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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
#764678#8049. Equal SumszqiaorWA 930ms7572kbC++17843b2024-11-20 10:10:202024-11-20 10:10:24

Judging History

你现在查看的是最新测评结果

  • [2024-11-20 10:10:24]
  • 评测
  • 测评结果:WA
  • 用时:930ms
  • 内存:7572kb
  • [2024-11-20 10:10:20]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int Z=500,V=1000,p=998244353;
int n,m,d,dp[2][505][1005];
struct node{int l,r;}a[505],b[505];
void pls(int &x,int y){if((x+=y)>=p)x-=p;}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0),cout.tie(0);
	cin>>n>>m;
	for(int i=1;i<=n;i++)cin>>a[i].l>>a[i].r;
	for(int i=1;i<=m;i++)cin>>b[i].l>>b[i].r;
	dp[0][0][Z]=1;
	for(int i=1;i<=n;i++,cout<<'\n'){
		d^=1;
		memset(dp[d],0,sizeof(dp[d]));
		for(int j=0;j<=m;j++){
			for(int k=0;k<=Z;k++)
				pls(dp[d][j][k+a[i].l],dp[d^1][j][k]),
				pls(dp[d][j][k+a[i].r+1],p-dp[d^1][j][k]);
			for(int k=Z+1;k<=V;k++)
				pls(dp[d][j][k-b[j].r],dp[d][j-1][k]),
				pls(dp[d][j][k-b[j].l+1],p-dp[d][j-1][k]);
			for(int k=1;k<=V;k++)
				pls(dp[d][j][k],dp[d][j][k-1]);
			if(j)cout<<dp[d][j][Z]<<" ";
		}
	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 7560kb

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: 930ms
memory: 7572kb

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:

wrong answer 501st numbers differ - expected: '97494', found: '201064'