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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#335903#8049. Equal Sumseggegg185ML 0ms7868kbC++141.0kb2024-02-24 09:07:182024-02-24 09:07:18

Judging History

你现在查看的是最新测评结果

  • [2024-02-24 09:07:18]
  • 评测
  • 测评结果:ML
  • 用时:0ms
  • 内存:7868kb
  • [2024-02-24 09:07:18]
  • 提交

answer

#include <iostream>
using namespace std;
#define int long long
const int O = 502,mod = 998244353;
int n,m,dp[505][505][1010],lx[505],rx[505],ly[505],ry[505];
int sum(int x,int y,int l,int r) {
	return (dp[x][y][r]-(l?dp[x][y][l-1]:0)+mod)%mod;
}
signed main() {
	cin.tie(0)->sync_with_stdio(false);
	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];
	for(int i = 0; i <= O+O; i++) dp[0][0][i] = (i >= O);
	for(int i = 0; i <= n; i++) {
		for(int j = 0; j <= m; j++) {
			if(i == j && j == 0) continue;
			for(int k = 0; k <= O+O; k++) {
				if(k > O) {
					if(i) dp[i][j][k] = sum(i-1,j,k-rx[i],k-lx[i]);
					else dp[i][j][k] = 0;
				} else {
					if(j) dp[i][j][k] = sum(i,j-1,k+ly[j],k+ry[j]);
					else dp[i][j][k] = 0;
				}
				if(k) (dp[i][j][k] += dp[i][j][k-1]) %= mod;
			}
		}
	}
	for(int i = 1; i <= n; i++) {
		for(int j = 1; j <= m; j++) {
			cout << (dp[i][j][O]-dp[i][j][O-1]+mod)%mod << ' ';
		} cout << endl;
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 7868kb

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: