Question List Related To The Topic: "c++ Programming"



Last Updated: 21 September, 2021

How to merge lists c++ (C++ Programming Language)


Answer: 1 // list::merge 2 #include 3 #include 4 ​ 5 // compare only integral part: 6 bool mycomparison ( double first , double second ) 7 { return ( int ( first ) int ( second ) ); } 8 ​ 9 int main () 10 { 11 std :: list double > first , second ; 12 ​ 13 first . push_back ( 3.1 ); 14 first . push_back ( 2... Know More


How to c++ isalphanum (C++ Programming Language)


Answer: 1 string test = Ab4 : ; 2 std :: isalnum ( test [ 0 ]); //true 3 std :: isalnum ( test [ 1 ]); //true 4 std :: isalnum ( test [ 2 ]); //true 5 std :: isalnum ( test [ 3 ]); //false 6 std :: isalnum ( test [ 4 ]); //false Source: Code Grepper.... Know More


How to road repair hackerrank problem solving solution github (C++ Programming Language)


Answer: 1 #include 2 #include 3 #include 4 #include 5 #include 6 using namespace std ; 7 ​ 8 typedef pair int , int > pii ; 9 #define REP(i, n) for (int i = 0; i 10 #define fi first 11 #define mp make_pair 12 #define pb push_back 13 #define se second 14 ​ 15 int ri () 16 { 17 int x ; 18 scanf ( "%d" , & x ).. Know More


How to c++ rand include (C++ Programming Language)


Answer: 1 #include Source: Code Grepper.... Know More


How to fcatorianls c++ (C++ Programming Language)


Answer: 1 #include 2 ​ 3 //n! = n(n-1)! 4 int factorial ( int n ) 5 { 6 if ( n == 0 ) 7 { 8 return 1 ; 9 } 10 else 11 { 12 return n * factorial ( n - 1 ); 13 } 14 } Source: Code Grepper.... Know More


How to how to add and read a file in c++ in visual studio (C++ Programming Language)


Answer: 1 #include 2 #include 3 #include 4 #include 5 ​ 6 using namespace std ; 7 ​ 8 int main () { 9 ​ 10 string input ; 11 fstream file ; 12 char ch ; 13 ​ 14 ​ 15 cout "Please enter the file name. " ; 16 cin >> input ; 17 ​ 18 file . open ( input , ios :: in ); 19 ​ 20 if ( file ) { 21 ​ 22 file . get ( .. Know More


How to how to compare strings in c++ (C++ Programming Language)


Answer: 1 // comparing apples with apples 2 #include 3 #include 4 ​ 5 int main () 6 { 7 std :: string str1 ( "green apple" ); 8 std :: string str2 ( "red apple" ); 9 ​ 10 if ( str1 . compare ( str2 ) != 0 ) 11 std :: cout str1 " is not " str2 '\n' ; 12 ​ 13 if ( str1 . compare ( 6 , 5 , "apple" ) == 0 ) 14 .. Know More


How to c++ vector fill (C++ Programming Language)


Answer: 1 #include 2 #include 3   4 std :: fill ( v . begin (), v . end (), value ); Source: Code Grepper.... Know More


How to erase an element from vector c++ (C++ Programming Language)


Answer: 1 #include 2 using namespace std ; 3 int main (){ 4 vector int > v ; 5 //Insert values 1 to 10 6 v . push_back ( 20 ); 7 v . push_back ( 10 ); 8 v . push_back ( 30 ); 9 v . push_back ( 20 ); 10 v . push_back ( 40 ); 11 v . push_back ( 20 ); 12 v . push_back ( 10 ); 13 ​ 14 vector int > :: iterator n.. Know More


How to how to allocate on heap in c++ (C++ Programming Language)


Answer: 1 #include 2 #include 3 ​ 4 using String = std :: string ; 5 class Entity 6 { 7 private : 8 String m_Name ; 9 public : 10 Entity () : m_Name ( "Unknown" ) {} 11 Entity ( const String & name ) : m_Name ( name ) {} 12 const String & GetName () const { 13 return m_Name ; 14 }; 15 }; 16 int main () { 17.. Know More


How to c++ convert to c online (C++ Programming Language)


Answer: 1 // C++ program to generate all possible 2 // valid IP addresses from given string 3 #include 4 using namespace std ; 5 ​ 6 // Function checks whether IP digits 7 // are valid or not. 8 int is_valid ( string ip ) 9 { 10 // Splitting by "." 11 vector string > ips ; 12 string ex = "" ; 13 for ( int i.. Know More


How to turbo sort codechef solution (C++ Programming Language)


Answer: 1 #include 2 #include 3 using namespace std ; 4 ​ 5 int main () { 6 // your code goes here 7 int number ; 8 cin >> number ; //input no. of elements 9 int arr [ number ]; //defining array with size of no. of elements 10 for ( int i = 0 ; i number ; i ++ ) { //Loop to insert values into array 11 cin >.. Know More


How to can you chnage the address of a pointer (C++ Programming Language)


Answer: 1 No you can not change the address of a pointer but you can change its value . Source: Code Grepper.... Know More


How to c++ vector average (C++ Programming Language)


Answer: 1 double avg1 ( std :: vector int > const & v ) { 2 return 1.0 * std :: accumulate ( v . begin (), v . end (), 0 LL ) / v . size (); 3 } 4 ​ Source: Code Grepper.... Know More


How to how to find vowal and consonent of a string in c++ (C++ Programming Language)


Answer: 1 #include 2 using namespace std ; 3 ​ 4 int main () 5 { 6 char line [ 150 ]; 7 int vowels , consonants , digits , spaces ; 8 ​ 9 vowels = consonants = digits = spaces = 0 ; 10 ​ 11 cout "Enter a line of string: " ; 12 cin . getline ( line , 150 ); 13 for ( int i = 0 ; line [ i ] != '\0' ; ++ i ) 14.. Know More


How to com fazer a raiz quadrada em c++ (C++ Programming Language)


Answer: 1 #include 2 #include 3 #include 4 ​ 5 /* 6 square root of a number 7 */ 8 ​ 9 int main (){ 10 float num , raiz ; 11 printf ( "enter a number: \t" ); 12 scanf ( "%f" , & num ); 13 raiz = sqrt ( num ); 14 printf ( "The square root of %f is: %f.\n" , num , raiz ); 15 system ( "pause" ); 16 return 0 ; .. Know More


How to defining class in other file in c++ (C++ Programming Language)


Answer: 1 //ClassOne.hpp: 2 ​ 3 class ClassOne 4 { 5 public : 6 ClassOne (); // note, no function body 7 int method (); // no body here either 8 private : 9 int member ; 10 }; 11 //ClassOne.cpp: 12 ​ 13 #include "ClassOne.hpp" 14 ​ 15 // implementation of constructor 16 ClassOne :: ClassOne () 17 : member (.. Know More


How to How to find the suarray with maximum sum using divide and conquer (C++ Programming Language)


Answer: 1 #include 2 #include 3   4 // Utility function to find maximum of two numbers 5 int max ( int x , int y ) { 6      return ( x > y ) ? x : y ; 7 } 8   9 // Function to find maximum subarray sum using divide and conquer 10 int maximum_sum ( int A [], int low , int high ) 11 { 12      // If array cont.. Know More


How to cpp tutorial (C++ Programming Language)


Answer: 1 return_type function_name ( parameter list ); 2 ​ Source: Code Grepper.... Know More


How to basic data types in c++ hackerrank solution (C++ Programming Language)


Answer: 1 #include 2 using std :: cin ; 3 using std :: cout ; 4 using std :: endl ; 5 using std :: fixed ; 6 ​ 7 int main () { 8 int a ; long b ; char c ; float d ; double e ; 9 cin >> a >> b >> c >> d >> e ; 10 cout a endl ; 11 cout b endl ; 12 cout c endl ; 13 cout . precision ( 3 ); 14 cout fixed d endl .. Know More


How to convert binary to decimal c++ stl (C++ Programming Language)


Answer: 1 string bin_string = 10101010 ; 2 int number = 0 ; 3 number = stoi ( bin_string , 0 , 2 ); 4 // number = 170 Source: Code Grepper.... Know More


How to ue4 array copy c++ (C++ Programming Language)


Answer: 1 // Array copy with UE 2 TArray AActor *> SourceArray ; 3 // copy SourceArray to DestArray 4 TArray AActor *> DestArray ( SourceArray ); Source: Code Grepper.... Know More


How to convert stirng to int c++ (C++ Programming Language)


Answer: 1 int thing = std :: stoi ( string ); Source: Code Grepper.... Know More


How to get ascii value of string in C++ (C++ Programming Language)


Answer: 1 int main () 2 { 3 char * s = hello ; 4 while ( * s != '\0' ) 5 { 6 printf ( %c --> %d\n , * s , * s ); 7 s ++ ; 8 } 9 return 0 ; 10 } Source: Code Grepper.... Know More


How to make an x using asterisk c++ (C++ Programming Language)


Answer: 1 //This is one that will involve user input to create an "X" using 2 //Asterisks. 3 ​ 4 #include 5 using namespace std ; 6 int main () { 7 int size ; 8 9 cout "This is where you ask for size: " ; 10 cin >> size ; 11 12 for ( int i = 1 ; i size ; i ++ ) { 13 for ( int j = 1 ; j size ; j ++ ) { 14 if.. Know More


How to ordine crescente senza vettori in c++ (C++ Programming Language)


Answer: 1 ordine crescente senza vettori in c ++ 2 Source: Code Grepper.... Know More


How to kwakiutl tribe artifacts (C++ Programming Language)


Answer: 1 //bruh y u ask grepper?? Source: Code Grepper.... Know More


How to memcpy library cpp (C++ Programming Language)


Answer: 1 #include Source: Code Grepper.... Know More


How to main bigint (C++ Programming Language)


Answer: 1 #include"Bigint.hpp" 2 #include"Command.hpp" 3 #include 4 #include 5 #include 6 int main () 7 { 8 try 9 { 10 Bigint list1 ; 11 Bigint list2 ; 12 std :: string userinput ; 13 std :: cout "Please enter the first integer: " ; // ===>>> Bigint 1 14 std :: cin >> list1 ; 15 std :: cout "Please enter th.. Know More


How to convert characters to lowercase c++ (C++ Programming Language)


Answer: 1 str [ i ] = tolower ( str [ i ]); Source: Code Grepper.... Know More


How to c++ length of int (C++ Programming Language)


Answer: 1 unsigned int number_of_digits = 0 ; 2 ​ 3 do { 4 ++ number_of_digits ; 5 n /= base ; 6 } while ( n ); Source: Code Grepper.... Know More


How to eosio multi index secondary index (C++ Programming Language)


Answer: 1 voting :: identity_index identities ( _self , _self . value ); 2 auto idx = identities . get_index byhash _n > (); 3 auto itr = idx . find ( out ); 4 eosio_assert ( itr == identities . end (), User already registered to vote! ); Source: Code Grepper.... Know More


How to google pdf iframe viwer (C++ Programming Language)


Answer: 1 iframe src = https://docs.google.com/gview?url={magical url that works} > /iframe> Source: Code Grepper.... Know More


How to inbuilt function for bin to dec in c++ (C++ Programming Language)


Answer: 1 #include 2 using namespace std ; 3 ​ 4 int main ( void ){ 5 bitset 8 > bits ( "1000" ); 6 int ab = bits . to_ulong (); 7 cout ab "\n" ; 8 9 return 0 ; 10 } Source: Code Grepper.... Know More


How to check if the given string is a number (C++ Programming Language)


Answer: 1 //Add this to your code and call 2 static private boolean isMyNumber ( String s ){ 3 try { 4 Integer . parseInt ( s ); 5 return true ; 6 } catch ( Exception e ){ 7 return false ; 8 } 9 } Source: Code Grepper.... Know More


How to inheritance (C++ Programming Language)


Answer: 1 it is used to define relationship between two class , 2 which a child class occurs all the properties and behaviours of a parent class . 3 Provides code reusability . 4 Ex : in my framework I have a TestBase class which I store 5 all my reusable code and methods . My test execution classes and 6 e.. Know More


How to c++ compile to msi (C++ Programming Language)


Answer: 1 int main () 2 { 3 int a1 [ 5 ] = { 1 , 2 , 3 , 4 , 5 }; 4 int a2 [ 3 ]; 5 int i = 0 ; 6 int n = 3 ; 7 for (; i n ; i ++ ) 8 { 9 a2 [ i ] = a1 [ i ]; 10 } 11 } Source: Code Grepper.... Know More


How to what is unordered_set in c++ (C++ Programming Language)


Answer: 1 The structure unordered_set uses hashing , and its operations work in O ( 1 ) time 2 on average . Source: Code Grepper.... Know More


How to currency converter for c++ (C++ Programming Language)


Answer: 1 #include 2 ​ 3 using namespace std ; 4 ​ 5 int main (){ 6 ​ 7 string currency ; 8 ​ 9 string currency2 ; 10 ​ 11 double amount ; 12 ​ 13 double amount2 ; 14 ​ 15 cout "What currency would you like to convert? \n" ; 16 ​ 17 cout "The currencies are: Rupees, Dollars, Pesos, and Euros. \n" ; 18 ​ 19 .. Know More


How to resizing dynamic array c++ (C++ Programming Language)


Answer: 1 void resize () { 2 size_t newSize = size * 2 ; 3 int * newArr = new int [ newSize ]; 4 ​ 5 memcpy ( newArr , arr , size * sizeof ( int ) ); 6 ​ 7 size = newSize ; 8 delete [] arr ; 9 arr = newArr ; 10 } 11 ​ Source: Code Grepper.... Know More


How to inverted triangle c++ (C++ Programming Language)


Answer: 1 ***** 2 **** 3 *** 4 ** 5 * Source: Code Grepper.... Know More


How to c++ generate random numbers (C++ Programming Language)


Answer: 1 #include 2 #include 3 #include 4 using namespace std ; 5 ​ 6 int main () 7 { 8 srand ( time ( 0 )); 9 ​ 10 for ( int i = 0 ; i 10 ; i ++ ) 11 { 12 cout rand () % 10 " " ; 13 } 14 } 15 ​ Source: Code Grepper.... Know More


How to run c++ in command prompt windows (C++ Programming Language)


Answer: 1 /* Run C++ in cmd */ 2 1. Download , install the compilerand and edit Environment Variables . 3 4 2. Type the C / C ++ program and save it . 5 6 3. Open the command line and change directory to the particular one where 7 the source file is stored 8 ​ 9 4. To compile , type in the command prompt : .. Know More


How to what are singleton classes c++ (C++ Programming Language)


Answer: 1 #include 2 ​ 3 using namespace std ; 4 ​ 5 class Singleton { 6     static Singleton * instance ; 7     int data ; 8   9     // Private constructor so that no objects can be created. 10     Singleton () { 11       data = 0 ; 12    } 13 ​ 14     public : 15     static Singleton * getInstance () { 16.. Know More


How to Heap sort in c++ (C++ Programming Language)


Answer: 1 #include 2 3 using namespace std ; 4 5 ​ 6 void heapify ( int arr [], int n , int i ) 7 { 8 int largest = i ; 9 int l = 2 * i + 1 ; 10 int r = 2 * i + 2 ; 11 12 13 if ( l n && arr [ l ] > arr [ largest ]) 14 largest = l ; 15 16 17 if ( r n && arr [ r ] > arr [ largest ]) 18 largest = r ; 19 20 21 .. Know More


How to n=sizeof(arr)/sizeof(arr+1); (C++ Programming Language)


Answer: 1 n = sizeof ( arr ) / sizeof ( arr + 1 ); Source: Code Grepper.... Know More


How to check if char in string c++ (C++ Programming Language)


Answer: 1 std :: string s = hell[o ; 2 if ( s . find ( '[' ) != std :: string :: npos ) 3 ; // found 4 else 5 ; // Source: Code Grepper.... Know More


How to c++ convert lowercase to uppercase (C++ Programming Language)


Answer: 1 /* toupper example */ 2 #include 3 #include 4 int main () 5 { 6 int i = 0 ; 7 char str [] = "Test String.\n" ; 8 char c ; 9 while ( str [ i ]) 10 { 11 c = str [ i ]; 12 putchar ( toupper ( c )); 13 i ++ ; 14 } 15 return 0 ; 16 } Source: Code Grepper.... Know More


How to virtual function in c++ (C++ Programming Language)


Answer: 1 #include 2 #include 3 //Virtual Functions are functions that allow us to override methods in subclasses 4 //In this example we have an entity class as a base class and class player inherits from public entity 5 class Entity { 6 public : 7 virtual std :: string GetName () { return "Entity" ; } //It.. Know More


How to palindrome no example (C++ Programming Language)


Answer: 1 171 , 181 , 191 , 202 Source: Code Grepper.... Know More