Решите пожалуйста, НЕ в паскале, а в с++

50)
include lt;iostreamgt;
include lt;stringgt;
using namespace std;
int main()   
 int a,b,c; 
coutlt;lt;"Enter a: "; 
cingt;gt;a; 
 coutlt;lt;"Enter b: "; 
 cingt;gt;b; 
coutlt;lt;"Enter c: "; 
 cingt;gt;c; 
 if ((a == b) amp;amp; (b == c))      
  coutlt;lt;"This triangle is equilateral";     
    
 else if (((a == b) amp; (b != c)) ((a != b) amp;amp; (b == c)) ((b != a) amp;amp; (c == a)))        coutlt;lt;"This triangle is isosceles\n";     
  coutlt;lt;"The perimeter = "lt;lt;a+b+c;   
   


51)
include lt;iostreamgt;
include lt;stringgt;
using namespace std;
int main()
int a,b,sum,pro,diff;
coutlt;lt;"Enter first number:\n";
cingt;gt;a;
coutlt;lt;"Enter second number:\n";
cingt;gt;b;
if (a != b)    
 sum = a+b;   
 pro = a*b;   
if (pro gt; sum)        
 diff = pro-sum;   
    coutlt;lt;"Difference between pro and sum = "lt;lt;diff;