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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#340821#8049. Equal SumssupepapupuML 0ms3796kbC++201.8kb2024-02-29 12:53:172024-02-29 12:53:17

Judging History

你现在查看的是最新测评结果

  • [2024-02-29 12:53:17]
  • 评测
  • 测评结果:ML
  • 用时:0ms
  • 内存:3796kb
  • [2024-02-29 12:53:17]
  • 提交

answer

#include <bits/stdc++.h>

#define x first
#define y second
#define el '\n'
#define debug(x) cerr << #x << ": " << x << el
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int N = 3e5 + 10, INF = 0x3f3f3f3f, mod = 998244353;

void inc(ll &a, ll b) {
    a += b;
    if (a >= mod) a -= mod;
}
void dec(ll &a, ll b) {
    a -= b;
    if (a < 0) a += mod;
}
ll add(ll a, ll b) {
    a += b;
    return a >= mod ? a - mod : a;
}
ll del(ll a, ll b) {
    a -= b;
    return a < 0 ? a + mod : a;
}
ll qmi(ll a, ll b) {
    ll res = 1;
    while (b) {
        if (b & 1) res = res * a % mod;
        a = a * a % mod;
        b >>= 1;
    }
    return res;
}
ll inv(ll a) {
    return qmi(a, mod - 2);
}

ll f[510][510][1010];
int lx[510], rx[510], ly[510], ry[510];

int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int n, m; cin >> n >> m;
    for (int i = 1; i <= n; ++i) cin >> lx[i] >> rx[i];
    for (int i = 1; i <= m; ++i) cin >> ly[i] >> ry[i];
    f[0][0][500] = 1, f[0][0][501] = -1;
    for (int i = 0; i <= n; ++i) 
        for (int j = 0; j <= m; ++j) {
            for (int k = 1; k <= 1000; ++k) inc(f[i][j][k], f[i][j][k - 1]);
            for (int k = 0; k <= 1000; ++k) {
                if (k <= 500) {
                    inc(f[i + 1][j][k + lx[i + 1]], f[i][j][k]);
                    dec(f[i + 1][j][k + rx[i + 1] + 1], f[i][j][k]);
                } else {
                    inc(f[i][j + 1][k - ry[j + 1]], f[i][j][k]);
                    dec(f[i][j + 1][k - ly[j + 1] + 1], f[i][j][k]);
                }
            }
        }
    for (int i = 1; i <= n; ++i) 
        for (int j = 1; j <= m; ++j) 
            cout << f[i][j][500] << " \n"[j == m];
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3796kb

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: