QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#637069	#2921. Land Equality	enze114514^#	AC ✓	0ms	3712kb	C++20	779b	2024-10-13 07:40:09	2024-10-13 07:40:10

Judging History

你现在查看的是最新测评结果

[2024-10-13 07:40:10]
评测

测评结果：AC
用时：0ms
内存：3712kb

查看

[2024-10-13 07:40:09]
提交

answer

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

const int N = 25;

int n, m, zero, one, two;
int a[75 * 75];

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    cin >> n >> m;
    for (int i = 0; i < n * m; ++i){
            cin >> a[i];
            if (a[i] == 0) ++zero;
            if (a[i] == 1) ++one;
            if (a[i] == 2) ++two;
        }

    if (zero >= 2) {
        cout << "0\n";
        return 0;
    }

    if (zero == 1) {
        if (a[0] == 1 || a[n * m - 1] == 1 || min(n, m) > 1) cout << "1\n";
        else cout << "2\n";
        return 0;
    }

    if (two % 2 == 1) {
        int k = two / 2;
        cout << (1ull << k) << '\n';
    } else {
        cout << "0\n";
    }
    return 0;
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 0ms

memory: 3600kb

input:

1 2
0 1

output:

result:

ok single line: '1'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3644kb

input:

1 2
0 2

output:

result:

ok single line: '2'

Test #3:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

1 2
1 2

output:

result:

ok single line: '1'

Test #4:

score: 0

Accepted

time: 0ms

memory: 3664kb

input:

2 1
1
1

output:

result:

ok single line: '0'

Test #5:

score: 0

Accepted

time: 0ms

memory: 3644kb

input:

2 1
0
0

output:

result:

ok single line: '0'

Test #6:

score: 0

Accepted

time: 0ms

memory: 3640kb

input:

output:

result:

ok single line: '0'

Test #7:

score: 0

Accepted

time: 0ms

memory: 3652kb

input:

output:

result:

ok single line: '512'

Test #8:

score: 0

Accepted

time: 0ms

memory: 3660kb

input:

2 3
0 1 2
1 1 2

output:

result:

ok single line: '1'

Test #9:

score: 0

Accepted

time: 0ms

memory: 3672kb

input:

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

output:

result:

ok single line: '1'

Test #10:

score: 0

Accepted

time: 0ms

memory: 3648kb

input:

output:

result:

ok single line: '1'

Test #11:

score: 0

Accepted

time: 0ms

memory: 3712kb

input:

1 3
0 1 2

output:

result:

ok single line: '2'

Test #12:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

1 6
2 1 2 0 1 2

output:

result:

ok single line: '2'

Test #13:

score: 0

Accepted

time: 0ms

memory: 3544kb

input:

output:

result:

ok single line: '2'

Test #14:

score: 0

Accepted

time: 0ms

memory: 3648kb

input:

1 5
0 1 1 1 2

output:

result:

ok single line: '2'

Test #15:

score: 0

Accepted

time: 0ms

memory: 3588kb

input:

1 6
2 1 2 0 2 1

output:

result:

ok single line: '1'

Test #16:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

1 6
1 1 2 0 1 2

output:

result:

ok single line: '1'

Test #17:

score: 0

Accepted

time: 0ms

memory: 3636kb

input:

output:

result:

ok single line: '1'

Test #18:

score: 0

Accepted

time: 0ms

memory: 3704kb

input:

1 10
2 1 1 1 0 0 1 1 1 2

output:

result:

ok single line: '0'

Test #19:

score: 0

Accepted

time: 0ms

memory: 3636kb

input:

1 10
1 2 0 2 2 2 2 0 2 1

output:

result:

ok single line: '0'

Test #20:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

1 10
0 1 1 1 2 2 1 1 1 0

output:

result:

ok single line: '0'

Test #21:

score: 0

Accepted

time: 0ms

memory: 3644kb

input:

8 8
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 1 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2

output:

2147483648

result:

ok single line: '2147483648'

Test #22:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

8 8
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 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

output:

result:

ok single line: '0'

Test #23:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

8 8
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1 1
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:

result:

ok single line: '0'

Test #24:

score: 0

Accepted

time: 0ms

memory: 3644kb

input:

8 8
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2

output:

result:

ok single line: '0'

Test #25:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

7 9
2 2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2
2 2 2 2 2 2 2 2 2

output:

2147483648

result:

ok single line: '2147483648'

Test #26:

score: 0

Accepted

time: 0ms

memory: 3652kb

input:

output:

result:

ok single line: '0'

Test #27:

score: 0

Accepted

time: 0ms

memory: 3576kb

input:

1 61
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2

output:

1073741824

result:

ok single line: '1073741824'

Test #28:

score: 0

Accepted

time: 0ms

memory: 3608kb

input:

8 8
1 0 0 1 1 1 1 0
1 1 1 0 1 1 0 0
1 1 0 1 0 1 1 0
0 1 1 1 0 1 1 1
1 1 1 1 0 0 1 1
1 0 0 1 1 0 1 1
1 0 0 0 1 1 0 1
1 0 0 0 1 1 1 0

output:

result:

ok single line: '0'

Test #29:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

6 10
0 0 0 1 0 1 1 0 0 0
0 1 0 1 0 0 0 0 1 1
0 1 0 0 1 1 0 0 1 0
0 1 0 0 0 1 1 0 0 1
0 1 0 1 0 0 1 0 1 1
1 0 0 1 1 0 1 0 0 0

output:

result:

ok single line: '0'

Test #30:

score: 0

Accepted

time: 0ms

memory: 3672kb

input:

8 8
2 0 2 2 2 2 2 2
0 2 0 0 0 2 2 2
0 2 2 0 2 2 0 0
0 2 2 2 0 2 0 2
2 2 0 2 0 0 2 0
0 2 0 2 2 0 2 2
0 2 0 0 2 0 2 2
2 2 2 0 0 0 2 2

output:

result:

ok single line: '0'

Test #31:

score: 0

Accepted

time: 0ms

memory: 3592kb

input:

10 6
2 0 2 2 0 2
0 0 2 2 0 2
2 2 0 2 0 2
2 2 2 0 2 0
0 0 2 0 0 2
2 2 2 0 2 2
2 0 0 0 2 0
2 2 0 2 0 0
0 2 2 2 0 0
0 0 0 2 2 0

output:

result:

ok single line: '0'

Test #32:

score: 0

Accepted

time: 0ms

memory: 3632kb

input:

8 8
1 1 2 1 2 1 1 1
1 2 1 1 2 2 1 1
2 2 1 2 1 2 2 1
1 1 2 2 1 1 1 2
1 2 1 1 2 1 1 1
1 1 1 2 2 1 2 1
1 2 2 1 2 1 2 1
1 2 2 2 2 2 1 1

output:

result:

ok single line: '8192'

Test #33:

score: 0

Accepted

time: 0ms

memory: 3636kb

input:

7 9
2 2 2 2 1 1 1 1 1
1 2 2 2 1 1 2 2 1
1 1 2 1 1 2 2 2 2
2 1 1 1 2 2 2 1 2
2 1 1 1 1 1 2 1 1
2 2 2 2 1 2 2 1 2
2 2 2 2 1 1 1 2 1

output:

result:

ok single line: '65536'

Test #34:

score: 0

Accepted

time: 0ms

memory: 3708kb

input:

9 7
2 1 1 1 2 1 2
2 2 1 2 2 1 2
2 1 1 2 1 1 2
1 2 2 2 2 1 2
1 1 1 1 2 2 2
1 2 1 2 2 2 2
1 1 1 1 1 1 1
2 2 2 2 2 2 2
1 2 1 1 2 1 1

output:

result:

ok single line: '65536'

Test #35:

score: 0

Accepted

time: 0ms

memory: 3640kb

input:

8 8
2 1 0 0 2 1 2 2
1 0 0 1 1 0 2 0
1 0 1 2 0 1 0 2
1 2 1 2 1 2 1 2
0 0 1 2 1 0 0 2
0 0 2 1 2 0 2 1
2 1 1 1 1 0 2 0
0 0 1 2 0 1 1 0

output:

result:

ok single line: '0'

Test #36:

score: 0

Accepted

time: 0ms

memory: 3596kb

input:

7 9
1 1 1 0 2 1 1 2 0
2 1 2 2 2 2 2 0 1
2 0 2 2 0 1 2 0 2
0 2 2 0 0 2 1 1 2
0 0 1 1 1 1 0 1 1
1 2 0 1 1 0 1 1 0
0 2 0 1 2 2 0 0 2

output:

result:

ok single line: '0'

Test #37:

score: 0

Accepted

time: 0ms

memory: 3660kb

input:

9 7
2 2 0 2 2 1 2
2 0 2 0 1 1 1
2 1 1 0 1 0 2
0 0 0 1 1 0 1
1 2 1 2 2 2 0
1 2 0 0 0 0 2
1 2 1 0 1 2 2
0 2 2 2 2 0 2
2 0 2 0 2 0 1

output:

result:

ok single line: '0'

Test #38:

score: 0

Accepted

time: 0ms

memory: 3668kb

input:

1 64
0 2 1 2 0 1 2 0 2 1 1 2 2 2 2 2 1 2 2 1 2 0 0 1 2 1 1 0 0 2 0 1 1 1 1 1 2 1 2 1 2 0 2 2 0 0 1 1 2 2 1 1 1 1 0 0 2 1 2 2 2 0 2 1

output:

result:

ok single line: '0'

Test #39:

score: 0

Accepted

time: 0ms

memory: 3588kb

input:

output:

result:

ok single line: '0'

Test #40:

score: 0

Accepted

time: 0ms

memory: 3668kb

input:

2 32
0 2 2 2 2 1 1 1 2 1 1 2 1 1 2 0 1 1 2 2 2 2 0 0 0 0 0 1 2 1 0 2
0 1 2 2 2 1 1 1 0 0 1 2 2 2 0 0 0 1 1 2 0 0 1 2 2 0 0 2 2 0 2 0

output:

result:

ok single line: '0'

Test #41:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

output:

result:

ok single line: '0'

Test #42:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

1 63
1 1 1 2 0 1 1 1 2 1 1 1 2 1 2 2 1 1 2 1 1 2 1 1 1 2 1 1 1 1 2 1 2 2 1 2 2 1 1 2 2 2 1 2 2 1 2 1 2 2 1 1 2 2 1 1 2 2 2 2 1 1 1

output:

result:

ok single line: '1'

Test #43:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

1 64
1 2 1 2 2 1 1 1 0 2 1 1 2 1 2 2 2 2 1 1 1 2 1 2 1 2 1 1 1 2 1 2 1 1 1 2 2 2 1 2 2 2 2 2 1 2 1 1 2 2 1 1 2 2 2 2 2 1 2 2 1 2 1 2

output:

result:

ok single line: '1'

Test #44:

score: 0

Accepted

time: 0ms

memory: 3664kb

input:

output:

result:

ok single line: '1'

Test #45:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

output:

result:

ok single line: '2'

Test #46:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

8 8
2 1 1 2 1 1 2 2
1 1 1 1 1 1 2 1
1 2 2 1 2 2 2 1
1 2 1 1 1 2 2 0
1 1 1 1 2 1 1 1
2 1 2 2 2 2 1 1
1 2 2 1 1 2 1 1
1 2 1 2 2 1 2 2

output:

result:

ok single line: '1'

Test #47:

score: 0

Accepted

time: 0ms

memory: 3648kb

input:

2 32
2 1 1 2 0 2 2 2 1 1 2 1 2 2 1 1 2 1 2 2 2 1 1 2 2 1 1 1 2 2 2 1
1 1 1 2 2 2 2 2 1 2 2 1 1 2 1 2 2 2 1 1 2 1 2 2 2 1 2 1 2 1 2 2

output:

result:

ok single line: '1'

Test #48:

score: 0

Accepted

time: 0ms

memory: 3660kb

input:

output:

result:

ok single line: '1'

Test #49:

score: 0

Accepted

time: 0ms

memory: 3668kb

input:

output:

result:

ok single line: '8'

Test #50:

score: 0

Accepted

time: 0ms

memory: 3652kb

input:

2 3
0 1 2
0 1 2

output:

result:

ok single line: '0'

Test #51:

score: 0

Accepted

time: 0ms

memory: 3632kb

input:

1 3
2 0 2

output:

result:

ok single line: '2'