infoarena

while x<>1 do
begin
       while x mod p[j] = 0 do
       begin
              x:=x div p[j];
              inc(a[j]);
       end;
       inc(j);
end;

k=2;
r=0;
while(n%k==0)  {++r; n/=k;}
prelucrez(k,r); //k apare la puterea r
k=3;
while(k*k<=n)
    {
    r=0;
    while(n%k==0) { ++r, n/=k; } 
    prelucrez(k,r);  //k apare la puterea r
    k+=2;
    }
if(n>1) 
   {
   //numarul n-ramas , este prim=> apare la puterea 1
   prelucrez(n,1).
   }

...

G:\toni\probleme>gcc -Wall -W exp.c

G:\toni\probleme>gnuc -Wall -W exp.c

G:\toni\probleme>cl exp.c
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 14.00.50727.42 for 80x86
Copyright (C) Microsoft Corporation.  All rights reserved.

exp.c
exp.c(16) : warning C4996: 'scanf' was declared deprecated
        C:\Program Files\Microsoft Visual Studio 8\VC\INCLUDE\stdio.h(295) : see
 declaration of 'scanf'
        Message: 'This function or variable may be unsafe. Consider using scanf_
s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online help
 for details.'
exp.c(17) : warning C4996: 'scanf' was declared deprecated
        C:\Program Files\Microsoft Visual Studio 8\VC\INCLUDE\stdio.h(295) : see
 declaration of 'scanf'
        Message: 'This function or variable may be unsafe. Consider using scanf_
s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online help
 for details.'
exp.c(19) : warning C4996: 'scanf' was declared deprecated
        C:\Program Files\Microsoft Visual Studio 8\VC\INCLUDE\stdio.h(295) : see
 declaration of 'scanf'
        Message: 'This function or variable may be unsafe. Consider using scanf_
s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online help
 for details.'
exp.c(82) : warning C4996: 'freopen' was declared deprecated
        C:\Program Files\Microsoft Visual Studio 8\VC\INCLUDE\stdio.h(245) : see
 declaration of 'freopen'
        Message: 'This function or variable may be unsafe. Consider using freope
n_s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online he
lp for details.'
exp.c(83) : warning C4996: 'freopen' was declared deprecated
        C:\Program Files\Microsoft Visual Studio 8\VC\INCLUDE\stdio.h(245) : see
 declaration of 'freopen'
        Message: 'This function or variable may be unsafe. Consider using freope
n_s instead. To disable deprecation, use _CRT_SECURE_NO_DEPRECATE. See online he
lp for details.'
Microsoft (R) Incremental Linker Version 8.00.50727.42
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:exp.exe
exp.obj

TONY@tony ~$ gcc -Wall -W exp.c
TONY@tony ~$

...

for (i=1;i<=k;i++)
	if (w[i]%m!=0)
   	{
		fprintf (g, "0\n");
		return 0;
	}
fprintf(g, "1\n");
for (i=1;i<=k;i++)
  	if (w[i])
  		fprintf(g, "%ld %ld\n", z[i], w[i]/m);
fcloseall();
return 0;
}

for(int i = 0; prime[i] * prime[i] <= number; i++){
    while(number % prime[i] == 0){
        factor[prime[i]]++;
        number /= prime[i];
    }
}

while(number % 2 == 0){
    factor[2]++;
    number /= 2;
}
for(int i = 3; i * i <= number; i += 2){
    while(number % i == 0){
        factor[i]++;
        number /= i;
    }
}