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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#692453#6425. Harmonious Rectangleyzj123#WA 0ms3680kbC++202.3kb2024-10-31 14:31:572024-10-31 14:31:58

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 14:31:58]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3680kb
  • [2024-10-31 14:31:57]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
const ll mod=1e9+7;
int g[10][10];
int n,m;
ll ans;

ll qmi(ll a,ll b)
{
    ll res=1ll;
    while(b)
    {
        if(b&1)res=res*a%mod;
        a=a*a%mod;
        b>>=1;
    }
    return res;
}

void dfs(int x,int y)
{
    if (x == n + 1) return ;
    for(int k=1;k<=3;++k)
    {
        g[x][y]=k;
        int flag=0;
        for(int i=1;i<x;++i)
        {
            for(int j=1;j<y;++j)
            {
                if((g[x][y]==g[x][j]&&g[i][j]==g[i][y])||(g[i][j]==g[x][j]&&g[i][y]==g[x][y]))
                {
                    int cnt=m*n-(x-1)*m-y;
                    ans=(ans+qmi(3,cnt))%mod;
                    flag=1;break;
                }
            }
            if(flag)break;
        }
        if(flag)continue;
        int xx,yy;
        if(y==m){xx=x+1;yy=1;}
        else {xx=x;yy=y+1;}
        
        dfs(xx,yy);
    }
}
std::map<std::pair<int, int>, int> mp;
int a[10][10] = {
    {0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 
    {0, 0,0,0,0,0,0,0,0,0},
    {0, 0,15,339,4761,52929,517761,4767849,43046721,387420489},
    {0, 0,339,16485,518265,14321907,387406809,460338013,429534507,597431612},
    {0, 0,4761,518265,43022385,486780060,429534507,792294829,175880701,246336683},
    {0, 0,52929,14321907,486780060,288599194,130653412,748778899,953271190,644897553},
    {0, 0,517761,387406809,429534507,130653412,246336683,579440654,412233812,518446848},
    {0, 0,4767849,460338013,792294829,748778899,579440654,236701429,666021604,589237756},
    {0, 0,43046721,429534507,175880701,953271190,412233812,666021604,767713261,966670169},
    {0, 0,387420489,597431612,246336683,644897553,518446848,589237756,966670169,968803245}
};
signed main()
{
    // for (int i = 1; i <= 9; i ++) {
    //     for (int j = 1; j <= 9; j ++) {
    //         n = i, m = j;
    //         ans = 0;
    //         dfs(1, 1);
    //         std::cout << ans << ',';
    //     }
    //     std::cout << '\n';
    // }
    int t;
    std::cin >> t;
    while (t --) {
        int nn, mm;
        std::cin >> nn >> mm;
        if (std::max(nn, mm) > 9) {
            std::cout << qmi(3, nn * mm) << '\n';
        } else {
            std::cout << a[nn][mm] << '\n';
        }
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3680kb

input:

3
1 4
2 2
3 3

output:

0
15
16485

result:

ok 3 number(s): "0 15 16485"

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3560kb

input:

10000
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...

output:

0
0
0
0
0
0
0
0
0
59049
177147
531441
1594323
4782969
14348907
43046721
129140163
387420489
162261460
486784380
460353133
381059392
143178169
429534507
288603514
865810542
597431612
792294829
376884473
130653412
391960236
175880701
527642103
582926302
748778899
246336683
739010049
217030133
65109039...

result:

wrong answer 10th numbers differ - expected: '0', found: '59049'