Làm thế nào để bạn tìm thấy tỷ lệ phần trăm của một mảng?

Đưa ra một mảng Arr đại diện cho phần trăm thay đổi. Nhiệm vụ là xác định Tỷ lệ phần trăm tăng sau khi các tỷ lệ phần trăm này thay đổi. ví dụ

Input:  arr[] = {10, 20, 30, 10}
Output: Percentage change is = 88.76 %

Input:  arr[] = {20, 15, 9, 7}
Output: Percentage change is = 60.94 %

Giải pháp mà không thay đổi liên tiếp. -

chúng ta hãy lấy một số N = 120. và phần trăm thay đổi được đưa ra là, arr[] = {10, 20, 30, 10} Bây giờ, nếu lần đầu tiên chúng ta tăng 120 lên 10% i. điện tử 120 * 1. 1 Chúng ta lại nhận được N = 132 nếu tăng nó thêm 20% i. e 132 * 1. 2 Chúng tôi nhận được N = 158. 4 lần nữa nếu chúng ta tăng nó lên 30% i. e 158. 4 * 1. 3 Chúng tôi nhận được N = 205. 92 và cuối cùng nếu chúng ta tăng thêm 10% i. e 205. 92 * 1. 1 Chúng tôi nhận được N = 226. 51 Bây giờ, Phần trăm thay đổi = [226. 51 – 120] / 120 = 0. 8876 phần trăm thay đổi = 0. 8876 * 100 = 88. 76 %

Khuyến khích. Vui lòng thử cách tiếp cận của bạn trên {IDE} trước, trước khi chuyển sang giải pháp

Công thức này hoạt động như thế nào? . Sau khi thay đổi A%, giá trị của x trở thành [x + x*A/100] Sau khi thay đổi B% liên tiếp, giá trị của x trở thành [x + x*A/100] + [x + x*A/100]*B/ . Vì vậy, gia tăng giá trị của x là x*[A + B + A*B/100]/100. Về tỷ lệ phần trăm, chúng ta có thể nói rằng giá trị được tăng lên theo [A + B + A*B/100]%. -

  1. Đơn giản, Áp dụng công thức thay đổi liên tiếp giữa mảng[0] và mảng[1] và lưu kết quả vào biến kết quả
  2. Bây giờ, hãy tính toán sự thay đổi liên tiếp giữa kết quả và mảng[2] bằng công thức trên và lưu kết quả vào biến kết quả, v.v.

C++




Percentage change is = 88.76 %
5

Percentage change is = 88.76 %
6

Percentage change is = 88.76 %
7
Percentage change is = 88.76 %
8
Percentage change is = 88.76 %
9

Percentage change is = 88.76 %
0

Percentage change is = 88.76 %
1
Percentage change is = 88.76 %
2
Percentage change is = 88.76 %
0
Percentage change is = 88.76 %
1_______10
Percentage change is = 88.76 %
3

Percentage change is = 88.76 %
4

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
1
Percentage change is = 88.76 %
7

Percentage change is = 88.76 %
0

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
50

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
52

Percentage change is = 88.76 %
0

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
55

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
57
Percentage change is = 88.76 %
1
Percentage change is = 88.76 %
59

Percentage change is = 88.76 %
0

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
62

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
64

Percentage change is = 88.76 %
5
Percentage change is = 88.76 %
66
Percentage change is = 88.76 %
67_______1713
Percentage change is = 88.76 %
714
Percentage change is = 88.76 %
713
Percentage change is = 88.76 %
716
Percentage change is = 88.76 %
670
Percentage change is = 88.76 %
06
Percentage change is = 88.76 %
713
Percentage change is = 88.76 %
720

Cho một mảng arr[] và một số nguyên K, nhiệm vụ là loại bỏ K % phần trăm phần tử mảng khỏi phần tử mảng nhỏ nhất và lớn nhất và tính giá trị trung bình của mảng còn lại

ví dụ

Đầu vào. mảng[] = {6, 2, 7, 5, 1, 2, 0, 3, 10, 2, 5, 0, 5, 5, 0, 8, 7, 6, 8, 0}, K = 5< . 4. 00000
Output: 4.00000
Giải thích.
Mảng có 20 phần tử. Do đó, 5% của 20 là 1. Do đó, 1 trong những phần tử nhỏ nhất [i. e. 0] bị loại bỏ và 1 phần tử trong số các phần tử lớn nhất [i. e. 0] bị xóa. Do đó, giá trị trung bình của mảng còn lại là 18.

Đầu vào. mảng[] = {6, 0, 7, 0, 7, 5, 7, 8, 3, 4, 0, 7, 8, 1, 6, 8, 1, 1, 2, 4}, K = 10< . 4. 31250
Output: 4.31250

Khuyến khích. Vui lòng thử cách tiếp cận của bạn trên {IDE} trước, trước khi chuyển sang giải pháp

Tiếp cận

  1. Sắp xếp mảng arr[]
  2. Tìm kích thước của mảng
  3. Tính phần trăm thứ K của kích thước của mảng
  4. Bây giờ, thêm các phần tử có trong chỉ số K% vào [N – 1] – K%
  5. Cuối cùng, tìm giá trị trung bình của các phần tử đó

Dưới đây là việc thực hiện các phương pháp trên

C++14




Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
0

Percentage change is = 88.76 %
1

Percentage change is = 88.76 %
2

Percentage change is = 88.76 %
3

Percentage change is = 88.76 %
50
Percentage change is = 88.76 %
51____452
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
54
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
56______452
Percentage change is = 88.76 %
58

Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
61

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
65

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
67

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
70

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
72
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
75

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
77
Percentage change is = 88.76 %
78
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
80

 

Percentage change is = 88.76 %
81
Percentage change is = 88.76 %
82

Percentage change is = 88.76 %
81
Percentage change is = 88.76 %
84

Percentage change is = 88.76 %
81
Percentage change is = 88.76 %
86

Percentage change is = 88.76 %
81
Percentage change is = 88.76 %
88
Percentage change is = 88.76 %
89

Percentage change is = 88.76 %
90
Percentage change is = 88.76 %
91

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
93

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
72
Percentage change is = 88.76 %
96

Percentage change is = 88.76 %
97____198

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
00

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
02

Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
06

Percentage change is = 88.76 %
59

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
10

Percentage change is = 88.76 %
11____512

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
15_______516
Percentage change is = 88.76 %
17
Percentage change is = 88.76 %
16
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
03

Java




Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
0

Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
1

Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
505
Percentage change is = 88.76 %
50
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
509
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
512
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
58

_______536____459

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
520

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
527____4528
Percentage change is = 88.76 %
529

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
72
Percentage change is = 88.76 %
532

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
77
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
539
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
541

 

Percentage change is = 88.76 %
542
Percentage change is = 88.76 %
82

Percentage change is = 88.76 %
542
Percentage change is = 88.76 %
84

Percentage change is = 88.76 %
542
Percentage change is = 88.76 %
86

Percentage change is = 88.76 %
542
Percentage change is = 88.76 %
88
Percentage change is = 88.76 %
89

Percentage change is = 88.76 %
81
Percentage change is = 88.76 %
91

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
72
Percentage change is = 88.76 %
557
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
559

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
00

_______160____4563____4564

Percentage change is = 88.76 %
565

Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
03

 

 

Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
04

Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
32
Percentage change is = 88.76 %
505
Percentage change is = 88.76 %
50
Percentage change is = 88.76 %
574

_______536____459

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
579
Percentage change is = 88.76 %
580
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
584
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
588
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
594
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
59_____6
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
581

Percentage change is = 88.76 %
97______4586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
611
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
584
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
580
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
611
Percentage change is = 88.76 %
618
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
620

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
623

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
52
Percentage change is = 88.76 %
626____4586
Percentage change is = 88.76 %
529

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
24

Percentage change is = 88.76 %
36
Percentage change is = 88.76 %
03

Percentage change is = 88.76 %
03

 

Percentage change is = 88.76 %
634

Python3




Percentage change is = 88.76 %
635

 

Percentage change is = 88.76 %
636

Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
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Percentage change is = 88.76 %
640
Percentage change is = 88.76 %
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Percentage change is = 88.76 %
36

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
644

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
646

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
648

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
650

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
652
Percentage change is = 88.76 %
653
Percentage change is = 88.76 %
654
Percentage change is = 88.76 %
655
Percentage change is = 88.76 %
58
Percentage change is = 88.76 %
657
Percentage change is = 88.76 %
528

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
660
Percentage change is = 88.76 %
653
Percentage change is = 88.76 %
540

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
664

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
77
Percentage change is = 88.76 %
667
Percentage change is = 88.76 %
668
Percentage change is = 88.76 %
669
Percentage change is = 88.76 %
670

 

Percentage change is = 88.76 %
81____1672

Percentage change is = 88.76 %
81____1674

Percentage change is = 88.76 %
81____1676

Percentage change is = 88.76 %
81
Percentage change is = 88.76 %
88
Percentage change is = 88.76 %
679
Percentage change is = 88.76 %
653
Percentage change is = 88.76 %
652
Percentage change is = 88.76 %
682
Percentage change is = 88.76 %
683
Percentage change is = 88.76 %
684
Percentage change is = 88.76 %
685

Percentage change is = 88.76 %
90
Percentage change is = 88.76 %
660
Percentage change is = 88.76 %
688
Percentage change is = 88.76 %
653
Percentage change is = 88.76 %
690

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
692

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
694
Percentage change is = 88.76 %
653
Percentage change is = 88.76 %
660
Percentage change is = 88.76 %
657
Percentage change is = 88.76 %
654
Percentage change is = 88.76 %
684
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
655
Percentage change is = 88.76 %
702

 

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
704

Percentage change is = 88.76 %
60
Percentage change is = 88.76 %
706____178
Percentage change is = 88.76 %
708
Percentage change is = 88.76 %
709
Percentage change is = 88.76 %
710

 

Percentage change is = 88.76 %
711

Percentage change is = 88.76 %
712
Percentage change is = 88.76 %
653
Percentage change is = 88.76 %
714
Percentage change is = 88.76 %
580
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
584
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
588
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
594
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
596
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
558
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
586
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
611
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
584
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
580
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
611
Percentage change is = 88.76 %
581
Percentage change is = 88.76 %
540
Percentage change is = 88.76 %
754

Cách tính phần trăm trong mảng trong C?

Tính tổng của tất cả các môn học và lưu trữ tổng = eng + phy + chem + math + comp. Chia tổng của tất cả các môn học cho tổng số môn học để tìm điểm trung bình i. e. trung bình = tổng / 5. Tính phần trăm bằng cách sử dụng phần trăm = [tổng / 500] * 100 . Cuối cùng, in các giá trị kết quả tổng, trung bình và tỷ lệ phần trăm.

Công thức tính tỷ lệ phần trăm là gì?

Để xác định tỷ lệ phần trăm, chúng ta phải chia giá trị cho tổng giá trị rồi nhân kết quả với 100 .

Làm cách nào để tìm tỷ lệ phần trăm của mảng trong JavaScript?

JavaScript. Tính phần trăm của một số .
Giải pháp mẫu. -
Mã HTML.

Chủ Đề