Pascal

C++

var f1,f2:text;

assign(f1,'input.dat');

reset(f1);

read(f1,...);

close(f1);

assign(f2,'output.dat');

rewite(f2);

write(f2,...);

close(f2);

#include <fstream.h>

void main()

{

ifstream inp;inp.open("input.dat");

int a,b,c;

inp>>a>>b;

inp.close();

c=a+b;

ofstream out;out.open("output.sol");

out<<c;

out.close();

}

assign(input,'input.dat');

reset(input);

read(...);

close(input);

assign(output,'output.dat');

rewite(output);

write(...);

close(output);

#include <fstream.h>

ifstream inp("input.dat");

ofstream out("output.sol");

void main()

{

int a,b,c;

inp>>a>>b;

c=a+b;

out<<c;

}