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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#734025#8049. Equal Sumsucup-team4479WA 1650ms990120kbC++231.4kb2024-11-10 23:09:232024-11-10 23:09:23

Judging History

你现在查看的是最新测评结果

  • [2024-11-10 23:09:23]
  • 评测
  • 测评结果:WA
  • 用时:1650ms
  • 内存:990120kb
  • [2024-11-10 23:09:23]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
constexpr int N=505,M=500;
constexpr int MOD=1000000007;
int n,m;
int la[N],ra[N],lb[N],rb[N]; 
int poolf[N][N][M+M+1],*f[N][N];
int ans[N][N];
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        cin>>la[i]>>ra[i];
    for(int i=1;i<=m;i++)
        cin>>lb[i]>>rb[i];
    for(int i=0;i<=n;i++)
        for(int j=0;j<=m;j++)
            f[i][j]=&poolf[i][j][M];
    f[0][0][0]=1;
    for(int i=0;i<=n;i++)
        for(int j=0;j<=m;j++)
        {
            for(int k=-M;k<=M;k++)
            {
                if(i>=1)
                {
                    int l=max(k-ra[i],-M),r=min(k-la[i],0);
                    if(l<=r) f[i][j][k]=((long long)f[i][j][k]+f[i-1][j][r]-(l>-M?f[i-1][j][l-1]:0)+MOD)%MOD;
                }
                if(j>=1)
                {
                    int l=max(k+lb[j],1),r=min(k+rb[j],M);
                    if(l<=r) f[i][j][k]=((long long)f[i][j][k]+f[i][j-1][r]-f[i][j-1][l-1]+MOD)%MOD;
                }
                if(k==0) ans[i][j]=f[i][j][k];
                if(k>-M) f[i][j][k]=(f[i][j][k]+f[i][j][k-1])%MOD;
            }
        }
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
            cout<<ans[i][j]<<" ";
        cout<<"\n";
    }
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 7800kb

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
Wrong Answer
time: 1650ms
memory: 990120kb

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 120888829 334105 345764276 421120311 260411339 442237148 376746015 621546890 989741096 990914509 80513204 849630640 611259822 530689761 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 0 0 ...

result:

wrong answer 5th numbers differ - expected: '180581065', found: '120888829'