29 |
Correct |
98 ms |
3012 KB |
Output is correct |
30 |
Correct |
110 ms |
3376 KB |
Output is correct |
31 |
Correct |
69 ms |
2712 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
39 ms |
1612 KB |
Output is correct |
34 |
Correct |
89 ms |
3092 KB |
Output is correct |
35 |
Correct |
8 ms |
588 KB |
Output is correct |
36 |
Correct |
46 ms |
2064 KB |
Output is correct |
37 |
Correct |
57 ms |
2412 KB |
Output is correct |
38 |
Correct |
78 ms |
3152 KB |
Output is correct |
39 |
Correct |
28 ms |
1224 KB |
Output is correct |
40 |
Correct |
3 ms |
332 KB |
Output is correct |
41 |
Correct |
113 ms |
2828 KB |
Output is correct |
42 |
Correct |
104 ms |
3204 KB |
Output is correct |
43 |
Correct |
107 ms |
2868 KB |
Output is correct |
44 |
Correct |
102 ms |
3104 KB |
Output is correct |
45 |
Correct |
109 ms |
3304 KB |
Output is correct |
46 |
Correct |
123 ms |
3140 KB |
Output is correct |
47 |
Correct |
89 ms |
3128 KB |
Output is correct |
48 |
Correct |
107 ms |
2920 KB |
Output is correct |
49 |
Correct |
90 ms |
2792 KB |
Output is correct |
50 |
Correct |
256 ms |
3128 KB |
Output is correct |
51 |
Correct |
298 ms |
3308 KB |
Output is correct |
52 |
Correct |
265 ms |
3068 KB |
Output is correct |
53 |
Correct |
278 ms |
3296 KB |
Output is correct |
54 |
Correct |
274 ms |
3020 KB |
Output is correct |
55 |
Correct |
288 ms |
3400 KB |
Output is correct |
56 |
Correct |
253 ms |
3056 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
65 ms |
2228 KB |
Output is correct |
10 |
Correct |
15 ms |
716 KB |
Output is correct |
11 |
Correct |
44 ms |
1476 KB |
Output is correct |
12 |
Correct |
41 ms |
1636 KB |
Output is correct |
13 |
Correct |
58 ms |
2004 KB |
Output is correct |
14 |
Correct |
37 ms |
1308 KB |
Output is correct |
15 |
Correct |
8 ms |
460 KB |
Output is correct |
16 |
Correct |
37 ms |
1340 KB |
Output is correct |
17 |
Correct |
100 ms |
3080 KB |
Output is correct |
18 |
Correct |
53 ms |
1824 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
0 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
332 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
26 ms |
1100 KB |
Output is correct |
35 |
Correct |
72 ms |
2816 KB |
Output is correct |
36 |
Correct |
80 ms |
3360 KB |
Output is correct |
37 |
Correct |
98 ms |
3012 KB |
Output is correct |
38 |
Correct |
110 ms |
3376 KB |
Output is correct |
39 |
Correct |
69 ms |
2712 KB |
Output is correct |
40 |
Correct |
1 ms |
332 KB |
Output is correct |
41 |
Correct |
39 ms |
1612 KB |
Output is correct |
42 |
Correct |
89 ms |
3092 KB |
Output is correct |
43 |
Correct |
8 ms |
588 KB |
Output is correct |
44 |
Correct |
46 ms |
2064 KB |
Output is correct |
45 |
Correct |
57 ms |
2412 KB |
Output is correct |
46 |
Correct |
78 ms |
3152 KB |
Output is correct |
47 |
Correct |
28 ms |
1224 KB |
Output is correct |
48 |
Correct |
3 ms |
332 KB |
Output is correct |
49 |
Correct |
113 ms |
2828 KB |
Output is correct |
50 |
Correct |
104 ms |
3204 KB |
Output is correct |
51 |
Correct |
107 ms |
2868 KB |
Output is correct |
52 |
Correct |
102 ms |
3104 KB |
Output is correct |
53 |
Correct |
109 ms |
3304 KB |
Output is correct |
54 |
Correct |
123 ms |
3140 KB |
Output is correct |
55 |
Correct |
89 ms |
3128 KB |
Output is correct |
56 |
Correct |
107 ms |
2920 KB |
Output is correct |
57 |
Correct |
90 ms |
2792 KB |
Output is correct |
58 |
Correct |
256 ms |
3128 KB |
Output is correct |
59 |
Correct |
298 ms |
3308 KB |
Output is correct |
60 |
Correct |
265 ms |
3068 KB |
Output is correct |
61 |
Correct |
278 ms |
3296 KB |
Output is correct |
62 |
Correct |
274 ms |
3020 KB |
Output is correct |
63 |
Correct |
288 ms |
3400 KB |
Output is correct |
64 |
Correct |
253 ms |
3056 KB |
Output is correct |
65 |
Correct |
0 ms |
204 KB |
Output is correct |
66 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
67 |
Halted |
0 ms |
0 KB |
- |