• Aug 25, 2023 •LeifMessinger
1 like • 12 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
• Apr 16, 2023 •LeifMessinger
0 likes • 0 views
#include <iostream> #include <string> //Should already be in iostream #include <cstdlib> //A word score adds up the character values. a-z gets mapped to 1-26 for the values of the characters. //wordScore [wordValue] //Pipe in the input into stdin, or type the words yourself. //Lowercase words only int characterValue(const char b){ return ((b >= 'a') && (b <= 'z'))? ((b - 'a') + 1) : 0; } int main(int argc, char** argv){ //The first argument specifies if you are trying to look for a certain word score int wordValue = (argc > 1)? std::atoi(argv[1]) : 0; std::string line; while(std::getline(std::cin, line)){ int sum = 0; for(const char c : line){ sum += characterValue(c); } if(wordValue){ //If wordValue is 0 or the sum is the correct value if(wordValue == sum){ std::cout << line << std::endl; } } else { std::cout << sum << "\t" << line << std::endl; } } return 0; }
• Nov 18, 2022 •AustinLeath
0 likes • 5 views
#include <iostream> using namespace std; /* Function: get_coeff Parameters: double& coeff, int pos passed from bb_4ac Return: type is void so no return, but does ask for user to input data that establishes what a b and c are. */ void get_coeff(double& coeff, int pos) { char position; if(pos == 1) { position = 'a'; } else if(pos == 2) { //a simple system to determine what coefficient the program is asking for. position = 'b'; } else { position = 'c'; } cout << "Enter the co-efficient " << position << ":"; //prompt to input coeff coeff = 5; //input coeff } /* Function: bb_4ac Parameters: no parameters passed from main, but 3 params established in function, double a, b, c. Return: b * b - 4 * a * c */ double bb_4ac() { double a, b, c; //coefficients of a quadratic equation get_coeff(a, 1); // call function 1st time get_coeff(b, 2); // call function 2nd time get_coeff(c, 3); // call function 3rd time return b * b - 4 * a * c; //return b * b - 4 * a * c } int main() { cout << "Function to calculate the discriminant of the equation. . . " << endl; double determinate = bb_4ac(); //assign double determinate to bb_4ac function cout << "The discriminant for given values is: " << determinate << endl; //output the determinate! }
• Feb 4, 2021 •aedrarian
#include <iostream> using namespace std; main { cout << "No tabbing. That's very sad :(\n"; cout << "No in-editor highlighting either :(((\n"; cout << "Descriptions might be niice too."; }
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#include <iostream> using namespace std; int main() { const int ROW_SIZE = 2; const int COLUMN_SIZE = 5; //establish all variables int matrix[ROW_SIZE][COLUMN_SIZE]; int minVal; for (int i = 0; i < ROW_SIZE; ++i) // for loop to ask user to enter data. { for (int h = 0; h < COLUMN_SIZE; ++h) { cout << "Enter data for row #" << i + 1 << " and column #" << h + 1 << ": "; cin >> matrix[i][h]; } } cout << "You entered: " << endl; for (int i = 0; i < ROW_SIZE; ++i) //for statements to output the array neatly { for (int h = 0; h < COLUMN_SIZE; ++h) { cout << matrix[i][h] << "\t"; } cout << endl; } cout << "Minimum for each row is: {"; for (int i = 0; i < ROW_SIZE; i++) //for statements to find the minimum in each row { minVal = matrix[i][0]; for (int h = 0; h < COLUMN_SIZE; h++) { if (matrix[i][h] < minVal) // if matrix[i][h] < minVal -> minVal = matrix[i][h]; { minVal = matrix[i][h]; } } cout << minVal << ", "; } cout << "}" << endl; cout << "Minimum for each column is: {"; for (int i = 0; i < COLUMN_SIZE; i++) //for statements to find the minimum in each column { minVal = matrix[0][i]; for (int h = 0; h < ROW_SIZE; h++) { if (matrix[h][i] < minVal) //replaces minVal with array index for that column that is lowest { minVal = matrix[h][i]; } } cout << minVal << ", "; } cout << "}" << endl; return 0; }
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#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; }