This code is supposed to print all the numbers from a text file...but for some unknown reason, it is only printing the last pair.
#include<stdio.h>
int main()
{
freopen("in.txt", "r", stdin);
int result=0, column=0, row =0;
while(scanf("%d %d", &row, &column) != EOF);
{
printf("%d %d", row, column);
}
return 0;
}
or
while(scanf("%d %d", &row, &column) == 2);
inside the in.txt file:
-----------------------------------------------------------
4 9
6 7
4 1
-----------------------------------------------------------
the output is
4 1
but others numbers are not showing.
but when i change the line like this,
while(scanf("%d %d", &row, &column) == EOF);
while(scanf("%d %d", &row, &column) != 2);
then it prints the first pair.
4 9
How come scanf encounter EOF at the end of the first row?
How to print all the pairs?