sorry I didn't make my self clear last time

[negevy]

sorry I didn't make my self clear last time so Im
posting the same question again with another limitation.
Im allowed to use only <stdio.h>
I think that the problem is with the %d.
maybe it will be easier with %s??
but Im not sure how to do it.


I need to check if the user is ,for example, typing a letter insted of a number or that he is typing too many pieces ,for example
if i asked him to Enter an array of size 3 and he by mistake puts 4.
how do I check this?



this is part of the main function only:

#include <stdio.h>
#define max_Size 19
#define max_pieces 10

void main() {
	
	int width[max_pieces], // the array of the pieces' heights
		height[max_pieces], // the array of the pieces' widths
		i, // index
		numH,numW,numP,//heights widths and number of pieces.
		puzzle[361];//the array of the puzzle.
	printf("Enter puzzle height( < 20 ) width( < 20 ) number of pieces( <= 10 )\n");
	scanf("%d%d%d",&numH,&numW,&numP);
	
	while(numH>=20||numW>=20||numP>=10||numH<=0||numW<=0||numP<=0){
		printf("Incorrect input ,try again\n");
		printf("\nEnter puzzle height( < 20 ) width( < 20 ) number of pieces( <= 10 )\n");
		scanf("%d%d%d",&numH,&numW,&numP);
	}//while
	
	printf("Enter array of size %d of piece heights:\n",numP);
	for (i=0; i<numP; i++)
		scanf("%d",&height[i]);
	
	printf("Enter array of size %d of piece widths:\n",numP);
	for (i=0; i<numP; i++)
		scanf("%d",&width[i]);

[nkhambal]

check this

#include <stdio.h>

int main(int argc, char *argv[])
{
	int a,b,c;
	char str[6];
	printf("Enter 3 numbers: ");

	if (scanf("%d %d %d",&a,&b,&c) == 3)
	{
		printf("a = %d, b = %d, c = %d\n",a,b,c);
	} else {
		printf("I said 3 numbers..FOOL !!!\n");
		return 1;
	}

	printf("Enter a string with 5 characters: ");
	
	scanf("%5s",str);
	
	printf("string = %s\n",str);
	
	return 0;
}

Sample output.

D:\CProg>check1
Enter 3 numbers: 1 d v
I said 3 numbers..FOOL !!!

D:\CProg>check1
Enter 3 numbers: 1 2 3
a = 1, b = 2, c = 3
Enter a string with 5 characters: abcdefg
string = abcde

Thanks,