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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
#476883#4890. 这是一道集训队胡策题Mathew_Miao100 ✓1139ms101676kbC++231.8kb2024-07-13 21:25:472024-07-13 21:25:48

Judging History

你现在查看的是最新测评结果

  • [2024-07-13 21:25:48]
  • 评测
  • 测评结果:100
  • 用时:1139ms
  • 内存:101676kb
  • [2024-07-13 21:25:47]
  • 提交

answer

#include<map>
#include<set>
#include<cmath>
#include<ctime>
#include<queue>
#include<stack>
#include<cstdio>
#include<vector>
#include<string>
#include<bitset>
#include<cstring>
#include<cstdlib>
#include<iostream>
#include<algorithm>
using namespace std;
const int MAXN=5e3+10;
const int N=5e3;
const int INF=0x3f3f3f3f;
const long long LINF=0x3f3f3f3f3f3f3f3f;
const int mod=998244353;
int n,ans=0;
int cx[MAXN],cy[MAXN];
int prex[MAXN],sufx[MAXN];
int prey[MAXN],sufy[MAXN];
int cntx[MAXN],cnty[MAXN];
int firx[MAXN],firy[MAXN];
int comb[MAXN][MAXN];
signed main(){
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            int x;
            scanf("%1d",&x);
            cx[i]+=x;
            cy[j]+=x;
        }
    }
    sort(cx+1,cx+1+n,greater<int>());
    sort(cy+1,cy+1+n,greater<int>());
    for(int i=1;i<=n;i++)
    {
        prex[i]=prex[i-1]+cx[i];
        prey[i]=prey[i-1]+cy[i];
    }
    for(int i=n;i;i--)
    {
        sufx[i]=sufx[i+1]+(n-cx[i]);
        sufy[i]=sufy[i+1]+(n-cy[i]);
        cntx[cx[i]]++;
        cnty[cy[i]]++;
        firx[cx[i]]=i;
        firy[cy[i]]=i;
    }
    comb[0][0]=1;
    for(int i=1;i<=n;i++)
    {
        comb[i][0]=1;
        for(int j=1;j<=i;j++)
        {
            comb[i][j]=comb[i-1][j-1]+comb[i-1][j];
            (comb[i][j]>=mod)&&(comb[i][j]-=mod);
        }
    }
    for(int i=0;i<=n;i++)
    {
        for(int j=0;j<=n;j++)
        {
            #define fx() (i?comb[cntx[cx[i]]][i-firx[cx[i]]+1]:1)
            #define fy() (j?comb[cnty[cy[j]]][j-firy[cy[j]]+1]:1)
            if((prex[i]+sufx[i+1])+(prey[j]+sufy[j+1])-i*j-(n-i)*(n-j)==n*n){
                ans=(ans+1ll*fx()*fy())%mod;
            }
        }
    }
    printf("%d\n",ans);
    return 0;
}

这程序好像有点Bug,我给组数据试试?

详细

Subtask #1:

score: 5
Accepted

Test #1:

score: 5
Accepted
time: 0ms
memory: 4032kb

input:

10
0000000000
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001
0101111001

output:

591

result:

ok 1 number(s): "591"

Test #2:

score: 0
Accepted
time: 0ms
memory: 3960kb

input:

10
0000000000
0001100000
0001111111
0001111111
0001100000
0001111111
0001110100
0001110100
0001110100
0001110100

output:

47

result:

ok 1 number(s): "47"

Test #3:

score: 0
Accepted
time: 0ms
memory: 3876kb

input:

10
1000000000
1010000000
1010000000
1010111111
1010100111
1010100111
1010100111
1010100100
1010100100
1010100110

output:

30

result:

ok 1 number(s): "30"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3840kb

input:

10
0000110001
0101100000
0100001111
1011000001
0011010000
1010011111
1000111100
1110111101
1000101100
1000110100

output:

2

result:

ok 1 number(s): "2"

Test #5:

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

input:

10
1000010100
1100001111
1111010111
1010000001
1000110111
0100001001
1000111110
0110100010
1010100010
1010110111

output:

2

result:

ok 1 number(s): "2"

Test #6:

score: 0
Accepted
time: 1ms
memory: 5964kb

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: 3916kb

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: 0
Accepted
time: 0ms
memory: 3988kb

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: 0
Accepted
time: 0ms
memory: 3880kb

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: 0
Accepted
time: 0ms
memory: 3992kb

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: 0
Accepted
time: 0ms
memory: 4072kb

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: 0
Accepted
time: 1ms
memory: 5940kb

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: 0
Accepted
time: 1ms
memory: 5928kb

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: 5ms
memory: 10100kb

input:

300
01110011110110110011100111010000101110110001000111111011100101101101101011110101110100110110001110111010101011111010010101001000100011001110110100110000111001011011100000011100000000000001101000010110110000110001110000010110100010110110111000110000100101110011111010001100110111001010000100110110...

output:

2

result:

ok 1 number(s): "2"

Test #15:

score: 0
Accepted
time: 5ms
memory: 8344kb

input:

300
00101101101001110001110111101010000101010101100001110010001101001011011110111000110110101101111100010010011111010011101011110001011011111110001110100110101010100111001110001100111011010110010010111101001001101000000000011101011000111100101000101110111011001111111000111000100111100110101001011101...

output:

2

result:

ok 1 number(s): "2"

Test #16:

score: 0
Accepted
time: 2ms
memory: 10404kb

input:

300
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

936335109

result:

ok 1 number(s): "936335109"

Test #17:

score: 0
Accepted
time: 6ms
memory: 10088kb

input:

300
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

124904823

result:

ok 1 number(s): "124904823"

Test #18:

score: 0
Accepted
time: 5ms
memory: 8504kb

input:

300
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

923149686

result:

ok 1 number(s): "923149686"

Test #19:

score: 0
Accepted
time: 5ms
memory: 10236kb

input:

300
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

254929271

result:

ok 1 number(s): "254929271"

Test #20:

score: 0
Accepted
time: 2ms
memory: 10236kb

input:

300
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

12177

result:

ok 1 number(s): "12177"

Subtask #4:

score: 5
Accepted

Test #21:

score: 5
Accepted
time: 1101ms
memory: 101136kb

input:

5000
0000111111000001000100111100110001110111011000101000110111100011111110110011101001111001111101010001111101110011110101010011010010000000001111000111101111010010110100000110111101100000010111111110001001010100101110100010100000011100000101011011101010011111101011000110001001011010000010000101111...

output:

2

result:

ok 1 number(s): "2"

Test #22:

score: 0
Accepted
time: 1109ms
memory: 100728kb

input:

5000
0010011001001111110110000001101010000101010111000001101101011100001001011101010000001111010001101001111000101001011011001000111110010001111011011101010000110000010100010110011010000110111110111100110100001010110010001011010010001001101110000000111110111111000110000011010011100001110011111010001...

output:

2

result:

ok 1 number(s): "2"

Test #23:

score: 0
Accepted
time: 1101ms
memory: 100868kb

input:

5000
1100111111010100100110101001011111001111000111111010110110010101011010010001111010101001101110111111100100101111010111001111100001100101111111000010100011000110100010010110111111100001100010000111101011110111100010010000001110011110001110110001000101111010110011111001111001011011110010101000000...

output:

2

result:

ok 1 number(s): "2"

Subtask #5:

score: 35
Accepted

Test #24:

score: 35
Accepted
time: 941ms
memory: 100624kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

828414647

result:

ok 1 number(s): "828414647"

Test #25:

score: 0
Accepted
time: 948ms
memory: 100640kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

16621460

result:

ok 1 number(s): "16621460"

Test #26:

score: 0
Accepted
time: 1095ms
memory: 101140kb

input:

5000
1010110111100100001010010010100011000101011011111111101001100001101101011001001110101011110101001110010011110111101001011010010001100100111010100100000011101101000100010001011001101100000000000000011001100101111101110010111101000000010001000101110111100011100110101001001000001101111010001111010...

output:

2

result:

ok 1 number(s): "2"

Test #27:

score: 0
Accepted
time: 1041ms
memory: 101232kb

input:

5000
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

541497915

result:

ok 1 number(s): "541497915"

Test #28:

score: 0
Accepted
time: 1139ms
memory: 100612kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

288388087

result:

ok 1 number(s): "288388087"

Test #29:

score: 0
Accepted
time: 1035ms
memory: 101676kb

input:

5000
0111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

352199570

result:

ok 1 number(s): "352199570"

Test #30:

score: 0
Accepted
time: 1025ms
memory: 101436kb

input:

5000
1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

410201481

result:

ok 1 number(s): "410201481"

Extra Test:

score: 0
Extra Test Passed