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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
#509411#8022. WalkerXunwuqishi#WA 0ms3940kbC++231.3kb2024-08-08 14:21:182024-08-08 14:21:18

Judging History

你现在查看的是最新测评结果

  • [2024-08-08 14:21:18]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3940kb
  • [2024-08-08 14:21:18]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define lowbit(x) x&(-x)
#define int long long
#define double long double

const int N = 2e5+10;
double INF  = 1e9;
int mod = 1e6+7;
//int mod =  1e9+7;
//int ways[4][2] = {{1,0},{-1,0},{0,1},{0,-1}};

double n,a,b,av,bv,ans;

void solve() {

    cin>>n>>a>>av>>b>>bv;

    if(a > b){
        swap(a,b);
        swap(av,bv);
    }

    double t;

    ans = 1e18l;

    //-> <-
    t = (b-a)/(av+bv);
    ans = min(ans,2.0l*t+max(a/av,(n-b)/bv));
    ans = min(ans,(n+b-a)/(av+bv));

    //<- ->
    ans = min(ans,(a+n-b+n)/(av+bv));

    double tb = (n-b)/bv;
    double ta = a/av;

    if(tb*2.0l > (a+b)/av) ans = min(ans, max(tb,(a+b)/av));
    if(ta*2.0l > (n-b + n-a)/bv) ans = min(ans, max(ta,(n-b + n-a)/bv));

    //<- <-
    ans = min(ans,max(a/av,(b-a+n-a)/bv));

    //-> ->
    ans = min(ans,max((n-b)/bv,(b-a+b)/av));

    ans = min(ans,(a+n)/av);
    ans = min(ans,(n-a+n)/av);
    ans = min(ans,(n-b+n)/bv);
    ans = min(ans,(b+n)/bv);

    cout<<ans<<endl;


}
signed main() {
    std::ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cout<<fixed<<setprecision(10);
    int caset = 1;
    cin>>caset;

    for(int i = 1;i<=caset;i++){
		solve();
	}

    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3840kb

input:

2
10000.0 1.0 0.001 9999.0 0.001
4306.063 4079.874 0.607 1033.423 0.847

output:

5001000.0000000000
3827.8370013755

result:

ok 2 numbers

Test #2:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

1
10.0 1.0 10.0 9.0 0.1

output:

1.1000000000

result:

ok found '1.1000000', expected '1.1000000', error '0.0000000'

Test #3:

score: -100
Wrong Answer
time: 0ms
memory: 3940kb

input:

1
10.0 8.0 10.0 9.0 0.1

output:

1.0891089109

result:

wrong answer 1st numbers differ - expected: '1.2000000', found: '1.0891089', error = '0.0924092'