СрочнооооооКрик души информатика

1)
import java.util.Scanner;

public class Main
public static void main(String[] args)
Scanner in = new Scanner(System.in);
int[] a = new int[in.nextInt()];
int sum1 = 0, sum2 = 0;
for (int i = 0; i lt; a.length; i++)
a[i] = in.nextInt();

for (int x : a)
System.out.print(x + " ");

System.out.println();
for (int i = 0; i lt; a.length; i+=2)
sum1+=a[i];
if (i gt;= a.length-2) break;

System.out.println(sum1);
for (int i = 1; i lt; a.length; i+=2)
sum2+=a[i];
if (i gt;= a.length-2) break;

System.out.println(sum2);

2)
import java.util.Scanner;

public class Main
public static void main(String[] args)
Scanner in = new Scanner(System.in);
int[] a = new int[in.nextInt()];
for (int i = 0; i lt; a.length; i++)
a[i] = in.nextInt();

for (int i = (a.length % 2 == 1) ? a.length-1 : a.length-2; i gt;= 0; i-=2)
System.out.print(a[i] + " ");
if (i lt; 2) break;

3)
import java.util.Scanner;

public class Main
public static void main(String[] args)
Scanner in = new Scanner(System.in);
double[] time = new double[in.nextInt()];
double c = 0;
for (int i = 0; i lt; time.length; i++)
time[i] = in.nextDouble();

int i = in.nextInt();
for (int j = 0; j lt; i-1; j++)
c+=time[j];

System.out.println(c);

О проекте

СрочнооооооКрик души информатика

Добро пожаловать!