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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#102481#5253. Denormalizationzswzswzsw#WA 2ms3708kbC++14943b2023-05-03 13:48:382023-05-03 13:48:41

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-03 13:48:41]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3708kb
  • [2023-05-03 13:48:38]
  • 提交

answer

#include<iostream>
#include<cstring>
#include<cmath>
using namespace std;
const int N=1e4+10;
double eps=1e-3,ep=1e-6;
long double x[N];
int a[N];
int n;

int _gcd(int x,int y){
    return y?_gcd(y,x%y):x;
}

bool test(long double d){
    long double rel=0;
    int gcd=0;
    for(int i=1;i<=n;++i)
        a[i]=x[i]*d+0.1,
        gcd=(gcd==0?a[i]:_gcd(gcd,a[i]));
    for(int i=1;i<=n;++i)
        a[i]/=gcd,
        rel+=a[i]*a[i];
    rel=sqrt(rel);
    for(int i=1;i<=n;++i)
        if(abs(a[i]/rel-x[i])>ep)
            return false;
    for(int i=1;i<=n;++i)
        cout<<a[i]<<endl;
    return true;
}

long double res(long double x){
    return abs(x-(long long)(x+0.1));
}

int main(){
    cin>>n;
    for(int i=1;i<=n;++i)
        cin>>x[i];
    for(int i=1;i<=10000;++i){
        if(res(i*i/x[1]/x[1])<eps)
            if(test(i/x[1])){
                return 0;
            }
    }
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3608kb

input:

2
0.909840249060
0.414958698174

output:

3973
1812

result:

ok good solution

Test #2:

score: 0
Accepted
time: 0ms
memory: 3540kb

input:

3
0.005731604132
0.696198848562
0.717826101486

output:

75
9110
9393

result:

ok good solution

Test #3:

score: 0
Accepted
time: 1ms
memory: 3708kb

input:

10
0.338936215010
0.390914583549
0.048893426174
0.446152513833
0.137891103101
0.017985796057
0.459132554353
0.201452557127
0.362800863500
0.358493585479

output:

5823
6716
840
7665
2369
309
7888
3461
6233
6159

result:

ok good solution

Test #4:

score: -100
Wrong Answer
time: 2ms
memory: 3604kb

input:

100
0.027828573352
0.034289446708
0.021442608673
0.002752893865
0.091163859407
0.180717182268
0.012097751269
0.101332712254
0.087249881055
0.112643922419
0.016667180541
0.108449036530
0.050488448020
0.104216696303
0.120734059490
0.090096410766
0.066537631979
0.046668105514
0.174836851156
0.084908984...

output:


result:

wrong output format Unexpected end of file - int32 expected