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June 20, 2020 16:36
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using System; | |
namespace ConsoleApp1 | |
{ | |
class Program | |
{ | |
static void Main(string[] args) | |
{ | |
First(); | |
Second(); | |
Third(); | |
Fourth(); | |
} | |
static void First() | |
{ | |
Console.WriteLine("Введите массив чисел через пробел"); | |
string s = Console.ReadLine(); | |
if (s == null || s.Length == 0) return; | |
string[] arr = s.Split(separator: ' '); | |
int[] arr2 = new int[arr.Length]; | |
for (int i = 0; i < arr.Length; i++) | |
{ | |
arr2[i] = int.Parse(arr[i]); | |
} | |
int sum = 0; | |
for (int i = 0; i < arr2.Length - 1; i++) | |
{ | |
sum += arr2[i] * arr2[i + 1]; | |
} | |
Console.WriteLine(sum); | |
} | |
static void Second() | |
{ | |
Console.WriteLine("Введите массив чисел через пробел"); | |
string s = Console.ReadLine(); | |
if (s == null || s.Length == 0) return; | |
string[] arr = s.Split(separator: ' '); | |
int[] arr2 = new int[arr.Length]; | |
for (int i = 0; i < arr.Length; i++) | |
{ | |
arr2[i] = int.Parse(arr[i]); | |
} | |
Console.WriteLine("Введите число"); | |
int n = int.Parse(Console.ReadLine()); | |
int maxIndex = 0; | |
int maxValue = Int32.MinValue; | |
for (int i = 0; i < arr2.Length; i++) | |
{ | |
if (arr2[i] > maxValue) | |
{ | |
maxIndex = i; | |
maxValue = arr2[i]; | |
} | |
} | |
int[] newArr = new int[arr2.Length + 1]; | |
for (int i = 0; i < newArr.Length - 1; i++) | |
{ | |
if (i < maxIndex) | |
{ | |
newArr[i] = arr2[i]; | |
} | |
else | |
{ | |
if (i == maxIndex) | |
{ | |
newArr[i] = arr2[i]; | |
newArr[i + 1] = n; | |
} | |
else | |
{ | |
newArr[i + 1] = arr2[i]; | |
} | |
} | |
} | |
Console.WriteLine(string.Join(' ', newArr)); | |
} | |
static void Third() | |
{ | |
Console.WriteLine("Введите массив чисел через пробел"); | |
string s = Console.ReadLine(); | |
if (s == null || s.Length == 0) return; | |
string[] arr = s.Split(separator: ' '); | |
int[] arr2 = new int[arr.Length]; | |
for (int i = 0; i < arr.Length; i++) | |
{ | |
arr2[i] = int.Parse(arr[i]); | |
} | |
int minIndex = 0; | |
int minValue = Int32.MaxValue; | |
for (int i = 0; i < arr2.Length; i++) | |
{ | |
if (arr2[i] < minValue) | |
{ | |
minIndex = i; | |
minValue = arr2[i]; | |
} | |
} | |
int[] newArr = new int[arr2.Length - 1]; | |
for (int i = 0; i < newArr.Length; i++) | |
{ | |
if (i < minIndex) | |
{ | |
newArr[i] = arr2[i]; | |
} | |
else | |
{ | |
if (i >= minIndex) | |
{ | |
newArr[i] = arr2[i + 1]; | |
} | |
} | |
} | |
Console.WriteLine(string.Join(' ', newArr)); | |
} | |
static void Fourth() | |
{ | |
Console.WriteLine("Введите массив чисел через пробел"); | |
string s = Console.ReadLine(); | |
if (s == null || s.Length == 0) return; | |
string[] arr = s.Split(separator: ' '); | |
int[] arr2 = new int[arr.Length]; | |
for (int i = 0; i < arr.Length; i++) | |
{ | |
arr2[i] = int.Parse(arr[i]); | |
} | |
int minValue = Int32.MaxValue; | |
for (int i = 0; i < arr2.Length; i++) | |
{ | |
if (arr2[i] < minValue) | |
{ | |
minValue = arr2[i]; | |
} | |
} | |
Console.WriteLine(minValue); | |
} | |
} | |
} |
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