QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#477845#8049. Equal Sumsc20150005TL 0ms3884kbC++14864b2024-07-14 11:40:062024-07-14 11:40:07

Judging History

你现在查看的是最新测评结果

  • [2024-07-14 11:40:07]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:3884kb
  • [2024-07-14 11:40:06]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;using ll=long long;
int rd(int x=0,char c=getchar()){int f=1;while(!isdigit(c))f=(c^'-'?1:-1),c=getchar();while(isdigit(c))x=x*10+(c^48),c=getchar();return f*x;}
const int N=505;const int mod=998244353;
int n,m,l1[N],r1[N],l2[N],r2[N];
int dp[N][N][N<<1];
int md(const int&x){return x>=mod?x-mod:x;}
int main(){
	n=rd(),m=rd();
	for(int i=1;i<=n;i++)l1[i]=rd(),r1[i]=rd();
	for(int i=1;i<=m;i++)l2[i]=rd(),r2[i]=rd();
	dp[0][0][500]=1; 
	for(int i=0;i<=n;i++)for(int j=0;j<=m;j++)for(int k=0;k<=1000;k++){
		if(k>=500)for(int w=l2[j+1];w<=r2[j+1];w++)
		dp[i][j+1][k-w]=md(dp[i][j+1][k-w]+dp[i][j][k]);
		if(k<500)for(int w=l1[i+1];w<=r1[i+1];w++)
		dp[i+1][j][k+w]=md(dp[i+1][j][k+w]+dp[i][j][k]);
	}
	for(int i=1;i<=n;puts(""),i++)for(int j=1;j<=m;j++)printf("%d ",dp[i][j][500]);
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3884kb

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
Time 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:


result: