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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#600206#8049. Equal Sumsbruteforce_ML 1ms3620kbC++201.3kb2024-09-29 15:19:322024-09-29 15:19:32

Judging History

你现在查看的是最新测评结果

  • [2024-09-29 15:19:32]
  • 评测
  • 测评结果:ML
  • 用时:1ms
  • 内存:3620kb
  • [2024-09-29 15:19:32]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e6+7,inf=1e18,V=1001,_0=501,mod=998244353;
void O_o()
{
	int n,m;
	cin>>n>>m;
	vector<array<int,2>> a(n+1),b(m+1);
	for(int i=1; i<=n; i++)
		cin>>a[i][0]>>a[i][1];
	for(int i=1; i<=m; i++)
		cin>>b[i][0]>>b[i][1];
	vector dp(n+1,vector<vector<int>>(m+1,vector<int>(V+1)));
	vector sum(n+1,vector<vector<int>>(m+1,vector<int>(V+1)));
	dp[0][0][_0]=1;
	sum[0][0][_0]=1;
	for(int i=0; i<=n; i++)
	{
		for(int j=0; j<=m; j++)
		{

			for(int k=1; k<=V; k++)
			{
				if(i>0)
				{
					auto [l,r]=a[i];
					if(k-r>=_0) continue;
					l=max(l,k-_0+1);
					(dp[i][j][k]+=(sum[i-1][j][max(0,k-l)]-sum[i-1][j][max(0,k-r-1)])%mod)%=mod;
				}
				if(j>0)
				{
					auto [l,r]=b[j];
					if(k+r<_0) continue;
					l=max(l,_0-k);
					(dp[i][j][k]+=(sum[i][j-1][min(V,k+r)]-sum[i][j-1][min(V,k+l-1)])%mod)%=mod;
				}
			}
			for(int k=1; k<=V; k++)
				sum[i][j][k]=(sum[i][j][k-1]+dp[i][j][k])%mod;
		}
	}
	for(int i=1; i<=n; i++)
	{
		for(int j=1; j<=m; j++)
		{
			cout<<(dp[i][j][_0]+mod)%mod<<" ";
		}
		cout<<"\n";
	}
}
signed main()
{
	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cout<<fixed<<setprecision(12);
	int T=1;
//	cin>>T;
	while(T--)
	{
		O_o();
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3620kb

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: