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C++ 2022-03-27 19:20:39
lists occurrences of characters in the string c++
int d[27]={0}; for (int i = 0; i < str.length(); i++) //AABBCC d[str[i] - 'A']++; for (int i = 0; i < str.length(); i++) if (d[str[i] - 'A'] != 0) { cout << str[i] << " "<< d[str[i] - 'A'] << " "; /... Add solution -
C++ 2022-03-27 12:15:21
find the graph is minimal spanig tree or not
#include <iostream> #include <vector> #include <utility> #include <algorithm> using namespace std; const int MAX = 1e4 + 5; int id[MAX], nodes, edges; pair <long long, pair<int, int> > p[MAX]; void initialize() { ... Add solution -
C++ 2022-03-25 00:00:15
how to use array without size in c++
#include <iostream> int main() { //Create a user input size int size; std::cout << "Enter Size Of Array : "; std::cin >> size; //Create the array with the size the user input int *myArray = new int[size]; //Populate t... Add solution -
C++ 2022-03-22 13:25:16
arrow operator c++
/* the arrow operator is used for accessing members (fields or methods) of a class or struct it dereferences the type, and then performs an element selection (dot) operation */ #include <iostream> using std::cout; class Entity { public: con... Add solution