Introduction To Computer Science PDF Fall 2024

INTRODUCTION TO COMPUTER SCIENCE 252-0032, 252-0047, 252-0058 Document authors: Manuela Fischer and Felix Friedrich Department of Computer Science, ETH Zurich Fall 2024 1 Characters and Texts...

INTRODUCTION TO COMPUTER SCIENCE 252-0032, 252-0047, 252-0058 Document authors: Manuela Fischer and Felix Friedrich Department of Computer Science, ETH Zurich Fall 2024 1 Characters and Texts 128 Section 10 Characters and Texts We have seen texts before: std::cout 0 // POST: returns the mathematically defined remainder of // dividend / divisor with 0 = 32 && c > std::noskipws; // #include char next; while (std::cin >> next){ std::cout > s; // Shift input by s caesar(s); return 0; } Code 10.1: Reading a shift value and a text from standard input and writing the encoded text to standard output. ˆ Comparing texts: if (text1 == text2)... true if character-wise equal ˆ Querying size: int length = text.size(); Characters and Texts 132 Size not equal to text length if multi-byte encoding is used, e.g. UTF-8 ˆ Reading single characters: if (text == 'a')... //or text.at(0) text does not check index bounds, whereas text.at(0) does ˆ Writing single characters: text = 'b'; //or text.at(0) ˆ Iteration over characters: for (int i = 0; i < int(text.size()); ++i) std::cout