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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#87921#5107. Mosaic BrowsingzokerAC ✓175ms43912kbC++176.2kb2023-03-14 20:19:182023-03-14 20:19:21

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-14 20:19:21]
  • 评测
  • 测评结果:AC
  • 用时:175ms
  • 内存:43912kb
  • [2023-03-14 20:19:18]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt")

using ll = long long int;
using ull = unsigned long long int;
using vi = vector<ll>;
using ii = pair<ll,ll>;
using vii = vector<ii>;
using ld = long double;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<class T>
using ordered_set = tree < T, null_type, less<T>,
rb_tree_tag,
tree_order_statistics_node_update >;

#ifdef SA_DEBUG
template <class T>
void print(T a) {cerr << a << endl;}
template <class T, class... V> 
void print(T a, V... b) {cerr << a << ", "; print(b...);}
#define dbg(...) cerr << "[" << __LINE__ << "] " << #__VA_ARGS__ << " :: ", print(__VA_ARGS__)
#else
#define dbg(...) 7
#endif

#define eb emplace_back
#define fi first
#define se second

const ll INFL = 2e18;
const int INF = 1e9;
const double PI = acos(-1);
const ll mod = 1e9+7;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

template<class T, class V> 
ostream& operator << (ostream &s, pair<T, V> a){
	s << a.fi << ' ' << a.se; return s;
}

template<class T, class V> 
istream& operator >> (istream &s, pair<T, V> &a){
	s >> a.fi >> a.se; return s;
}

template<class T> 
ostream& operator << (ostream &s, vector<T> a){
	for(int i = 0; i < (int)a.size(); i++){
		if(i > 0)s << ' ' ; 
		s << a[i];
	} return s;
}

template<class T> 
istream& operator >> (istream &s, vector<T> &a){
	for(T &x : a)s >> x; 
	return s;
}

template<class T> 
void input(T a[], int l, int r, istream &s = cin){
	while(l <= r)s >> a[l++];
}

template<class T> 
void output(T a[], int l, int r, bool en = true, ostream &s = cout){
	while(l <= r){ s << a[l++];
		if(l <= r) s << ' ';
	} if(en)s << "\n";
}



const int N = 4e3+3, K = 101;
//====================================================================//

struct CD {
double x, y;
CD(double x=0, double y=0) :x(x), y(y) {}
CD operator+(const CD& o) {return {x+o.x, y+o.y};}
CD operator-(const CD& o) {return {x-o.x, y-o.y};}
CD operator*(const CD& o) {
         return {x*o.x-y*o.y, x*o.y+o.x*y};}
void operator /= (double d) { x/=d; y/=d;}
double real() {return x;}
double imag() {return y;}
};
CD conj(const CD &c) {return CD(c.x, -c.y);}
typedef long long LL; ;
namespace FFT {
int N;
vector<int> perm;
vector<CD> wp[2];

void precal(int n) {
  assert((n & (n-1)) == 0); N = n;
  perm = vector<int> (N, 0);
  for (int k=1; k<N; k<<=1) {
    for (int i=0; i<k; i++) {
      perm[i] <<= 1; perm[i+k] = 1 + perm[i];}
  }
  wp[0] = wp[1] = vector<CD>(N);
  for (int i=0; i<N; i++) {
    wp[0][i] = CD( cos(2*PI*i/N),  sin(2*PI*i/N));
    wp[1][i] = CD( cos(2*PI*i/N), -sin(2*PI*i/N));
  }
}
void fft(vector<CD> &v, bool invert = false) {
  if (v.size() != perm.size())  precal(v.size());
  for (int i=0; i<N; i++)
    if (i < perm[i])    swap(v[i], v[perm[i]]);

  for (int len = 2; len <= N; len *= 2) {
    for (int i=0, d = N/len; i<N; i+=len) {
      for (int j=0, idx=0; j<len/2; j++, idx+=d) {
        CD x = v[i+j];
        CD y = wp[invert][idx]*v[i+j+len/2];
        v[i+j] = x+y;
        v[i+j+len/2] = x-y;
      }
    }
  } if (invert) {
    for (int i=0; i<N; i++) v[i]/=N; }
}
void pairfft(vector<CD> &a, vector<CD> &b,
                            bool invert = false) {
  int N = a.size(); vector<CD> p(N);
  for (int i=0; i<N; i++) p[i]=a[i]+b[i]*CD(0, 1);
  fft(p, invert); p.push_back(p[0]);
  for (int i=0; i<N; i++) { if (invert) {
      a[i] = CD(p[i].real(), 0);
      b[i] = CD(p[i].imag(), 0);
    } else {
      a[i] = (p[i]+conj(p[N-i]))*CD(0.5, 0);
      b[i] = (p[i]-conj(p[N-i]))*CD(0, -0.5);
    }
  }
}
vector<LL> multiply(vector<LL> a, vector<LL> b) {
  int n = 1; while (n < a.size()+ b.size()) n<<=1;
  vector<CD> fa(a.begin(), a.end()), fb(b.begin(),
    b.end()); fa.resize(n); fb.resize(n);
  pairfft(fa, fb); //    fft(fa); fft(fb);
  for (int i=0; i<n; i++) fa[i] = fa[i] * fb[i];
  fft(fa, true);
  vector<LL> ans(n);
  for(int i=0;i<n;i++) ans[i]=round(fa[i].real());
  return ans;
}
vector<vector<CD>> multiply(vector<vector<CD>> a, vector<vector<CD>> b) {
  int n = 1; while (n < a.size()+ b.size()) n<<=1;
  int m = 1; while (m < a[0].size()+ b[0].size()) m<<=1;
  a.resize(n);
  b.resize(n);
  for(auto &x : a)x.resize(m);
  for(auto &x : b)x.resize(m);
  for(int i = 0; i < n; i++){
		fft(a[i]);
		fft(b[i]);
	}
	
  for(int i = 0; i < m; i++){
		vector<CD> temp(n);
		for(int j = 0; j < n; j++)temp[j] = a[j][i];
		fft(temp);
		for(int j = 0; j < n; j++)a[j][i] = temp[j], temp[j] = b[j][i];
		fft(temp);
		for(int j = 0; j < n; j++)b[j][i] = temp[j];
	}
	
	for(int i = 0; i < n; i++)for(int j = 0; j < m; j++)a[i][j] = a[i][j] * b[i][j];
	
  for(int i = 0; i < m; i++){
		vector<CD> temp(n);
		for(int j = 0; j < n; j++)temp[j] = a[j][i];
		fft(temp, true);
		for(int j = 0; j < n; j++)a[j][i] = temp[j];
	}
	
	for(int i = 0; i < n; i++){
		fft(a[i], true);
	}
	return a;
}


}

CD getCD(int x){
	if(x == 0)return CD(0, 0);
	return CD( cos(2*PI*x/K), -sin(2*PI*x/K));
}
void testcase(){
	int r1, c1, r2, c2;
	cin >> r1 >> c1;
	int cnt = 0;
	vector<vector<CD>> g1(r1, vector<CD>(c1));
	
	
	for(int i = 0; i < r1; i++){
		for(int j = 0; j < c1; j++){
			int x;
			cin >> x;
			cnt += (x == 0);
			g1[r1 - 1 - i][c1 - 1 - j] = getCD(x);
		}
	}
	
	cin >> r2 >> c2;
	vector<vector<CD>> g2(r2, vector<CD>(c2));
	for(int i = 0; i < r2; i++){
		for(int j = 0; j < c2; j++){
			int x;
			cin >> x;
			g2[i][j] = getCD(K - x);
		}
	}
	vii ans;
	const ld EPS = 1e-5;
	auto G = FFT::multiply(g1, g2);
	for(int i = r1 - 1; i < r2; i++){
		for(int j = c1 - 1; j < c2; j++){
			int u = round(G[i][j].real());
			if(abs(G[i][j].real() - u) > EPS)u = -1;
			u += cnt;
			if(u == r1 * c1)ans.eb(i - r1 + 2, j - c1 + 2);
		}
	}
	cout << ans.size() << "\n";
	for(auto x : ans)cout << x << "\n";
	
	
}





int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	int T = 1;
	//cin >> T;
	
	for(int qq = 1; qq <= T; ++qq){
		//cout << "Case #" << qq << ": ";
		testcase();
	}
	return 0;
}
/*
6 1597352862016328480
*/

詳細信息

Test #1:

score: 100
Accepted
time: 172ms
memory: 40268kb

input:

100 100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
...

output:

2005
1 1
1 101
1 201
1 301
1 401
2 1
2 101
2 201
2 301
2 401
3 1
3 101
3 201
3 301
3 401
4 1
4 101
4 201
4 301
4 401
5 1
5 101
5 201
5 301
5 401
6 1
6 101
6 201
6 301
6 401
7 1
7 101
7 201
7 301
7 401
8 1
8 101
8 201
8 301
8 401
9 1
9 101
9 201
9 301
9 401
10 1
10 101
10 201
10 301
10 401
11 1
11 10...

result:

ok 2006 lines

Test #2:

score: 0
Accepted
time: 145ms
memory: 40372kb

input:

250 100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
...

output:

1255
1 1
1 101
1 201
1 301
1 401
2 1
2 101
2 201
2 301
2 401
3 1
3 101
3 201
3 301
3 401
4 1
4 101
4 201
4 301
4 401
5 1
5 101
5 201
5 301
5 401
6 1
6 101
6 201
6 301
6 401
7 1
7 101
7 201
7 301
7 401
8 1
8 101
8 201
8 301
8 401
9 1
9 101
9 201
9 301
9 401
10 1
10 101
10 201
10 301
10 401
11 1
11 10...

result:

ok 1256 lines

Test #3:

score: 0
Accepted
time: 157ms
memory: 40832kb

input:

500 100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
...

output:

5
1 1
1 101
1 201
1 301
1 401

result:

ok 6 lines

Test #4:

score: 0
Accepted
time: 2ms
memory: 3604kb

input:

1 1
1
3 3
1 1 1
1 1 1
1 1 1

output:

9
1 1
1 2
1 3
2 1
2 2
2 3
3 1
3 2
3 3

result:

ok 10 lines

Test #5:

score: 0
Accepted
time: 2ms
memory: 3628kb

input:

1 1
2
2 4
1 1 2 2
1 3 2 3

output:

3
1 3
1 4
2 3

result:

ok 4 lines

Test #6:

score: 0
Accepted
time: 2ms
memory: 3596kb

input:

1 1
1
4 1
1
4
2
6

output:

1
1 1

result:

ok 2 lines

Test #7:

score: 0
Accepted
time: 0ms
memory: 3624kb

input:

1 1
1
3 3
1 1 1
1 1 1
1 1 1

output:

9
1 1
1 2
1 3
2 1
2 2
2 3
3 1
3 2
3 3

result:

ok 10 lines

Test #8:

score: 0
Accepted
time: 2ms
memory: 3488kb

input:

2 2
1 3
0 0
1 3
1 2 3

output:

0

result:

ok single line: '0'

Test #9:

score: 0
Accepted
time: 2ms
memory: 3548kb

input:

1 4
4 4 4 1
1 1
2

output:

0

result:

ok single line: '0'

Test #10:

score: 0
Accepted
time: 2ms
memory: 3632kb

input:

1 1
0
6 4
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1

output:

24
1 1
1 2
1 3
1 4
2 1
2 2
2 3
2 4
3 1
3 2
3 3
3 4
4 1
4 2
4 3
4 4
5 1
5 2
5 3
5 4
6 1
6 2
6 3
6 4

result:

ok 25 lines

Test #11:

score: 0
Accepted
time: 2ms
memory: 3600kb

input:

1 1
2
1 5
3 2 3 3 2

output:

2
1 2
1 5

result:

ok 3 lines

Test #12:

score: 0
Accepted
time: 2ms
memory: 3540kb

input:

1 1
3
2 8
7 2 6 3 7 2 5 3
1 5 3 4 1 3 3 6

output:

5
1 4
1 8
2 3
2 6
2 7

result:

ok 6 lines

Test #13:

score: 0
Accepted
time: 2ms
memory: 3628kb

input:

2 3
1 1 0
1 1 0
1 7
1 1 1 1 1 1 1

output:

0

result:

ok single line: '0'

Test #14:

score: 0
Accepted
time: 2ms
memory: 3684kb

input:

2 2
0 1
2 2
9 3
2 3 2
1 1 1
1 3 2
1 1 1
1 2 2
3 3 3
1 1 3
1 3 3
1 3 1

output:

1
4 2

result:

ok 2 lines

Test #15:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

1 1
2
4 3
5 6 5
3 2 4
1 2 4
7 3 5

output:

2
2 2
3 2

result:

ok 3 lines

Test #16:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

5 4
1 0 1 1
0 0 1 0
1 0 0 1
1 0 0 0
0 0 1 1
3 1
1
1
1

output:

0

result:

ok single line: '0'

Test #17:

score: 0
Accepted
time: 0ms
memory: 3636kb

input:

4 2
3 0
0 0
1 2
3 2
1 4
1 1 1 2

output:

0

result:

ok single line: '0'

Test #18:

score: 0
Accepted
time: 2ms
memory: 3616kb

input:

8 8
0 2 3 6 5 3 5 2
6 5 6 5 3 2 0 5
2 1 5 3 0 0 4 2
2 0 7 2 3 5 3 7
5 1 4 6 0 5 6 7
3 0 1 0 5 4 5 7
3 4 6 1 5 3 3 1
3 6 7 3 6 1 5 5
4 4
7 7 3 7
2 4 5 3
6 3 1 1
3 7 2 1

output:

0

result:

ok single line: '0'

Test #19:

score: 0
Accepted
time: 2ms
memory: 3436kb

input:

1 1
61
4 1
52
48
40
46

output:

0

result:

ok single line: '0'

Test #20:

score: 0
Accepted
time: 5ms
memory: 4016kb

input:

1 1
1
95 86
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

8170
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok 8171 lines

Test #21:

score: 0
Accepted
time: 1ms
memory: 3700kb

input:

1 1
2
6 96
3 2 1 2 1 1 3 2 1 2 2 3 1 3 3 3 3 2 2 1 1 2 2 3 2 1 1 2 2 1 1 3 1 3 1 3 2 3 3 1 3 2 3 3 3 3 3 1 1 1 2 2 3 2 3 3 3 1 3 3 2 1 1 1 1 2 2 2 1 2 2 3 2 1 3 2 1 3 3 3 3 2 3 1 1 3 2 2 2 2 1 2 2 2 1 1
1 2 3 2 2 3 2 2 3 1 2 2 3 3 2 3 2 1 1 1 3 1 3 3 3 2 3 2 3 3 3 3 1 1 3 2 2 1 3 1 1 3 1 1 3 2 1 3 3...

output:

191
1 2
1 4
1 8
1 10
1 11
1 18
1 19
1 22
1 23
1 25
1 28
1 29
1 37
1 42
1 51
1 52
1 54
1 61
1 66
1 67
1 68
1 70
1 71
1 73
1 76
1 82
1 87
1 88
1 89
1 90
1 92
1 93
1 94
2 2
2 4
2 5
2 7
2 8
2 11
2 12
2 15
2 17
2 26
2 28
2 36
2 37
2 46
2 54
2 60
2 61
2 62
2 64
2 66
2 70
2 75
2 76
2 80
2 81
2 84
2 86
2 87...

result:

ok 192 lines

Test #22:

score: 0
Accepted
time: 0ms
memory: 3756kb

input:

1 1
6
80 23
5 3 7 7 4 5 3 3 7 6 3 3 6 1 4 6 5 7 2 6 2 5 6
2 1 4 5 1 6 6 2 1 1 5 1 1 3 5 6 5 7 4 7 4 4 2
7 1 5 1 2 1 1 4 3 3 4 3 2 1 6 1 1 6 7 5 4 7 1
7 4 6 3 7 7 2 5 1 7 5 3 4 3 6 2 2 2 3 3 1 2 5
7 7 4 5 7 7 5 1 2 2 6 6 4 6 1 2 4 1 5 6 1 7 4
3 1 3 2 5 3 1 7 2 6 4 2 2 6 5 4 2 1 5 1 3 6 7
1 3 6 7 4 4 ...

output:

277
1 10
1 13
1 16
1 20
1 23
2 6
2 7
2 16
3 15
3 18
4 3
4 15
5 11
5 12
5 14
5 20
6 10
6 14
6 22
7 3
7 8
7 12
7 14
7 16
8 13
8 23
9 1
9 3
9 14
9 21
10 3
10 12
10 14
10 15
10 21
11 1
11 5
11 9
11 13
11 20
12 9
12 18
13 7
13 8
13 12
13 18
13 19
13 21
14 16
14 19
15 5
15 14
17 2
17 12
17 19
17 23
18 4
1...

result:

ok 278 lines

Test #23:

score: 0
Accepted
time: 2ms
memory: 3620kb

input:

1 3
94 82 89
4 2
32 23
91 15
19 42
54 45

output:

0

result:

ok single line: '0'

Test #24:

score: 0
Accepted
time: 4ms
memory: 3964kb

input:

1 4
0 0 1 0
65 88
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

5525
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok 5526 lines

Test #25:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

1 3
2 0 3
1 30
3 3 2 2 3 1 3 2 2 3 2 3 2 3 1 1 2 2 2 3 3 1 3 3 1 1 1 1 1 2

output:

4
1 3
1 8
1 18
1 19

result:

ok 5 lines

Test #26:

score: 0
Accepted
time: 4ms
memory: 4028kb

input:

3 2
7 5
4 1
4 7
64 67
7 5 7 3 2 6 4 5 1 6 7 7 2 6 5 2 4 7 6 4 5 3 2 5 5 4 7 2 6 5 1 3 6 2 7 2 6 5 1 3 3 2 1 4 4 1 2 7 2 3 5 5 6 1 6 6 6 4 1 3 2 6 3 5 3 3 1
4 1 5 3 6 4 6 6 4 5 7 2 4 1 3 2 1 7 2 1 5 6 4 4 4 5 6 1 2 2 7 7 1 6 3 4 3 4 4 7 5 7 7 1 1 7 1 3 7 5 5 3 1 1 2 1 6 5 7 2 1 4 5 7 7 1 6
7 5 3 7 4 ...

output:

0

result:

ok single line: '0'

Test #27:

score: 0
Accepted
time: 2ms
memory: 3592kb

input:

3 5
0 0 1 1 1
0 1 0 0 0
1 1 0 1 0
6 7
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1 1

output:

12
1 1
1 2
1 3
2 1
2 2
2 3
3 1
3 2
3 3
4 1
4 2
4 3

result:

ok 13 lines

Test #28:

score: 0
Accepted
time: 0ms
memory: 3548kb

input:

6 1
3
0
1
3
0
2
6 2
2 3
3 2
2 3
3 3
3 3
1 3

output:

0

result:

ok single line: '0'

Test #29:

score: 0
Accepted
time: 2ms
memory: 3488kb

input:

1 8
7 3 3 7 7 5 7 1
2 2
3 7
2 1

output:

0

result:

ok single line: '0'

Test #30:

score: 0
Accepted
time: 2ms
memory: 3436kb

input:

1 1
48
4 8
74 75 78 99 58 26 87 45
82 29 80 61 15 66 58 15
55 44 92 11 71 50 95 36
36 7 45 91 83 16 49 87

output:

0

result:

ok single line: '0'

Test #31:

score: 0
Accepted
time: 0ms
memory: 3644kb

input:

1 2
99 39
9 8
75 76 86 25 25 64 90 78
71 58 5 18 93 14 47 92
68 9 5 97 52 33 99 48
68 74 82 67 34 58 81 75
53 9 30 47 49 42 5 11
84 2 44 86 30 81 83 9
27 88 19 17 99 47 23 40
58 95 1 3 79 99 77 45
76 19 37 12 91 96 77 3

output:

0

result:

ok single line: '0'

Test #32:

score: 0
Accepted
time: 2ms
memory: 3656kb

input:

1 7
68 51 66 68 68 26 96
1 4
51 25 71 18

output:

0

result:

ok single line: '0'

Test #33:

score: 0
Accepted
time: 5ms
memory: 4020kb

input:

5 5
1 1 1 0 0
0 1 1 0 1
1 1 1 1 0
1 0 0 0 0
1 0 1 1 1
94 95
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

8190
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

result:

ok 8191 lines

Test #34:

score: 0
Accepted
time: 2ms
memory: 3692kb

input:

2 1
1
3
20 27
3 3 1 2 1 1 2 1 2 2 3 1 2 2 3 2 3 3 2 2 2 1 3 3 3 3 1
2 1 2 2 3 1 1 2 3 2 2 2 3 1 2 1 1 1 3 3 1 2 2 3 1 2 2
1 2 2 1 2 3 2 3 2 2 2 2 1 1 1 3 2 1 2 3 1 2 3 1 2 3 3
1 2 3 3 3 3 1 1 1 2 1 1 3 2 2 1 2 2 2 2 2 2 1 1 1 1 3
2 1 1 2 1 3 3 3 3 1 3 1 3 1 3 3 1 3 2 2 3 3 2 1 1 1 1
1 1 2 3 1 1 2 2 ...

output:

53
1 5
2 6
2 16
3 4
3 13
4 7
4 8
4 9
4 11
4 16
5 10
5 14
6 5
6 9
6 18
6 24
7 1
7 2
7 19
8 3
8 11
9 17
9 19
10 6
10 7
10 24
10 26
11 15
12 7
12 20
12 21
12 23
13 14
13 17
14 3
14 12
14 16
14 23
15 9
15 10
16 8
16 13
16 17
17 4
17 11
17 18
17 25
18 2
18 19
18 20
19 3
19 18
19 24

result:

ok 54 lines

Test #35:

score: 0
Accepted
time: 3ms
memory: 3784kb

input:

3 9
7 5 4 2 1 3 3 5 5
1 4 3 1 7 5 5 1 3
2 0 2 1 1 4 6 7 6
41 80
7 7 1 4 2 6 1 7 7 6 2 5 2 3 6 7 5 7 2 3 2 3 6 6 5 5 1 1 1 4 7 1 2 7 5 5 7 3 1 4 4 2 3 6 4 1 1 3 7 2 4 1 7 2 1 1 6 6 6 6 6 2 4 1 2 4 5 6 4 3 3 3 4 3 6 7 5 7 5 1
6 4 7 1 2 5 4 5 4 5 3 4 2 3 4 2 4 1 6 2 2 6 5 6 6 6 6 5 7 2 4 4 5 3 5 2 3 5 ...

output:

0

result:

ok single line: '0'

Test #36:

score: 0
Accepted
time: 2ms
memory: 3488kb

input:

1 1
99
27 18
57 43 97 16 60 6 4 21 17 94 49 51 22 17 79 36 33 27
75 19 92 33 2 14 37 55 94 57 73 77 78 1 5 24 59 15
56 16 33 93 90 40 62 11 61 50 17 91 92 46 52 12 74 3
42 17 19 58 59 9 27 14 3 72 75 33 23 99 54 57 71 40
26 13 17 59 45 3 50 92 1 62 88 82 60 9 13 96 52 35
69 84 44 48 21 22 5 92 25 87...

output:

3
4 14
8 2
20 12

result:

ok 4 lines

Test #37:

score: 0
Accepted
time: 2ms
memory: 3868kb

input:

3 2
27 0
79 43
54 33
98 77
54 63 1 12 92 2 15 42 69 46 7 26 84 26 48 30 61 22 31 43 80 99 19 60 31 3 61 9 32 33 56 63 10 38 71 80 43 4 91 52 14 99 87 51 88 66 75 91 95 95 38 92 16 11 29 36 70 92 42 75 23 41 36 32 80 38 4 89 75 61 89 54 47 68 74 22 71
34 11 94 94 42 21 86 79 43 34 43 8 64 14 79 47 93...

output:

0

result:

ok single line: '0'

Test #38:

score: 0
Accepted
time: 2ms
memory: 3624kb

input:

4 3
95 37 42
65 85 10
95 70 41
34 53 50
3 8
53 48 45 44 65 15 33 28
59 9 47 75 6 49 16 38
38 58 87 24 11 64 73 11

output:

0

result:

ok single line: '0'

Test #39:

score: 0
Accepted
time: 3ms
memory: 3888kb

input:

8 6
67 89 13 10 95 5
74 12 75 73 12 81
65 54 20 61 3 5
45 93 13 88 30 54
84 40 22 15 5 18
67 13 67 41 70 32
49 60 3 78 71 79
64 91 14 22 97 47
88 48
10 13 33 90 93 45 89 71 10 17 18 11 11 43 53 24 81 35 17 13 68 61 68 62 60 32 91 43 50 71 87 39 23 10 44 64 56 48 85 57 55 33 12 32 6 68 3 94
41 97 5 8...

output:

0

result:

ok single line: '0'

Test #40:

score: 0
Accepted
time: 155ms
memory: 40452kb

input:

100 100
0 0 1 1 1 0 0 0 1 0 0 0 0 1 0 1 1 1 1 0 0 0 1 0 1 1 1 0 0 0 1 1 1 0 1 1 1 1 1 0 1 1 0 1 1 0 0 0 1 1 0 0 1 0 1 1 0 0 0 1 0 1 1 1 1 1 0 0 0 0 1 1 0 1 1 1 0 0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 0 1 0 1 0 0 1 0
0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 1 0 0 1 0 1 0 0 1 0 1 1 1 1 0 0 0 0 1 ...

output:

160801
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 ...

result:

ok 160802 lines

Test #41:

score: 0
Accepted
time: 161ms
memory: 41184kb

input:

250 250
1 0 1 0 0 1 1 0 1 0 1 1 0 0 1 0 0 1 0 0 0 1 1 0 1 1 0 1 1 0 0 1 1 0 0 1 1 1 0 1 1 0 0 1 1 1 1 1 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 1 1 0 1 1 1 0 0 0 1 0 0 0 0 1 1 0 1 0 1 1 1 1 1 1 1 0 1 1 1 0 0 1 0 0 1 0 1 0 0 0 1 1 0 0 0 1 0 0 1 0 1 0 1 0 1 0 1 0 1 1 1 1 0 0 1 0 0 0 0 0 ...

output:

63001
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 6...

result:

ok 63002 lines

Test #42:

score: 0
Accepted
time: 175ms
memory: 43912kb

input:

500 500
0 0 0 1 0 1 1 0 0 0 0 1 0 0 1 0 0 1 1 0 0 0 1 0 1 1 0 1 0 1 1 1 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 1 0 1 1 1 1 1 0 1 1 0 1 1 0 0 0 0 0 0 0 0 0 1 1 0 0 1 1 1 1 1 0 1 1 0 0 0 0 0 1 0 1 1 1 0 0 0 1 1 0 0 0 0 1 0 0 1 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 0 1 1 0 1 1 0 0 0 1 0 1 0 1 0 1 1 1 ...

output:

1
1 1

result:

ok 2 lines

Extra Test:

score: 0
Extra Test Passed