%d actually is used for printing int. Historically the d stood for “decimal”, to contrast with o for octal and x for hexadecimal. For printing double you should use %e, %f or %g. Using the wrong format specifier causes undefined behaviour which means anything may happen, including unexpected results. 5 solved a is a double, … Read more
Here’s a working code: #include <stdio.h> int main () { char x[100] = {0}; char m; int i, j; printf (“Type:\n”); for (i=0; i<99; i++) { m = getchar(); getchar(); if ((m != ‘ ‘) && (m != ‘\n’)) { x[i] = m; } else { printf (“Breaking.”); break; } } printf (“\n”); for (j=0; … Read more
I can only answer the question indirectly, because I didn’t start looking into the actual problem until after I had cleaned the code up a little bit – but now I don’t get the error. So, the answer is: clean up the code and it’ll probably work as expected. I’ve kept saving the result in … Read more
You can reduce the overhead of file I/O by writing to the file in large blocks to reduce the number of individual write operations. #define CHUNK_SIZE 4096 char file_buffer[CHUNK_SIZE + 64] ; // 4Kb buffer, plus enough // for at least one one line int buffer_count = 0 ; int i = 0 ; while( … Read more