URI 1007 in C, C++ and in java language || Difference

Main link in URI Online Judge :

Go URI 1007 No Problem

URI Online Judge | 1007

Difference

Adapted by Neilor Tonin, URI  Brazil

Timelimit: 1

Read four integer values named A, B, C and D. Calculate and print the difference of product A and B by the product of C and D (A * B - C * D).

Input

The input file contains 4 integer values.

Output

Print DIFERENCA (DIFFERENCE in Portuguese) with all the capital letters, according to the following example, with a blank space before and after the equal signal.

Input Samples	Output Samples
5 6 7 8	DIFERENCA = -26

0 0 7 8

DIFERENCA = -56

5 6 -7 8

DIFERENCA = 86

Solution in C language :

#include<stdio.h>
int main()
{
 int a, b, c, d;
 scanf("%d%d%d%d", &a, &b, &c, &d);
 printf("DIFERENCA = %d\n", a * b - c * d);


 return 0;
}









Solution in C++ language :






#include<iostream>

using namespace std;



int main()

{

 int a, b, c, d;

 cin >> a >> b >> c >> d;

 cout << "DIFERENCA = " <<a * b - c * d << endl;



 return 0;

}

Solution in Java language : 

import java.util.Scanner;


public class URI_1007 {


 public static void main(String[] args) {
         Scanner input =new Scanner(System.in);
                int a, b, c, d, difference;
         a = input.nextInt();
         b = input.nextInt();
         c = input.nextInt();
         d = input.nextInt();
         difference = a * b - c * d;
  System.out.print("DIFERENCA = "+ difference +"\n");
 }
}

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URI 1007 in C, C++ and java solution is present here. I think there will be no problem to clear the simple differencial problem. If you face any problem to this, you can send us a comment please. We will help you as we can.

URI 1043 Solution in java language || Triangle

View the main link :
https://www.urionlinejudge.com.br/judge/en/problems/view/1043

URI Online Judge | 1043

Triangle

Adapted by Neilor Tonin, URI  Brazil

Timelimit: 1

Read three point floating values (A, B and C) and verify if is possible to make a triangle with them. If it is possible, calculate the perimeter of the triangle and print the message:

Perimetro = XX.X

If it is not possible, calculate the area of the trapezium which basis A and B and C as height, and print the message:

Area = XX.X

Input

The input file has tree floating point numbers.

Output

Print the result with one digit after the decimal point.

Input Sample	Output Sample
6.0 4.0 2.0	Area = 10.0

6.0 4.0 2.1

Perimetro = 12.1

URI 1043 Solution in Java language:

package URI_Problems_solution;

/**

    6.0 4.0 2.0 Area = 10.0

    6.0 4.0 2.1 Perimetro = 12.1



 */

import java.util.Scanner;



public class URI_1043 {



 public static void main(String[] args) {

  float A, B, C, areaTraphisium, perimeterTriangle ;

  

  Scanner input =new Scanner(System.in);

  A = input.nextFloat();

  B = input.nextFloat();

  C = input.nextFloat();

  

  if ((A < (float)(B+C)) && (B < (float)(A+C)) && (C < (float)(B+A))) {

   //Triangle perimeter = a + b + c;

   //Traphisium area is = (a + b)*h/2

   perimeterTriangle = A + B + C;

   System.out.printf("Perimetro = %.1f\n",perimeterTriangle);

  

   

  }else {

   areaTraphisium = ((A + B) * C) / 2;

   System.out.printf("Area = %.1f\n",areaTraphisium);

   }

 }



}

URI 1036 Solution in Java language || Bhaskar's Formula

Go to main link in URI online judge to solve this problem :

GO URI ONLINE JUDGE ---> Problem No : 1036

URI Online Judge | 1036

Bhaskara's Formula

Adapted by Neilor Tonin, URI  Brazil

Timelimit: 1

Read 3 floating-point numbers. After, print the roots of bhaskara’s formula. If it's impossible to calculate the roots because a division by zero or a square root of a negative number, presents the message “Impossivel calcular”.

Input

Read 3 floating-point numbers A, B and C.

Output

Print the result with 5 digits after the decimal point or the message if it is impossible to calculate.

Input Samples	Output Samples
10.0 20.1 5.1	R1 = -0.29788 R2 = -1.71212

0.0 20.0 5.0

Impossivel calcular

10.3 203.0 5.0

R1 = -0.02466 R2 = -19.68408

10.0 3.0 5.0

Impossivel calcular

URI 1036 Solution in java language:

import java.util.Scanner;



//Problem



public class URI_1036 {



 public static void main(String[] args) {

  float A, B, C, R1, R2;

  Scanner input =new Scanner(System.in);

  A = input.nextFloat();

  B = input.nextFloat();

  C = input.nextFloat();

  

  if ((A == 0) || (((B*B) -(4*A*C)) < 0)) {

   System.out.print("Impossivel calcular\n");

  }else {

   R1 =(float) ((-B + Math.sqrt(((B*B) -(4*A*C)))) / (2*A));

   R2 =(float) ((-B - Math.sqrt(((B*B) -(4*A*C)))) / (2*A));

   

   System.out.printf("R1 = %.5f\n", R1);

   System.out.printf("R2 = %.5f\n", R2);

  }

 }

}

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