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alexandr402 [8]
3 years ago
5

Write the declaration statement for a two-dimensional array X of integers with five rows and five columns that accepts 25 intege

rs from the user.
Computers and Technology
1 answer:
madreJ [45]3 years ago
5 0

Answer:

int[ ][ ] X = new int[5][5];

It can also be declared and initialized this way:

  int[][] X = {

               {1,2,3,6,8},

               {4, 5, 6, 9},

               {7,5,6,8,9},

               {8,5,8,8,9},

               {10,2,6,8,11},

       };

Explanation:

Above is a declaration of a two-dimensional array that can hold 5*5=25 int values. A java program is given below:

public class JavaTwoD{

   public static void main(String args[ ]) {

       // creating the 5X5 array

       int[ ][ ] X = new int[5][5];

       // looping through the array to add elements

       for (int i = 0; i < X.length; i++) {

           for (int j = 0; j < X[i].length; j++) {

               X[i][j] = i * j;

           }

       }

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<u>Explanation:</u>

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When the increment or decrement operator is placed before the operand (or to the operand's left), the operator is being used in
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3 years ago
Flesh out the body of the print_seconds function so that it prints the total amount of seconds given the hours, minutes, and sec
fiasKO [112]

Answer:

Step by step explanation along with code and output is provided below

Explanation:

#include<iostream>

using namespace std;

// print_seconds function that takes three input arguments hours, mints, and seconds. There are 60*60=3600 seconds in one hour and 60 seconds in a minute. Total seconds will be addition of these three  

void print_seconds(int hours, int mints, int seconds)

{

   int total_seconds= hours*3600 + mints*60 + seconds;

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}

// test code

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int main()

{

   int h,m,s;

   cout<<"enter hours if any or enter 0"<<endl;

   cin>>h;

   cout<<"enter mints if any or enter 0"<<endl;

   cin>>m;

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   cin>>s;

   print_seconds(h,m,s);

  return 0;

}

Output:

enter hours if any or enter 0

2

enter mints if any or enter 0

25

enter seconds if any or enter 0

10

Total seconds are: 8710

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