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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
#102485#5253. Denormalizationzswzswzsw#WA 242ms3760kbC++14943b2023-05-03 13:50:572023-05-03 13:50:59

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 13:50:59]
  • 评测
  • 测评结果:WA
  • 用时:242ms
  • 内存:3760kb
  • [2023-05-03 13:50:57]
  • 提交

answer

#include<iostream>
#include<cstring>
#include<cmath>
using namespace std;
const int N=1e4+10;
double eps=1e-1,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;
            }
    }
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3656kb

input:

2
0.909840249060
0.414958698174

output:

1958
893

result:

ok good solution

Test #2:

score: 0
Accepted
time: 2ms
memory: 3476kb

input:

3
0.005731604132
0.696198848562
0.717826101486

output:

22
2672
2755

result:

ok good solution

Test #3:

score: 0
Accepted
time: 1ms
memory: 3656kb

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: 0
Accepted
time: 4ms
memory: 3472kb

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:

1486
1831
1145
147
4868
9650
646
5411
4659
6015
890
5791
2696
5565
6447
4811
3553
2492
9336
4534
5302
193
5082
58
1438
4729
3774
542
5876
1641
5574
1443
9374
7710
9570
1413
3054
396
2768
8066
1774
1546
9548
1546
8339
411
3862
3496
3418
8165
4760
7829
4709
8174
8816
4396
7811
8148
2957
1239
1857
4361...

result:

ok good solution

Test #5:

score: -100
Wrong Answer
time: 242ms
memory: 3760kb

input:

10000
0.014153431495
0.006246805276
0.014846752535
0.008905976745
0.012146085543
0.003020528319
0.010107617948
0.005218062088
0.014054879627
0.009239669913
0.008637984822
0.013371932468
0.009493829995
0.005771335736
0.002264963994
0.010799210007
0.015999982294
0.014564928771
0.001206828144
0.0056243...

output:


result:

wrong output format Unexpected end of file - int32 expected