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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#547726#4890. 这是一道集训队胡策题2jczoo8100 ✓965ms6068kbC++141.5kb2024-09-05 08:36:532024-09-05 08:36:53

Judging History

你现在查看的是最新测评结果

  • [2024-09-05 08:36:53]
  • 评测
  • 测评结果:100
  • 用时:965ms
  • 内存:6068kb
  • [2024-09-05 08:36:53]
  • 提交

answer

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

const int N = 5005 , mod = 998244353;

int c[N][N] , a[N] , b[N] , inv[N] , p[N] , q[N] , ans;
int sa[N][2] , sb[N][2] , fac[N] , n , f[N] , g[N];

int C (int n , int m) {
	return fac[n] * inv[m] % mod * inv[n - m] % mod;
}

int qpow (int a , int n) {
	int res = 1; for (;n;n >>= 1) {
		if (n & 1) res = a * res % mod;
		a = a * a % mod;
	} return res;
}

signed main() {
	cin >> n; for (int i = 1;i <= n;i ++)
		for (int j = 1;j <= n;j ++) {
			char x; cin >> x; 
			if (x - '0') a[i] ++ , b[j] ++;
		} fac[0] = inv[0] = 1;
	sort (a + 1 , a + 1 + n); sort (b + 1 , b + 1 + n);
	for (int i = 1;i <= n;i ++) 
		fac[i] = fac[i - 1] * i % mod,
		inv[i] = qpow (fac[i] , mod - 2);
	for (int i = 1;i <= n;i ++)
		sa[i][0] = sa[i - 1][0] + n - a[i],
		sb[i][0] = sb[i - 1][0] + n - b[i];
	for (int i = n;i >= 1;i --)
		sa[i][1] = sa[i + 1][1] + a[i],
		sb[i][1] = sb[i + 1][1] + b[i];
	for (int i = n;i >= 1;i --) {
		f[a[i]] ++; g[b[i]] ++;
		if (a[i] == a[i + 1]) p[i] = p[i + 1] + 1;
		else p[i] = 1;
		if (b[i] == b[i + 1]) q[i] = q[i + 1] + 1;
		else q[i] = 1;
	}
	for (int i = 0;i <= n;i ++) for (int j = 0;j <= n;j ++) {
		int val = i * j + (n - i) * (n - j) + n * n;
		if (sa[n - i + 1][1] + sa[n - i][0] + sb[n - j + 1][1] + sb[n - j][0] == val) 
			ans = (ans + C (f[a[n - i + 1]] , p[n - i + 1]) * C (g[b[n - j + 1]] , q[n - j + 1]) % mod) % mod;
	} cout << ans;
	return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 0ms
memory: 3572kb

input:

10
0000000000
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001

output:

591

result:

ok 1 number(s): "591"

Test #2:

score: 5
Accepted
time: 0ms
memory: 3716kb

input:

10
0000000000
0001100000
0001111111
0001111111
0001100000
0001111111
0001110100
0001110100
0001110100
0001110100

output:

47

result:

ok 1 number(s): "47"

Test #3:

score: 5
Accepted
time: 0ms
memory: 3668kb

input:

10
1000000000
1010000000
1010000000
1010111111
1010100111
1010100111
1010100111
1010100100
1010100100
1010100110

output:

30

result:

ok 1 number(s): "30"

Test #4:

score: 5
Accepted
time: 0ms
memory: 3596kb

input:

10
0000110001
0101100000
0100001111
1011000001
0011010000
1010011111
1000111100
1110111101
1000101100
1000110100

output:

2

result:

ok 1 number(s): "2"

Test #5:

score: 5
Accepted
time: 0ms
memory: 3704kb

input:

10
1000010100
1100001111
1111010111
1010000001
1000110111
0100001001
1000111110
0110100010
1010100010
1010110111

output:

2

result:

ok 1 number(s): "2"

Test #6:

score: 5
Accepted
time: 0ms
memory: 3640kb

input:

10
1011001000
1011111011
0111010011
0011110000
0000011100
0101000000
1001100000
1111010011
1110111101
1100010101

output:

2

result:

ok 1 number(s): "2"

Subtask #2:

score: 15
Accepted

Test #7:

score: 15
Accepted
time: 0ms
memory: 3640kb

input:

20
11110010101111111000
01000101111110100000
10110001010110111101
10111111011011110101
10110101011010111101
00010100011011001011
01111111001000101001
10101101011101011100
11011010110101011110
00010100101000001011
00001010100111101100
00100111010010101001
00000010010110110110
11011111100110111100
010...

output:

2

result:

ok 1 number(s): "2"

Test #8:

score: 15
Accepted
time: 0ms
memory: 3640kb

input:

20
01000110110000100100
00010110001100011000
11111000101101101010
10010001100000010100
01101101000000111100
10010111110101011101
00000101010000000110
00001100101111111110
11111110111001101001
00010000001000101011
00010010110110110011
01011011110010011110
01000101111111011101
00010111001101001110
101...

output:

2

result:

ok 1 number(s): "2"

Test #9:

score: 15
Accepted
time: 0ms
memory: 3720kb

input:

20
00000000000000000000
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
10011101011010000010
100...

output:

526847

result:

ok 1 number(s): "526847"

Test #10:

score: 15
Accepted
time: 0ms
memory: 3596kb

input:

20
00000000000000000000
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
11101100001001010011
111...

output:

526335

result:

ok 1 number(s): "526335"

Test #11:

score: 15
Accepted
time: 0ms
memory: 3708kb

input:

20
10000000000000000000
11111000110000000000
11111000110000000000
11111000111111111111
11111000111111111111
11111000111111111111
11111000110000000000
11111000111111111111
11111000110000000000
11111000111111111111
11111000111111111111
11111000111010011011
11111000111010011011
11111000111010011011
111...

output:

740

result:

ok 1 number(s): "740"

Test #12:

score: 15
Accepted
time: 0ms
memory: 3596kb

input:

20
10000000000000000000
11110100100000000000
11110100101111111111
11110100100000000000
11110100100000000000
11110100100000000000
11110100101111111111
11110100100000000000
11110100101111111111
11110100101111111111
11110100100000000000
11110100100010000000
11110100100010000000
11110100100010000000
111...

output:

1150

result:

ok 1 number(s): "1150"

Test #13:

score: 15
Accepted
time: 0ms
memory: 3700kb

input:

20
11111111111111111111
10100111111111111111
10100100000000000000
10100100000000000000
10100111111111111111
10100100000000000000
10100100000000000000
10100111001100101111
10100111001100101111
10100111001100100000
10100111001100101111
10100111001100100000
10100111001100100000
10100111001100101111
101...

output:

189

result:

ok 1 number(s): "189"

Subtask #3:

score: 40
Accepted

Test #14:

score: 40
Accepted
time: 4ms
memory: 3660kb

input:

300
01110011110110110011100111010000101110110001000111111011100101101101101011110101110100110110001110111010101011111010010101001000100011001110110100110000111001011011100000011100000000000001101000010110110000110001110000010110100010110110111000110000100101110011111010001100110111001010000100110110...

output:

2

result:

ok 1 number(s): "2"

Test #15:

score: 40
Accepted
time: 4ms
memory: 5672kb

input:

300
00101101101001110001110111101010000101010101100001110010001101001011011110111000110110101101111100010010011111010011101011110001011011111110001110100110101010100111001110001100111011010110010010111101001001101000000000011101011000111100101000101110111011001111111000111000100111100110101001011101...

output:

2

result:

ok 1 number(s): "2"

Test #16:

score: 40
Accepted
time: 4ms
memory: 3752kb

input:

300
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

936335109

result:

ok 1 number(s): "936335109"

Test #17:

score: 40
Accepted
time: 2ms
memory: 3692kb

input:

300
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

124904823

result:

ok 1 number(s): "124904823"

Test #18:

score: 40
Accepted
time: 2ms
memory: 3748kb

input:

300
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

923149686

result:

ok 1 number(s): "923149686"

Test #19:

score: 40
Accepted
time: 4ms
memory: 3688kb

input:

300
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

254929271

result:

ok 1 number(s): "254929271"

Test #20:

score: 40
Accepted
time: 4ms
memory: 5716kb

input:

300
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

12177

result:

ok 1 number(s): "12177"

Subtask #4:

score: 5
Accepted

Test #21:

score: 5
Accepted
time: 931ms
memory: 4100kb

input:

5000
0000111111000001000100111100110001110111011000101000110111100011111110110011101001111001111101010001111101110011110101010011010010000000001111000111101111010010110100000110111101100000010111111110001001010100101110100010100000011100000101011011101010011111101011000110001001011010000010000101111...

output:

2

result:

ok 1 number(s): "2"

Test #22:

score: 5
Accepted
time: 965ms
memory: 4032kb

input:

5000
0010011001001111110110000001101010000101010111000001101101011100001001011101010000001111010001101001111000101001011011001000111110010001111011011101010000110000010100010110011010000110111110111100110100001010110010001011010010001001101110000000111110111111000110000011010011100001110011111010001...

output:

2

result:

ok 1 number(s): "2"

Test #23:

score: 5
Accepted
time: 926ms
memory: 3968kb

input:

5000
1100111111010100100110101001011111001111000111111010110110010101011010010001111010101001101110111111100100101111010111001111100001100101111111000010100011000110100010010110111111100001100010000111101011110111100010010000001110011110001110110001000101111010110011111001111001011011110010101000000...

output:

2

result:

ok 1 number(s): "2"

Subtask #5:

score: 35
Accepted

Test #24:

score: 35
Accepted
time: 728ms
memory: 4096kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

828414647

result:

ok 1 number(s): "828414647"

Test #25:

score: 35
Accepted
time: 748ms
memory: 4012kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

16621460

result:

ok 1 number(s): "16621460"

Test #26:

score: 35
Accepted
time: 929ms
memory: 4004kb

input:

5000
1010110111100100001010010010100011000101011011111111101001100001101101011001001110101011110101001110010011110111101001011010010001100100111010100100000011101101000100010001011001101100000000000000011001100101111101110010111101000000010001000101110111100011100110101001001000001101111010001111010...

output:

2

result:

ok 1 number(s): "2"

Test #27:

score: 35
Accepted
time: 839ms
memory: 4008kb

input:

5000
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

541497915

result:

ok 1 number(s): "541497915"

Test #28:

score: 35
Accepted
time: 952ms
memory: 3940kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

288388087

result:

ok 1 number(s): "288388087"

Test #29:

score: 35
Accepted
time: 850ms
memory: 5768kb

input:

5000
0111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

352199570

result:

ok 1 number(s): "352199570"

Test #30:

score: 35
Accepted
time: 838ms
memory: 6068kb

input:

5000
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

410201481

result:

ok 1 number(s): "410201481"

Extra Test:

score: 0
Extra Test Passed