Submission #37454568

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
const int mod=998244353;
int f[3010][3010];
signed main() {
	int a,b,c,d;
	cin>>a>>b>>c>>d;
	f[a][b]=1;
	for(int i=a;i<=c;i++)
		for(int j=b;j<=d;j++) {
			if(i==a&&j==b) continue;
			f[i][j]=(1ll*f[i-1][j]*j%mod+1ll*f[i][j-1]*i%mod-1ll*f[i-1][j-1]*(i-1)%mod*(j-1)%mod+mod)%mod;
		}
	cout<<f[c][d]<<endl;
	return 0;
}

Submission Info

Submission Time
Task B - Extension
User cxm1024
Language C++ (GCC 9.2.1)
Score 600
Code Size 377 Byte
Status AC
Exec Time 116 ms
Memory 38840 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 600 / 600
Status
AC × 3
AC × 17
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 116 ms 38840 KiB
02.txt AC 89 ms 30952 KiB
03.txt AC 2 ms 3508 KiB
04.txt AC 1 ms 3376 KiB
05.txt AC 13 ms 12836 KiB
06.txt AC 2 ms 3392 KiB
07.txt AC 35 ms 14580 KiB
08.txt AC 23 ms 12276 KiB
09.txt AC 2 ms 3568 KiB
10.txt AC 37 ms 16160 KiB
11.txt AC 5 ms 4344 KiB
12.txt AC 3 ms 4120 KiB
13.txt AC 48 ms 21508 KiB
14.txt AC 18 ms 15328 KiB
s1.txt AC 2 ms 3508 KiB
s2.txt AC 2 ms 3524 KiB
s3.txt AC 3 ms 3672 KiB