Cat despre prima parte a erori... ce puteti spune?

In file included from /usr/include/c++/3.3/backward/fstream.h:31,
                 from user.cpp:1:
/usr/include/c++/3.3/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <sstream> instead of the deprecated header <strstream.h>. To disable this warning use -Wno-deprecated.

Si acesta e principalul motiv pentru care eu am pierdut si n-am scos nici un punct...

Eeh... c`est la vie!

Alte greseli mai gasiti pe acolo?

PS: Ca ca mearga corect, ar trebui sa decalr de fiecare data "int i"

In program, in functia citeste scrie " a de x de y"

Eroare de compilare:
In file included from /usr/include/c++/3.3/backward/fstream.h:31,
                 from user.cpp:1:
/usr/include/c++/3.3/backward/backward_warning.h:32:2: warning: #warning This file includes at least one deprecated or antiquated header. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substituting the <X> header for the <X.h> header for C++ includes, or <sstream> instead of the deprecated header <strstream.h>. To disable this warning use -Wno-deprecated.
user.cpp: In function `int main()':
user.cpp:20: error: name lookup of `i' changed for new ISO `for' scoping
user.cpp:18: error:   using obsolete binding at `i'
user.cpp:29:2: warning: no newline at end of file
Eroare de compilare

Proababil sunt eu foaaarte greu de cap, dar chiar n-am inteles ce am gresit!
Acesta e programul:

Cod:

#include <fstream.h>

int m,n,r,c,a[100][100],loc;

ifstream f ("elimin.in");
ofstream g ("elimin.out");

void citeste()
{f>>m>>n>>r>>c;
for (int x=0;x<m;x++) 
  for (int y=0;y<n;y++) 
    f>>a[x][y];
}

void elimlin()
{int suma=0;
for (int j=0;j<n;j++)
  suma=suma+a[0][j];
int minim=suma;
for (int i=0;i<m;i++)
  {suma=0;
   for (j=0;j<n;j++)
	 suma=suma+a[i][j];
   if (suma>=0)
	 if (suma<=minim) {minim=suma;loc=i;}
  }
for (i=loc;i<m-1;i++)
  for (j=0;j<n;j++)
	a[i][j]=a[i+1][j];
m--;
}

void elimcol()
{int suma=0;
for (int j=0;j<m;j++)
  suma=suma+a[j][0];
int minim=suma;
for (int i=0;i<m;i++)
  {suma=0;
   for (j=0;j<n;j++)
	 suma=suma+a[j][i];
   if (suma>=0)
	 if (suma<=minim) {minim=suma;loc=i;}
  }
for (i=loc;i<n-1;i++)
  for (j=0;j<m;j++)
	a[j][i]=a[j][i+1];
n--;
}



int main()
{citeste();
for (int i=0;i<r;i++) elimlin();
for (i=0;i<c;i++) elimcol();
int suma=0;
for (i=0;i<m;i++)
 for (int j=0;j<n;j++)
  suma=suma+a[i][j];
g<<suma;
return 0;
  }

Nu ma intereseaza faptul ca programul isi indeplineste sau nu cerintele... vreau sa stiu ce am gresit, pentru a nu mai repeta greseala [de compilare]!