Strings conversion-basic concepts
stoi(//argument) function is used to convert string into int to_string(//argument) function is used to convert int into string Check Aman Dhattarwal's channel for strings
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Hackerrank- Vector Sort problem(solved)
#include < cmath > #include < cstdio > #include < vector > #include < iostream > #include < algorithm > using namespace std; int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */ vector < int > vec; int size; cin>>size; for ( int i= 0 ;i<size;i++) { int a; cin>>a; vec.push_back(a); } sort(vec.begin(),vec.end()); for ( int i= 0 ;i<size;i++) cout<<vec[i]<< " " ; return 0 ; } Hac
Hackerrank C++ class templates problem-(terminated due to timeout)
#include < cmath > #include < cstdio > #include < vector > #include < iostream > #include < algorithm > #include < cassert > using namespace std; /*Write the class AddElements here*/ template < class T> class AddElements{ protected : T obj; public : AddElements(T ob) { obj=ob; } T add(T var) { obj=obj+var; return obj; } T concatenate(T var) { obj=obj+var; return obj; } }; int main () { int n,i; cin >> n; for (i= 0 ;i<n;i++) { string type; cin >> type; if (type== "float" ) { double element1,element2; cin >> element1 >> element2; AddElements< double > myfloat (element1); cout << myfloat.add(element2) << endl; } else if (type == "int" ) { int element1, element2; cin >> element1 >> element2;
Hackerrank-Accessing Inherited Functions problem-Inheritance
#include< iostream > using namespace std; class A { public : A(){ callA = 0 ; } private : int callA; void inc(){ callA++; } protected : void func( int & a) { a = a * 2 ; inc(); } public : int getA(){ return callA; } }; class B { public : B(){ callB = 0 ; } private : int callB; void inc(){ callB++; } protected : void func( int & a) { a = a * 3 ; inc(); } public : int getB(){ return callB; } }; class C { public : C(){ callC = 0 ; } private : int callC; void inc(){ callC++; } protected : void func( int & a) { a =