• Aug 25, 2023 •LeifMessinger
1 like • 13 views
#include <iostream> int main(){ const char* const hello = "Hello, world!"; const char* bruh = hello; char* const yeet = hello; std::cout << bruh << std::endl; std::cout << yeet << std::endl; return 0; } /* Place your bets! Will the program: a.) Print "Hello, world!" twice? b.) Compile error on line 5 (bruh initialize line) because the pointer gets implicit cast to non-const? c.) Compile error on line 7 (yeet initialize line) because the char gets implicit cast to non-const? d.) Both b and c? e.) Compile error line 11 (print yeet) because the pointer is constant and can't be incremented f.) Print "Hello, world!" then print the pointer address in hexadecimal g.) Both b and e? h.) Both c and e? i.) B, c, and e? */ // The answer is in this base 64 string: // T25seSBjLikKVGhlIGNvbXBpbGVyIGRvZXNuJ3QgYXBwcmVjaWF0ZSB5b3UgbWFraW5nIHRoZSBjaGFyYWN0ZXJzIHRoZSBwb2ludGVyIHJlZmVycyB0byBub24tY29uc3QsIGJ1dCBpdCdzIGZpbmUgd2l0aCB5b3UgY29weWluZyBhIGNvbnN0YW50IHZhbHVlLCBpLmUuIHRoZSBwb2ludGVyLCB0byBhIG5vbi1jb25zdGFudCB2YXJpYWJsZS4KSWYgeW91IHJlcGxhY2UgdGhhdCBsaW5lIHdpdGggY2hhciogY29uc3QgeWVldCA9IGNvbnN0X2Nhc3Q8Y2hhciogY29uc3Q+KGhlbGxvKTsgSXQnbGwgcHJpbnQgIkhlbGxvLCB3b3JsZCEiIHR3aWNlLCB3aGljaCBpcyB2ZXJ5IHN0cmFuZ2UgY29uc2lkZXJpbmcgdGhhdCB5ZWV0IGlzIGEgY29uc3QgcG9pbnRlciwgc28geW91J2QgdGhpbmsgaXQgd291bGQgcHJpbnQgYXMgYSBoZXhhZGVjaW1hbCBiZWNhdXNlIGlmIHlvdSB0cnkgdG8gKCsreWVldCkgd2hpbGUgbG9vcGluZyB0aHJvdWdoIHRoZSBzdHJpbmcsIHlvdSdkIGdldCBhbiBlcnJvciwgYmVjYXVzZSBpdCdzIGNvbnN0IGFuZCBjYW4ndCBiZSBjaGFuZ2VkLgpJbnN0ZWFkIG9mIHVzaW5nIGEgdGVtcGxhdGUgZnVuY3Rpb24gZm9yIG9zdHJlYW06Om9wZXJhdG9yPDwsIHRoZXkgbWFrZSBpdCBhIGZ1bmN0aW9uIHRoYXQgdGFrZXMgdHlwZSBjb25zdCBjaGFyKiwgYW5kIEMrKyBoYXMgbm8gcHJvYmxlbXMgcHJvbW90aW5nIGEgdmFyaWFibGUgdG8gY29uc3RhbnQgd2hlbiBpbXBsaWNpdCBjYXN0aW5nLCBhbmQgaXQgaGFzIG5vIHByb2JsZW1zIGltcGxpY2l0IGNhc3RpbmcgdGhlIGNvbnN0IHBvaW50ZXIgdG8gYSBub3JtYWwgcG9pbnRlciBiZWNhdXNlIGl0J3MgbWFraW5nIGEgY29weS4gVGhlIHBvaW50ZXIgZ2V0cyBjb3BpZWQgYmVjYXVzZSB0aGUgcG9pbnRlciBpcyBwYXNzZWQgYnkgdmFsdWUsIG5vdCByZWZlcmVuY2Uu
• Nov 18, 2022 •AustinLeath
0 likes • 0 views
using namespace std; class Hash { int BUCKET; // No. of buckets // Pointer to an array containing buckets list<int> *table; public: Hash(int V); // Constructor // inserts a key into hash table void insertItem(int x); // deletes a key from hash table void deleteItem(int key); // hash function to map values to key int hashFunction(int x) { return (x % BUCKET); } void displayHash(); }; Hash::Hash(int b) { this->BUCKET = b; table = new list<int>[BUCKET]; } void Hash::insertItem(int key) { int index = hashFunction(key); table[index].push_back(key); } void Hash::deleteItem(int key) { // get the hash index of key int index = hashFunction(key); // find the key in (inex)th list list <int> :: iterator i; for (i = table[index].begin(); i != table[index].end(); i++) { if (*i == key) break; } // if key is found in hash table, remove it if (i != table[index].end()) table[index].erase(i); } // function to display hash table void Hash::displayHash() { for (int i = 0; i < BUCKET; i++) { cout << i; for (auto x : table[i]) cout << " --> " << x; cout << endl; } } // Driver program int main() { // array that contains keys to be mapped int a[] = {15, 11, 27, 8, 12}; int n = sizeof(a)/sizeof(a[0]); // insert the keys into the hash table Hash h(7); // 7 is count of buckets in // hash table for (int i = 0; i < n; i++) h.insertItem(a[i]); // delete 12 from hash table h.deleteItem(12); // display the Hash table h.displayHash(); return 0; }
0 likes • 15 views
#include<iostream> using namespace std; const int rows = 8; const int cols = 8; char chessboard[rows][cols]; void setBoard(char chessboard[][cols]); void printBoard(char chessboard[][cols]); void setBoard(char chessboard[][cols]) { for(int i = 0; i < rows; i++) { for(int j = 0; j < cols; j++) { if(i % 2 == 0 && j % 2 == 0) { chessboard[i][j] = 'x'; } else { if(i % 2 != 0 && j % 2 == 1) { chessboard[i][j] = 'x'; } else { chessboard[i][j] = '-'; } } } } return; } void printBoard(char chessboard[][cols]) { for(int i = 0; i < rows; i++) { for(int j = 0; j < cols; j++) { cout << chessboard[i][j] << " "; } cout << endl; } return; } int main(int argc, char const *argv[]) { setBoard(chessboard); printBoard(chessboard); return 0; }
0 likes • 3 views
/* Algorithm: Step 1: Get radius of the cylinder from the user and store in variable r Step 2: Get height of the cylinder from the user and store in variable h Step 3: Multiply radius * radius * height * pi and store in v Step 4: Display the volume */ #include <iostream> using namespace std; int main() { float r; //define variable for radius float h; //define variable for height float v; float pi; pi=3.1416; cout<<"Enter radius:"; cin>>r; cout<<"Enter height:"; cin>>h; v=r*r*h*pi; //compute volume cout<<"Radius:"<<r<<"\tHeight:"<<h<<endl; //display radius and height cout<<"\n************************\n"; cout<<"Volume:"<<v<<endl;//display volume return 0; }
• Apr 15, 2025 •hasnaoui1
0 likes • 6 views
int main()
1 like • 12 views
#include <iostream> using namespace std; int main() { int arr[5]; for(int i = 0; i < 5; i++) { arr[i] = i; } for(int i = 0; i < 5; i++) { cout << "Outputting array info at position " << i + 1 << ": " << arr[i] << endl; } for(int i=0;i<5;i++) { for(int j=i+1;j<5;j++) { if(arr[i]>arr[j]) { int temp=arr[i]; arr[i]=arr[j]; arr[j]=temp; } } } cout << endl; for(int i = 0; i < 5; i++) { cout << "Outputting sorted array info at position " << i + 1 << ": " << arr[i] << endl; } return 0; }