using System;
namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
int[] A = new int[10];
int s1 = 0, s2 = 1 , s3 = 0;
Random r = new Random();
for (int i = 0; i < 10; i++)
{
A[i] = r.Next(101) - 50;
if (A[i] < 0) s1 += A[i];
else if (A[i] == 0) s3++;
else s2 *= A[i];
Console.Write(A[i]+" ");
}
Console.WriteLine("\nСумма отрицательных элементов: {0}",s1);
Console.WriteLine("Произведение положительных элементов: {0}", s2);
Console.WriteLine("Количество нулевых элементов: {0}", s3);
}
}
}
Исходник прикреплю в закреп, в двух форматах на всякий!!
Объяснение:
#include <iostream>
#include <string>
#include <ctime>
using namespace std;
class Time {
public:
Time()
: m_hours(0), m_minutes(0) {
//TODO
}
Time(short hours, short minutes)
: m_hours(hours), m_minutes(minutes) {
//TODO
}
Time operator-(const Time& time) {
Time tempTime;
tempTime.m_minutes = this->m_minutes - time.m_minutes;
if (tempTime.m_minutes < 0) {
tempTime.m_minutes += 60;
}
tempTime.m_hours = this->m_hours - time.m_hours;
if (tempTime.m_hours < 0) {
tempTime.m_hours += 23;
}
return tempTime;
}
friend std::ostream& operator<<(std::ostream& os, const Time& time);
friend std::istream& operator>>(std::istream& is, Time& time);
short m_hours;
short m_minutes;
};
std::ostream& operator<<(std::ostream& os, const Time& time) {
if (time.m_hours < 10) {
os<< "0";
}
os<< time.m_hours << ":";
if (time.m_minutes < 10) {
os<< "0";
}
os << time.m_minutes;
return os;
}
std::istream& operator>>(std::istream& is, Time& time) {
char delim{ ':' };
is >> time.m_hours >> delim >> time.m_minutes;
if (time.m_hours > 23) {
time.m_hours %= 24;
}
if (time.m_minutes > 59) {
time.m_minutes %= 60;
}
return is;
}
class train
{
public:
string punkt;
int trainNumber;
Time startTime;
train(string punkt1, int trainNumber1, Time startTime1)
{
punkt = punkt1;
trainNumber = trainNumber1;
startTime = startTime1;
}
};
int main()
{
train* arrayOfTrain[5];
for (int i = 0; i < 5; i++)
{
string punkt;
int trainNumber;
Time startTime;
cin >> punkt;
cin >> trainNumber;
cin >> startTime;
arrayOfTrain[i] = new train(punkt, trainNumber, startTime);
}
//Сортировка
for (int i = 0; i < 5 - 1; i++)
for (int j = i + 1; j < 5; j++) {
if (strcmp(arrayOfTrain[i]->punkt.c_str(), arrayOfTrain[j]->punkt.c_str()) > 0)
{
swap(arrayOfTrain[i], arrayOfTrain[j]);
}
}
for (int i = 0; i < 5 - 1; i++)
for (int j = i + 1; j < 5; j++) {
if (strcmp(arrayOfTrain[i]->punkt.c_str(), arrayOfTrain[j]->punkt.c_str()) == 0)
{
if (arrayOfTrain[i]->startTime.m_hours > arrayOfTrain[j] -> startTime.m_hours)
swap(arrayOfTrain[i], arrayOfTrain[j]);
if (arrayOfTrain[i]->startTime.m_hours == arrayOfTrain[j] -> startTime.m_hours)
if (arrayOfTrain[i] -> startTime.m_minutes > arrayOfTrain[j] -> startTime.m_minutes)
swap(arrayOfTrain[i], arrayOfTrain[j]);
}
}
for (int i = 0; i < 5; i++)
{
cout << arrayOfTrain[i]->punkt << " " << arrayOfTrain[i]->trainNumber << " " << arrayOfTrain[i]->startTime << endl;
}
system("pause");
return 0;
}
