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Help desparately needed. Everything works fine and output fits with the example, "-0.000" will not appear, but I'm still struggling with WA, so the problem is in something else. Here's the code:

#include <stdio.h>
#include <math.h>
#include <stdlib.h>

struct result
{
double x, y;
};

int compare ...

Sorry, already fixed it.

Hi. Please, help me find a reason for getting constant Wrong Answer!

#include <string.h>
#include <stdio.h>
#include <stdlib.h>

int main ()
{
char line[6], tmp[2];
int ho, mo, sec, speed = 0, i;
float distance = 0, time = 0;
while (scanf("%d:%d:%[0-9 ]", &ho, &mo, line)!=EOF)
{
strncpy(tmp ...