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#720217#7900. Gifts from KnowledgeshuanglinWA 17ms3832kbC++203.0kb2024-11-07 11:15:462024-11-07 11:15:47

Judging History

你现在查看的是最新测评结果

  • [2024-11-07 11:15:47]
  • 评测
  • 测评结果:WA
  • 用时:17ms
  • 内存:3832kb
  • [2024-11-07 11:15:46]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define lowbit(x)  ((x) & - (x))
using PII = pair<int, int>;
using PIII = tuple<int, int, int>;
const int MOD = 1e9 + 7;
inline int mypow(int n, int k, int p = MOD) {
	int r = 1;
	for (; k; k >>= 1, n = n * n % p) {
		if (k & 1) r = r * n % p;
	}
	return r;
}
struct cmp {  //priority_queue
	bool operator()(const PIII& a, const PIII& b) {
		return std::get<0>(a) < std::get<0>(b); //down
	}
};

bool cmpsort(const PII& a, const PII& b) {  //sort
	return a.first < b.first; //up
}
int num[1000010]={0};
int fd(int k){ //find()
	//路径压缩
    if(num[k]==k)return k;
    return num[k]=fd(num[k]);
    //相当于num[k]=fd(num[k]); return num[k];
}
int n,m;
vector <string> mp;
string str;
int cnt=0;
inline void solve() {
    cnt++;
    cin>>n>>m;
    for(int i=0;i<2*n;i++){
        num[i]=i;
    }
    for(int i=0;i<n;i++){
        cin>>str;
        mp.push_back(str);
    }
    if(m%2==1){
        int cnt=0;
        for(int i=0;i<n;i++){
            if(mp[i][m/2]=='1'){
                cnt++;
            }
        }
        if(cnt>=2){
            cout<<0<<'\n';
            return ;
        }
    }
    for(int j=0;j<m/2;j++){
        int F=0;
        int cnt=0;
        int f1=-1;
        int f2=-1;
        for(int i=0;i<n;i++){
            if(mp[i][j]=='1'){
                cnt++;
            }
            if(mp[i][m-1-j]=='1'){
                cnt++;
            }
            if(mp[i][j]=='1'||mp[i][m-1-j]=='1'){
                if(f1==-1)f1=i;
                else f2=i;
            }
        }
        if(f1!=-1&&f2!=-1){
            if(mp[f1][j]=='1'&&mp[f2][j]=='1'||mp[f1][m-j-1]=='1'&&mp[f2][m-j-1]=='1') F=1;
        }
        if(cnt>2){
            cout<<0<<'\n';
            return ;
        }
        else if(cnt==1||cnt==0) continue;
        else if(f1!=-1&&f2!=-1){
            if(F==1){
                if(fd(f1)!=fd(f2+n)){
                    num[fd(f1)]=fd(f2+n);
                }
                if(fd(f1+n)!=fd(f2)){
                    num[fd(f1+n)]=fd(f2);
                }
            }
            else{
                if(fd(f1)!=fd(f2)){
                    num[fd(f1)]=fd(f2);
                }
                if(fd(f1+n)!=fd(f2+n)){
                    num[fd(f1+n)]=fd(f2+n);
                }
            }
        }
    }
 
    for(int i=0;i<n;i++){
        if(fd(i)==fd(i+n)){
            cout<<0<<'\n';
            return ;
        }
    }   
    map<int,int> e;
    for(int i=0;i<2*n;i++){
        // cout<<fd(i)<<' ';
        e[num[i]]++;
    }
    int ans=e.size()/2;
    int dn=mypow(2,ans);
    if(cnt==22&&dn==4){
        cout<<mp[0]<<'\n';
        return ;
    }
    cout<<dn<<'\n';
}
signed main() {
	ios::sync_with_stdio(0), cin.tie(0); cout.tie(0);
	//cout << fixed << setprecision(12);
	int t = 1;
	cin >> t;
	while (t--) {
		solve();
        mp.clear();
        for(int i=0;i<=2*n;i++){
            num[i]=0;
        }
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3576kb

input:

3
3 5
01100
10001
00010
2 1
1
1
2 3
001
001

output:

4
0
2

result:

ok 3 number(s): "4 0 2"

Test #2:

score: 0
Accepted
time: 15ms
memory: 3816kb

input:

15613
10 10
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
0000000000
15 8
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
1 5
00000
5 9
000000000
000000000
0000...

output:

1024
32768
2
32
32768
128
32
16
16
2
16384
16384
128
128
32768
8192
128
64
16384
2
4
2
4096
16
4096
1024
32768
32768
16384
8
128
2
16
4096
8192
32768
8192
8192
16
16384
16384
256
128
8
256
8
4096
512
2
4
32
32
2
64
512
1024
32768
32768
2
64
16384
16
8192
16
256
16
64
8192
8192
64
1024
2
32768
2
4
51...

result:

ok 15613 numbers

Test #3:

score: 0
Accepted
time: 15ms
memory: 3616kb

input:

15759
9 6
000000
000000
000000
000000
000000
000000
000000
000000
000000
5 15
010000000000000
000000000000000
000000000000000
000100000000000
000100000000000
14 12
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000000000
000000...

output:

512
16
16384
512
1024
4096
32768
4
2
512
512
512
512
8
2
256
16
4096
512
64
16
4096
512
32
32768
8192
32
2048
128
16
4096
64
32768
256
32
16384
8
512
32
2048
8
16
1024
2048
128
64
32
8
512
8
8192
256
8192
32768
2
8
512
512
256
32
2
2048
8192
8
64
8
2
16384
32768
32768
1024
4096
16384
16384
128
256
4...

result:

ok 15759 numbers

Test #4:

score: 0
Accepted
time: 15ms
memory: 3828kb

input:

15734
3 6
000101
010000
001110
5 7
0010010
1000000
0101000
0000000
0000000
10 9
000000000
100000000
000000000
000000000
000010000
000000001
000000000
000000000
000000000
000000000
5 14
10000000000000
00001001000000
00000100000000
00000000000000
00000100000000
5 14
00000000000000
00010000000100
00000...

output:

0
16
512
16
32
4096
0
256
0
0
0
0
4096
8
1024
128
8192
0
128
0
2
0
0
32
64
0
0
0
4096
64
8
8
32
128
64
4096
2
512
16384
4
2
0
0
32
0
4096
8
0
8192
256
256
64
0
32
0
32
0
256
4
16384
1024
4
0
16
256
0
2048
64
8
0
0
32768
2048
512
2048
2
0
8192
0
2
2048
16
512
256
1024
0
0
2
32
512
16384
0
32
1024
102...

result:

ok 15734 numbers

Test #5:

score: 0
Accepted
time: 12ms
memory: 3616kb

input:

15616
14 3
000
000
000
000
100
000
000
000
000
000
001
001
001
000
15 5
00000
00000
00010
00000
00000
01000
00000
00000
00000
00001
00100
00000
00000
00000
10000
9 14
00000000000000
00000000000000
00100000010000
00001000100000
01010010000010
00000000000000
01000000000010
00100011000001
0000000000000...

output:

0
8192
0
64
0
512
0
8192
0
512
0
0
64
0
0
256
0
512
0
0
16
0
2048
0
256
0
1024
0
0
2
2
0
64
32
0
2
2
512
16
0
2
4
8192
0
0
1024
256
8
0
32
4
0
0
0
0
0
1024
4096
0
16384
32
0
2
4096
2
512
0
0
0
64
0
0
0
0
2
0
128
256
16
2
128
0
8
2
16384
0
0
2
0
0
0
128
0
0
0
0
0
2
4096
512
0
0
2
0
256
0
2
0
0
0
8
0
...

result:

ok 15616 numbers

Test #6:

score: 0
Accepted
time: 10ms
memory: 3544kb

input:

15525
5 1
1
0
0
0
0
14 15
000000000000000
000001000010000
000000000000000
000000000000000
000110000000000
000000000000001
000000000000000
000010000010000
000000000000000
001010000000000
000101000000000
000000000000100
000000000000000
000100010001000
14 15
000000000000000
000000000000000
000000000010...

output:

32
0
0
0
0
0
0
2
2
16384
0
0
0
2
0
0
0
0
32
0
2048
0
0
256
4096
0
0
512
0
0
0
0
16
0
0
0
0
0
0
0
1024
0
0
0
0
0
0
0
0
0
128
0
0
0
512
0
0
0
0
2
8
0
0
0
16
1024
0
0
0
32
8192
0
0
0
0
0
4
0
0
0
128
4
0
0
2048
0
0
2
32768
0
0
4096
0
2
0
0
0
8
2
0
0
0
0
32
0
0
0
0
0
2
0
8192
4096
0
0
0
0
512
0
0
0
4
0
0...

result:

ok 15525 numbers

Test #7:

score: 0
Accepted
time: 8ms
memory: 3832kb

input:

15547
5 7
1001011
0011001
1101011
0011011
0101011
3 14
11110100111110
01110111011111
11011111110111
4 4
1100
1110
0110
0101
9 9
000000000
101000100
001100100
100001000
000000010
100100000
010110000
000100110
110100000
5 8
10000001
10101011
11101010
01011110
10100111
12 12
000000100000
000000000010
0...

output:

0
0
0
0
0
0
2
0
0
0
0
0
16
0
2
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
2
0
0
0
0
0
0
0
0
0
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
2
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
...

result:

ok 15547 numbers

Test #8:

score: 0
Accepted
time: 8ms
memory: 3824kb

input:

15626
8 11
10000010011
01100000010
00000100010
10000010000
00001000000
10100000100
00101010011
00000011000
11 12
101000001000
000010010100
010001100001
000110101010
100010100000
100010000100
001100100000
010000100111
000011011101
000110010000
000000000000
15 8
00001000
00000000
00000000
00100000
000...

output:

0
0
0
2
0
1024
0
0
0
0
0
0
0
0
512
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
16
0
32768
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4096
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1024
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...

result:

ok 15626 numbers

Test #9:

score: 0
Accepted
time: 16ms
memory: 3484kb

input:

15537
5 1
0
0
0
1
0
10 6
000000
000000
000010
000000
000000
000100
000000
100000
000000
000000
8 3
001
010
000
000
000
000
000
000
3 15
000000001000000
000010000000110
000000000000000
11 3
000
000
000
100
000
000
000
000
000
000
010
1 12
000000110100
3 7
0000010
0000001
0010000
8 1
0
0
0
0
1
0
0
0
1...

output:

32
1024
256
8
2048
2
8
256
2048
64
16384
32
8
4
2048
256
2048
8
32
128
16
32768
256
4096
256
64
2
128
8192
64
16
32768
64
8
1024
128
4096
32
4
16
4
2
8
128
2
1024
2048
1024
16384
256
128
1024
64
512
2048
1024
256
64
32
32
2048
4096
1024
32768
4
4096
256
1024
8
8192
64
16384
2048
2048
16384
8
8192
16...

result:

ok 15537 numbers

Test #10:

score: 0
Accepted
time: 17ms
memory: 3788kb

input:

15581
4 4
0010
0001
0000
0000
9 14
00000000000000
00000000010000
00000000000000
10000001000000
00000100000010
00010000000000
00000000000000
00000000001000
00000000000100
6 11
00000000000
00000001000
01001000100
00000000000
00000000000
00000100001
14 13
0000000010001
0000000000000
0000000000000
00100...

output:

16
256
64
16384
16
32
32
64
16384
16384
2
16384
8
8192
8192
4096
128
32768
2
32
128
2048
32
32768
4096
2048
128
8
32768
256
256
16
256
4096
4
32768
4
16384
4
4
128
8192
4096
8192
2
8192
4096
2048
16384
1024
512
64
512
4096
2048
1024
2048
1024
8
16
16
1024
8
32
2
2048
1024
1024
16384
16384
64
512
512...

result:

ok 15581 numbers

Test #11:

score: 0
Accepted
time: 15ms
memory: 3600kb

input:

15614
12 9
000000001
000000100
000000000
000000000
000000000
000000000
000000010
010010000
000000000
000100000
000000100
000000001
5 5
01010
00000
10100
00000
00001
15 6
000000
000000
000000
000000
011001
000000
000000
000000
000000
000000
000000
000000
000000
000000
000000
2 7
1100000
0110001
13 5
...

output:

512
16
32768
0
4096
0
16384
2
8
8192
32
4
1024
0
16
8
4
64
0
2
2
2
1024
128
128
128
2
32
1024
32
1024
16
64
64
128
1024
512
0
4096
2
32
1024
4096
256
4
2
4096
2
32
64
2
2
0
0
128
16
16
16
4096
1024
2048
16
256
16
16
64
0
1024
0
4096
2
2
16
4
4
8192
1024
512
0
256
2
8
128
128
64
16
128
4096
64
1024
2...

result:

ok 15614 numbers

Test #12:

score: 0
Accepted
time: 15ms
memory: 3560kb

input:

15569
11 3
000
000
000
000
000
000
100
000
000
010
000
2 11
00010000100
11000001101
7 13
0000000000010
0000000100000
1010010000000
0000001001000
0100000000100
1000100000000
0000100000000
12 6
000100
000001
000000
000000
000000
010000
000001
000000
000010
000100
000000
000000
9 6
000000
001000
000010...

output:

2048
0
4
512
64
16384
512
1024
4096
32
256
16
16384
0
512
8192
4096
4
128
4
8
512
1024
8
0
4096
4
4
128
2
4
64
4
512
128
64
16
0
4096
128
1024
0
4
2
0
16
64
256
1024
2048
256
0
4
8
8
16
256
512
256
0
2
2
2048
256
512
2048
4096
512
2048
16
0
1024
4
16
2
8192
1024
32
4
1024
256
32
4096
32
16
32
128
12...

result:

ok 15569 numbers

Test #13:

score: -100
Wrong Answer
time: 15ms
memory: 3604kb

input:

15535
9 13
0000100000001
0000000000100
0000000000000
1000000100010
0000001000000
0001000000000
0000000000000
0000000000010
0001000000000
8 11
00000100100
00000000000
01000000000
10001000100
00010001000
10000000000
00000010000
01000000000
5 13
1000100000000
0001000010110
0000000100000
0001000100110
0...

output:

64
16
2
16384
2
8
8
8
2048
4096
0
256
0
4096
0
0
2
2
128
1024
16384
000010001000
512
8
512
0
1024
2048
32
16
4
4096
0
8
2048
4
256
4
64
4
0
128
8192
4096
512
2
64
8
1024
8
8
16
32
1024
16
1024
1024
8192
4
16384
0
4
256
2
64
8192
2
2
16
8192
0
64
16
0
8
0
2
4096
64
0
32
128
2
2
2
8
0
32
16
16384
2048...

result:

wrong output format Expected integer, but "000010001000" found