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AlexanderRavikovich on 11/18/11

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# Programm that take 3 numbers from user between 20 and 48, and print weight of each number

/ Published in: C Save to your folder(s) In ths program i also check for wrong numbers, and prevent entering equal numbers.

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`#include <stdio.h> void main(){	// Progamm 1	// initializing variables	int unum1=0, unum2=0, unum3=0, index=0, large=0, medium=0, small=0; 	/* Ask to enter first number, with validating */	do	{		/* If we ask for 1st time, print request */		if (!index)		{			printf("Enter first number between 20 and 48:\n");		}		/* Put entered number in variable unum1 */		scanf("%d", &unum1);		/* If unum1 is not in condition, say to user enter another bumber */		if (!(unum1 > 20 && unum1 < 48))		{			printf("Your number is wrong. Try again:\n");		}		/* Set index to 1, to avoid repeating line "Enter first number between 20 and 48" */		index=1;	}	while (!(unum1 > 20 && unum1 < 48)); /* <----- till entered number is not in condition, run code in do {} */ 	/* Set index to 0, to use this variable again for next valdating loop */	index = 0; 	/* Ask to enter second number, with validating.	Code is almost as previous, only now for second number */	do	{		if (!index)		{			printf("Enter second number between 20 and 48:\n");		} 		scanf("%d", &unum2); 		if (!(unum2 > 20 && unum2 < 48))		{			printf("Your number is wrong. Try again:\n");		}		/* If entered number is equal to first number, say to user enter another number */		else if (unum2 == unum1)		{			printf("Enter different number from previous:\n");		} 		index=1;	}	while (!(unum2 > 20 && unum2 < 48) || unum2==unum1); /* I added check for preventing entering the same numbers */ 	/* Set index to 0,to use this variable again for next valdating loop */	index=0;	/* Ask to enter third number, with validating.	Code is almost as previous two,	only now for third number */	do	{		if (!index)		{			printf("Enter third number between 20 and 48:\n");		} 		scanf("%d", &unum3); 		if (!(unum3 > 20 && unum3 < 48))		{			printf("Your number is wrong. Try again:\n");		}		/* If entered number is equal to first or second number, say to user enter another number */		else if (unum3 == unum1 || unum3 == unum2)		{			printf("Enter different number from two previous:\n");		} 		index=1;	}	while (!(unum3 > 20 && unum3 < 48) || (unum3 == unum1 || unum3 == unum2)); /* Check for preventing entering the same numbers as unum1 and unum2 */ 	/* When we know that all three number is in our condition,	write code for printing large, medium and small number.	*/ 	/* If 1st number larger them 2nd and 3rd, the 1st number is LARGE */	if (unum1 > unum2 && unum1 > unum3)	{		/* Set variable "large" = unum1; */		large = unum1;		/* If 3rd number smaller than 2nd number, 3rd number is SMALL, and 2st number is MEDIUM */		if (unum3 < unum2)		{			medium = unum2;			small = unum3;		}		/* If 3rd number is large than 2nd number, 3rd number is MEDIUM, and 2st number is SMALL */		else		{			medium = unum3;			small = unum2;		}	} 	/* If 2nd number larger them 1st and 3rd, the 2st number is LARGE */	if (unum2 > unum1 && unum2 > unum3)	{		large = unum2;		if (unum3 < unum1)		{			medium = unum1;			small = unum3;		}		else		{			medium = unum3;			small = unum1;		}	} 	/* If 3rd number larger them 1st and 2nd, the 3rd number is LARGE */	if (unum3 > unum1 && unum3 > unum2)	{		large = unum3;		if (unum1 < unum2)		{			medium = unum2;			small = unum1;		}		else		{			medium = unum1;			small = unum2;		}	} 	/* Printing result */	printf("%d - is Large\n%d - is Medium\n%d - is Small\n", large, medium, small);}` Subscribe to comments