Forum Itbox

selen · Posted: Tue Dec 04, 2007 9:23 pm Post subject:

buna seara tuturor!

jolie_jojo · Posted: Tue Dec 04, 2007 9:31 pm Post subject:

Buna Micutzo :kisskiss:

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selen · Posted: Tue Dec 04, 2007 9:32 pm Post subject:

ce faceti? eu cam rau...ma chinui sa inteleg o problema si nu imi iese nik. adio olimpiada...

jolie_jojo · Posted: Tue Dec 04, 2007 9:33 pm Post subject:

Baga problema ... sa ne dam si noi cu presupusul Wink

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selen · Posted: Tue Dec 04, 2007 9:34 pm Post subject:

#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#define InFile "ecuatii.in"
#define OutFile "ecuatii.out"
#define LgMax 300

char s[LgMax],s1[LgMax],s2[LgMax];
int n;
long nr1, nr2, nrx1, nrx2;

void rezolva(char *, long &, long &);

int main()
{
FILE * fin=fopen(InFile,"r");
FILE * fout=fopen(OutFile,"w");
int i;
char *p;

fscanf(fin,"%d", &n);
for (i=0; i<n; i++)
{
fscanf(fin,"%s", s1);
p=strchr(s1,'=');
strcpy(s2,p+1);
*p=NULL;
rezolva(s1, nr1, nrx1);
rezolva(s2, nr2, nrx2);
if (nrx1==nrx2)
if (nr1==nr2)
fprintf(fout,"infinit\n");
else
fprintf(fout,"imposibil\n");
else
fprintf(fout,"%.4lf\n",((double)(nr2-nr1)/(nrx1-nrx2)));

}
fclose(fin);
fclose(fout);
return 0;
}

void rezolva(char *s, long &nr, long &nrx)
{char *p, ss[LgMax];
long v;
int semn=1, l;
strcpy(ss,s);
p=strtok(ss,"+-");
nr=0; nrx=0;
while (p)
{

l=strlen(p);
if (p[0]=='x') nrx+=semn;
else
if (p[l-1]=='x')
{p[l-1]=NULL;
v=atol(p);
nrx=nrx+semn*v;
}
else
{v=atol(p);
nr=nr+semn*v;}
if (s[p+l-ss]=='+')
semn=1;
else
semn=-1;
p=strtok(NULL, "+-");
}
}

LOL

jolie_jojo · Posted: Tue Dec 04, 2007 9:36 pm Post subject:

vb de C++ ??? Rolling Eyes

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selen · Posted: Tue Dec 04, 2007 9:37 pm Post subject:

cam asa ceva LOL

jolie_jojo · Posted: Tue Dec 04, 2007 9:39 pm Post subject:

Si ce nu iese defapt?? Nu ruleaza ce trebuie imediat ce introduci programul?? sau....??
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Hai si tu la discutii in cafenea ! intra pe http://cafenea.itbox.ro