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#include <iostream>#include <vector>#include <limits>#define DEBUG_TRIAL falseclass Trial{public:const size_t HEIGHT;std::string record;//Breaking height is the index of the floor, so 0 is the bottom floor, height-1 is the top floor.//Eggs is the eggs remaining.//Start is the bottom floor.//End is one above the top floor.const size_t BREAKING_HEIGHT;size_t eggs;size_t start;size_t end;size_t floorsLeft(){return (end-start);}size_t middle(){return start + (floorsLeft()/2UL);}size_t drops = 0;Trial(const size_t BREAKING_HEIGHT, size_t eggs, size_t start, size_t end): BREAKING_HEIGHT(BREAKING_HEIGHT), eggs(eggs), start(start), end(end), HEIGHT(end), record(end, '_'){record[BREAKING_HEIGHT] = 'B'; //Marking the breaking point}bool foundAnswer(){return ((record[0] == 'X') || (record.find("OX")!=std::string::npos));}//returns true if the egg broke.//height is the index of the floor, so 0 is the bottom floor, height-1 is the top floor.bool drop(size_t height){#if DEBUG_TRIALstd::cout << "Start: " << start << ". End: " << end << ". Floors Left: " << floorsLeft() << ". Middle Index: " << middle() << std::endl;#endifdrops++;bool cracked = height >= BREAKING_HEIGHT;if(cracked) --eggs;//Update the recordrecord[height] = (height >= BREAKING_HEIGHT)? 'X' : 'O';#if DEBUG_TRIAL//Print the recordstd::cout << record << std::endl;#endifreturn cracked;}size_t nowWhat(){if(foundAnswer()){return drops;}else if(eggs <= 0){ //Ran out of eggsthrow "Algorithm failed! No more eggs!";return 1UL;}else if(eggs > 1){return wrecklessSearch();}else{return safeSearch();}}size_t safeSearch(){if(drop(start)){--end;}else{++start;}return nowWhat();}size_t wrecklessSearch(){//If the egg breaksif(drop(middle())){end -= (floorsLeft()/2UL);}else{ //egg doesn't crackstart += (floorsLeft()/2UL);}return nowWhat();}//returns the amount of drops needed to find the answersize_t search(){return nowWhat();}};//Height is the height of the building in floors.//Breaking height is the index of the floor, so 0 is the bottom floor, height-1 is the top floor.//Eggs is the eggs given.//returns the amount of drops needed to find the answersize_t search(const size_t height, const size_t BREAKING_HEIGHT, size_t eggs){Trial trial(BREAKING_HEIGHT, eggs, 0, height);return trial.search();}class TrialStats {public:size_t min = std::numeric_limits<size_t>::max();size_t max = 0;double mean = -1.0;void printStats(){// Print the resultsstd::cout << "Minimum drops: " << min << std::endl;std::cout << "Maximum drops: " << max << std::endl;std::cout << "Mean drops: " << mean << std::endl;}};//Benchmarks all the possible breaking points of a single building height with a number of eggs.TrialStats trial(const size_t HEIGHT, const size_t eggs){TrialStats stats;int totaldrops = 0;//Test every possible breaking point//Breaking height is the index of the floor, so 0 is the bottom floor, height-1 is the top floor.for (int breakingHeight = 0; breakingHeight < HEIGHT; ++breakingHeight) {size_t drops = search(HEIGHT, breakingHeight, eggs);stats.min = std::min(stats.min, drops);stats.max = std::max(stats.max, drops);totaldrops += drops;}// Calculate the mean number of dropsstats.mean = static_cast<double>(totaldrops) / HEIGHT;return stats;}//Benchmarks a single building height from 1 egg to MAX_EGGSvoid testTower(const size_t height, const size_t MAX_EGGS){//Drop every amount of eggs that you'd need.for (int eggs = 1; eggs <= MAX_EGGS; ++eggs) {std::cout << "Building height: " << height << ". Num eggs: " << eggs << std::endl;TrialStats stats = trial(height, eggs);stats.printStats();std::cout << std::endl << std::endl;}}//Benchmarks all buildings from 0 to MAX_HEIGHTvoid benchmark(const size_t MAX_HEIGHT){const size_t MAX_EGGS = 2;//Test every buildingfor (size_t height = 1; height <= MAX_HEIGHT; ++height) {testTower(height, std::min(height, MAX_EGGS));}}int main() {constexpr size_t MAX_HEIGHT = 36;benchmark(MAX_HEIGHT);return 0;}
//Constant prefix notation solver using bruh//Could make it infix or postfix later#include<string>#include<vector>#include<iostream>std::vector<long double> bruhBuff;long double operator ""bruh(long double a){bruhBuff.push_back(a);return a;}long double operator ""bruh(const char op){if(bruhBuff.size() < 2) throw "Bruh weak";long double b = bruhBuff.back();bruhBuff.pop_back();long double a = bruhBuff.back();bruhBuff.pop_back();switch(op){case (int)('+'):return a + b;case (int)('-'):return a - b;case (int)('*'):return a * b;case (int)('/'):return a / b;}return 69l;}int main(){1.0bruh;2.0bruh;std::cout << '+'bruh << std::endl;return 0;}
#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;}
//===============Header File==================#include <iostream>#include <sstream> //stringbuf#include <utility> //exchange//Couple rules://Characters given through the getter functions have to be removed from the buffer.//This is so that bufferEmpty() == buffer.in_avail() > 0 basically always.//skipWhitespace doesn't remove the text from the buffer, but it does return the number of characters.//nextWord will trim whitespace before the word//nextInt will trim non-numbers before the number//hasNextInt and hasNextWord will trim the whitespace. If you think you need it, you should get nextWhitespace before doing any of those.//Whitespace after a word or an int is left on the buffer.//nextWhitespace will (get and) remove whitespace until the end of the line, including the newline character, but stops before the next line.//nextWhitespace won't read the next line when called before the end of the line, and it won't prompt the user for the next line if interactive.//If nextWhitespace is called after reading the end of the line, then it will read a new line into the buffer, which will prompt the user.//It acts like nextLine, but if there's something non-whitespace on the current line it stops there.class Scanner {public:std::stringbuf buffer;std::istream& input;Scanner(std::istream& in = std::cin) : buffer(), input(in) {}//Buffer debuggingbool fillBuffer();bool bufferEmpty();void printBufferEmpty();std::string getBuffer();size_t bufferLength();void printBufferStats();//Intbool hasNextInt();int nextInt();//Wordbool hasNextWord();std::string nextWord();//Linebool hasNextLine();//Whitespacesize_t skipWhitespace(); //Prob should be private, but I don't believe in that private shit.bool hasNextWhitespace();std::string nextWhitespace();std::string nextWhitespaceAll();std::string nextLine();};//===============Source File==================bool Scanner::fillBuffer() { //Returns if it had to get the next line from the input.const bool badInput = input.eof() || input.bad();const bool shouldFillBuffer = bufferEmpty() && !badInput;if (shouldFillBuffer) {std::string line;if (std::getline(input, line)) {buffer.str(buffer.str() + line + "\n");}}return shouldFillBuffer;}bool Scanner::bufferEmpty(){return buffer.str() == "";}void Scanner::printBufferEmpty(){std::cout << "The buffer is " << (bufferEmpty()? "" : "not") << " empty." << std::endl;}std::string Scanner::getBuffer(){return buffer.str();}size_t Scanner::bufferLength(){return buffer.str().length();}void Scanner::printBufferStats(){if(bufferEmpty()){std::cout << "The buffer is \"\"" << std::endl;return;}std::cout << "The length of the buffer is " << bufferLength() << std::endl;if(buffer.sgetc() == '\r'){std::cout << "The buffer is \\r\\n" << std::endl;}else if(buffer.sgetc() == '\n'){std::cout << "The buffer is \\n" << std::endl;}}bool Scanner::hasNextInt() {return hasNextWord() && (std::isdigit(buffer.sgetc()) || buffer.sgetc() == '-');}int Scanner::nextInt() {if (!hasNextInt()) { //Will fill the buffer if not filled. Will also trim whitespace.return 0;}std::string num;size_t charactersRead = 0;while (buffer.in_avail() > 0 && (std::isdigit(buffer.sgetc()) || buffer.sgetc() == '-')) {num += buffer.sbumpc();++charactersRead;}buffer.str(buffer.str().erase(0, charactersRead));return std::stoi(num);}bool Scanner::hasNextWord() {nextWhitespaceAll();return buffer.in_avail() > 0;}std::string Scanner::nextWord() {if (!hasNextWord()) { //Will fill the buffer if not filled. Will also trim whitespace.return "";}std::string word;size_t charactersRead = 0;while (buffer.in_avail() > 0 && !std::isspace(buffer.sgetc())) {word += buffer.sbumpc();++charactersRead;}buffer.str(buffer.str().erase(0, charactersRead));return word;}bool Scanner::hasNextLine() {return (!bufferEmpty()) || fillBuffer();}size_t Scanner::skipWhitespace() { //Returns characters readsize_t charactersRead = 0;while (buffer.in_avail() > 0 && std::isspace(buffer.sgetc())) {buffer.sbumpc();++charactersRead;}return charactersRead;}bool Scanner::hasNextWhitespace(){fillBuffer();return buffer.in_avail() > 0 && std::isspace(buffer.sgetc());}std::string Scanner::nextWhitespace() {if (!hasNextWhitespace()) { //Will fill the buffer if not filledreturn "";}const size_t charactersRead = skipWhitespace();std::string whitespace = buffer.str().substr(charactersRead);buffer.str(buffer.str().erase(0, charactersRead));return whitespace;}std::string Scanner::nextWhitespaceAll(){std::string whitespace;while(hasNextWhitespace()){std::string gottenWhiteSpace = nextWhitespace();whitespace += gottenWhiteSpace;}return whitespace;}std::string Scanner::nextLine(){if (!hasNextLine()) {return "";}fillBuffer();//Swap out the old buffer with an empty buffer, and get the old buffer as a variable.std::string line = std::exchange(buffer, std::stringbuf()).str();//Remove the newline.if(line[line.length() - 1] == '\n' || line[line.length() - 1] == '\r' ) line.pop_back();if(line[line.length() - 1] == '\r' || line[line.length() - 1] == '\n' ) line.pop_back();return line;}//=================Word and Int test=================while(bruh.hasNextInt() || bruh.hasNextWord()){std::cout << "started loop" << std::endl;if(bruh.hasNextInt()){std::cout << "Int: " << bruh.nextInt() << " " << std::endl;}else{std::cout << "Word: " << bruh.nextWord() << " " << std::endl;}bruh.nextWhitespace();}//===================Line test======================for(int count = 1; bruh.hasNextLine(); ++count){std::string line = bruh.nextLine();std::cout << "Line " << count << ": " << line << std::endl;}
#include <iostream>using namespace std;int main(){cout << "Hello, World!" << endl;return 0;}
#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;}