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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
#585271#9376. Gamemt666WA 0ms3684kbC++23893b2024-09-23 20:03:292024-09-23 20:03:30

Judging History

你现在查看的是最新测评结果

  • [2024-09-23 20:03:30]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3684kb
  • [2024-09-23 20:03:29]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define INF 2e18
#define int long long
const int N=1e6+10,mod=998244353;
int x,y,p0,p1,t;
int ans;
int qmi(int a,int b)
{
	int res=1;
	while(b)
	{
		if(b&1) res=res*a%mod;
		a=a*a%mod;
		b>>=1;
	}
	return res%mod;
}
void dfs(int a,int b,int last)
{
	if(a==b)
	{
		ans=(ans+last*p0%mod)%mod;
		return;
	}
	if(a<b)
	{
	    int k=(b-1)/a;
	    last=last*qmi(p0,k);
	    dfs(a,b-k*a,last);
	}
	else
	{
	    int k=(a-1)/b;
	    ans=(ans+last*(1-qmi(p1,k)+mod)%mod)%mod;
	    last=last*qmi(p1,k)%mod;
	    dfs(a-k*b,b,last);
	}
}
void solve()
{
	cin>>x>>y>>p0>>p1>>t;
	t=p0+p1;
	p0=p0*qmi(t,mod-2)%mod;
	p1=p1*qmi(t,mod-2)%mod;
	dfs(x,y,1);
	cout<<ans%mod<<endl;
}
signed main()
{
	ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int _;
    cin>>_;
    while(_--) solve();
}

详细

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3684kb

input:

3
1 1
2 2 6
1 3
2 3 6
3 4
7 3 15

output:

499122177
411276674
632188150

result:

wrong answer 2nd lines differ - expected: '910398850', found: '411276674'