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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#777839#8049. Equal SumsEstelle_NML 0ms1764kbC++141.4kb2024-11-24 10:14:262024-11-24 10:14:27

Judging History

你现在查看的是最新测评结果

  • [2024-11-24 10:14:27]
  • 评测
  • 测评结果:ML
  • 用时:0ms
  • 内存:1764kb
  • [2024-11-24 10:14:26]
  • 提交

answer

#include <cstdio>
#include <algorithm>

#define int long long

using namespace std;

const int N = 505;
const int mod = 998244353;

int n, m, l[2][N], r[2][N], f[N][N][N << 1];

signed main()
{
    scanf("%lld%lld", &n, &m);
    for(int i = 1; i <= n; ++ i)
        scanf("%lld%lld", &l[0][i], &r[0][i]);
    for(int i = 1; i <= m; ++ i)
        scanf("%lld%lld", &l[1][i], &r[1][i]);

    f[0][0][0 + N] = 1;
    f[0][0][0 + 1 + N] = -1;
    for(int i = 0; i <= n; ++ i)
    {
        for(int j = 0; j <= m; ++ j)
        {
            for(int k = -500; k <= 500; ++ k)
                f[i][j][k + N] = (f[i][j][k + N] + f[i][j][k - 1 + N]) % mod;
            for(int k = -500; k <= 500; ++ k)
            {
                if(k < 0)
                {
                    (f[i][j + 1][k + l[1][j + 1] + N] += f[i][j][k + N]) %= mod;
                    (f[i][j + 1][k + r[1][j + 1] + 1 + N] -= f[i][j][k + N]) %= mod;
                }
                else
                {
                    (f[i + 1][j][k - r[0][i + 1] + N] += f[i][j][k + N]) %= mod;
                    (f[i + 1][j][k - l[0][i + 1] + 1 + N] -= f[i][j][k + N]) %= mod; 
                }
            }
        }
    }
    
    for(int i = 1; i <= n; ++ i)
    {
        for(int j = 1; j <= m; ++ j)
            printf("%lld ", f[i][j][0 + N]);
        printf("\n");
    }

    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 1764kb

input:

2 3
1 2
2 3
1 4
2 2
1 3

output:

2 0 0 
3 4 4 

result:

ok 6 numbers

Test #2:

score: -100
Memory Limit Exceeded

input:

500 500
19 458
1 480
7 485
50 461
12 476
15 461
48 466
40 453
46 467
9 458
27 478
26 472
46 459
29 490
6 500
17 487
48 484
28 472
28 459
25 480
4 491
29 481
36 460
2 491
44 499
22 473
20 458
4 483
27 471
2 496
11 461
43 450
2 478
37 466
15 459
42 482
7 451
19 455
2 453
47 475
48 450
1 474
46 471
9 4...

output:

411 79401 9145270 673005095 180581065 984223118 586589234 293043270 404363796 865361724 665487988 118838806 926189944 226338288 521479857 808644951 786041288 340769021 177100 21 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 ...

result: