i dont no why it is wrong

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when i run this program it show me the answer is -584635613 ?

// control proje 3.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include<iostream>
using namespace std ;

int main()
{
	int t[100][100] ;
	int n ;
	int i , j ;
	int s = 0 ;

	cout << "enter the n " << endl ;
	cin >> n ;

	for( i = 0 ; i < n ; i++ )
	{
		for( j = 0 ; j < n ; j++ )
		{
			cin >> t[i][j] ;
		}
	}

	if( t[i][j] != 0 )
	{
		cout << t[i][j];
	}


	return 0;
}

Posted 30-Jun-11 23:20pm

yay hello

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Christian Graus · Answer 1 · 2011-06-30T23:23:00

There's no 'answer'. You create an array of numbers. You then show a value. Here's how it works. You create an array. It's full of random numbers. Then you accept a number, the number of values to accept. Say you entered 5. Now, the first loop starts. i is 0. So, you accept a number. It loops. When i is 5, your loop ends. You have 5 values stored, in index 0, 1, 2, 3 and 4. The value you show, is the value in location 5, which you never set, so it is a random number.

What are you trying to show ?

Timberbird · Answer 2 · 2011-06-30T23:28:00

Solution 2

Your i and j are both equal to n after the for cycles. Set them to values within your arrays' bounds: [0; n-1]

Posted 30-Jun-11 23:28pm

Timberbird

Comments

Christian Graus 1-Jul-11 5:31am

Yes, that's kind of what I said. But, he refers to the 'answer' so there's more going on here. He obviously is expecting something to happen which is not reflected in his code at all, like an attempt to create a sum or something.

Timberbird 1-Jul-11 5:47am

Absolutely, it just took me too long to write an answer (distracted a bit), so I couldn't see the question has already been answered. Your answer is much more thorough - I'd only add the 'random numbers' in array are actually the content of memory in the moment of allocation

XieQunQun · Answer 3 · 2011-06-30T23:32:00

Solution 3

hi yay !
Christian Graus had told you the problems in you program! you should try to remeber that if you going to declare array in you program then you should initialize it or the array1`s element will have random values!

Posted 30-Jun-11 23:32pm

XieQunQun