Monday, July 04, 2016

URI Online Judge Solution : 1012 Area (Beginner Problem)

Posted by LIfe2Coding on Monday, July 04, 2016 in | No comments

URI Online Judge | 1012

Area

Adapted by Neilor Tonin, URI  Brazil
Timelimit: 1
Make a program that reads three floating point values: A, B and C. Then, calculate and show:
a) the area of the rectangled triangle that has base A and height C.
b) the area of the radius's circle C. (pi = 3.14159)
c) the area of the trapezium which has A and B by base, and C by height.
d) the area of ​​the square that has side B.
e) the area of the rectangle that has sides A and B.

Input

The input file contains three double values with one digit after the decimal point.

Output

The output file must contain 5 lines of data. Each line corresponds to one of the areas described above, always with a corresponding message (in Portuguese) and one space between the two points and the value. The value calculated must be presented with 3 digits after the decimal point.
Input SamplesOutput Samples
3.0 4.0 5.2TRIANGULO: 7.800
CIRCULO: 84.949
TRAPEZIO: 18.200
QUADRADO: 16.000
RETANGULO: 12.000
12.7 10.4 15.2TRIANGULO: 96.520
CIRCULO: 725.833
TRAPEZIO´: 175.560
QUADRADO: 108.160
RETANGULO: 132.080

Solution


#include<stdio.h>
#define PI 3.14159

int main()
{
	float A, B, C;

	scanf("%f %f %f", &A, &B, &C);
	printf("TRIANGULO: %.3f\n", 0.5*A*C);
	printf("CIRCULO: %.3f\n", PI*C*C);
	printf("TRAPEZIO: %.3f\n", ((A+B)/2)*C);
	printf("QUADRADO: %.3f\n", B*B);
	printf("RETANGULO: %.3f\n", A*B);

	return 0;
}

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