Answer / urja pandya

#include<stdio.h>
#include<conio.h>
float triangle (float b, float h)
{
float result;
result=(b*h)/2;
return(result);
}
void main()
{
clrscr();
float a,b,ans;
printf(“Enter the Base of Triangle: “);
scanf(“%f”,&a);
printf(“Enter the Height of Triangle: “);
scanf(“%f”,&b);
ans=triangle(a,b);
printf(“Area of Triangle is %f”,ans);
getch();
}

Answer / gajendra patil

#include <stdio.h>
#include <math.h>
float tarea(int a,int b,int c){
int cond1=0,cond2=0;
float s,area;
if((a > 0.0) && (b > 0.0) && (c > 0.0)){
cond1 = 1;
}
if((a+b > c) && (a+c > b) && (b+c > a)){
cond2 = 1;
}
if(cond1 && cond2){
s=(a+b+c)/2.0;
area= (sqrt(s*(s-a)*(s-b)*(s-c)));
printf("=================================\n");
printf("AREA OF TRIANGLE IS [ %f ]\n",area);
printf("=================================\n");

}else
printf("\nERROR: This is not a triangle!\n");
};

int main(){
int a,b,c;
float area;
printf("\nArea of Triangle");
printf("\n-------------------------\n");
printf("Enter three sides: \n");
printf("\nEnter size for a: ");
scanf("%d",&a);
printf("\nEnter size for b: ");
scanf("%d",&b);
printf("\nEnter size for c: ");
scanf("%d",&c);
tarea(a,b,c);

return 0;
}

I use turbo C which allocates 2 bytes for integers and 4 bytes for long. I tried to declare array of size 500000 of long type using the following code... long *arr; arr=(long *)(malloc)(500000 * sizeof(long)); It gives a warning that "Conversion may lose significant digits in function main"... And the resulting array size was very less around 8400 as compared to 500000. Any suggestions will be welcomed....

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