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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
#89677#5253. DenormalizationCCSU_WineAC ✓100ms3744kbC++201.1kb2023-03-20 21:43:482023-03-20 21:43:52

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.
  • [2023-03-20 21:43:52]
  • 评测
  • 测评结果:AC
  • 用时:100ms
  • 内存:3744kb
  • [2023-03-20 21:43:48]
  • 提交

answer

#include <math.h>
#include <iostream>
using namespace std;
const int N = 1e4 + 10;
const double eps = 1e-8;
int n, ans[N];
double a[N];
int get(double x, double p1, double p2){
    return sqrt(x * p2 / p1) + 0.5; // 四舍五入
}

void get_org(){
    int x = ans[1] * ans[1];
    for(int i = 2; i <= n; i ++){
        ans[i] = get(x, a[1], a[i]);
    }
}

bool sgn(double x){
    if(fabs(x) <= eps) return true;
    return false;
}

bool check(){
    double sum = 0.0;
    for(int i = 1; i <= n; i ++){
        sum += (double)(ans[i] * ans[i]);
    }
    for(int i = 1; i <= n; i ++){
        if(!sgn(a[i] - (double)(ans[i] * ans[i]) / sum)) return false; 
    }
    return true;
}
int main(){
    cin >> n;
    for(int i = 1; i <= n; i ++){
    	cin >> a[i];
    	a[i] *= a[i]; // a[i]^2 代表转化后的数字占总和的比例
    }
    for(int i = 1; i <= 10000; i ++){ // 枚举a1
        ans[1] = i;
        get_org();
        if(check()) break;
    }
    for(int i = 1; i <= n; i ++){
        cout << ans[i] << "\n";
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3396kb

input:

2
0.909840249060
0.414958698174

output:

8242
3759

result:

ok good solution

Test #2:

score: 0
Accepted
time: 2ms
memory: 3548kb

input:

3
0.005731604132
0.696198848562
0.717826101486

output:

75
9110
9393

result:

ok good solution

Test #3:

score: 0
Accepted
time: 2ms
memory: 3548kb

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: 2ms
memory: 3512kb

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: 0
Accepted
time: 100ms
memory: 3624kb

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:

8186
3613
8587
5151
7025
1747
5846
3018
8129
5344
4996
7734
5491
3338
1310
6246
9254
8424
698
3253
18
6747
6383
7580
1483
2171
4328
7368
2072
8229
3813
8743
9601
5375
9211
4221
6853
8470
8388
929
2604
4103
8579
2768
1138
3754
2139
7163
5876
525
8775
4406
7769
1654
3080
734
3950
4290
6828
4796
4006
4...

result:

ok good solution

Test #6:

score: 0
Accepted
time: 8ms
memory: 3620kb

input:

10000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.010000000000
0.0100000...

output:

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
...

result:

ok good solution

Test #7:

score: 0
Accepted
time: 2ms
memory: 3620kb

input:

10000
0.000001731921
0.000003463842
0.000005195763
0.000006927684
0.000008659605
0.000010391525
0.000012123446
0.000013855367
0.000015587288
0.000017319209
0.000019051130
0.000020783051
0.000022514972
0.000024246893
0.000025978814
0.000027710735
0.000029442656
0.000031174576
0.000032906497
0.0000346...

output:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
...

result:

ok good solution

Test #8:

score: 0
Accepted
time: 2ms
memory: 3452kb

input:

2
0.447213595500
0.894427191000

output:

1
2

result:

ok good solution

Test #9:

score: 0
Accepted
time: 2ms
memory: 3520kb

input:

2
0.707142137409
0.707071423196

output:

9999
9998

result:

ok good solution

Test #10:

score: 0
Accepted
time: 0ms
memory: 3456kb

input:

2
0.000100000000
0.999999995000

output:

1
10000

result:

ok good solution

Test #11:

score: 0
Accepted
time: 10ms
memory: 3744kb

input:

10000
0.000001000050
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.010000500037
0.0100005...

output:

1
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
10000
1000...

result:

ok good solution

Test #12:

score: 0
Accepted
time: 83ms
memory: 3608kb

input:

10000
0.009999000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.010000000100
0.0100000...

output:

6666
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
6667
...

result:

ok good solution