I've been trying to make a program where the input is txt file, and the output will be saved in txt file. But, I keep getting error Message.
My code looks like this:
Code:
#include <stdlib.h>
#include <stdio.h>
int main (){
int i,j;
float H [100][100];
FILE*in;
in=fopen("0.txt","rt");
FILE*out;
out=fopen("rotation0.txt","w");
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