Which expression for YYY completes the code to output the number of non-space characters in the inp string? int num 03B !! int i; string str; getline (cin, str); for (i 0; i < str.length (); ++i) { if (YYY) ( num = num + 1; cout << num << endl; O str == O str.at (i) O !str.isdigit (at (i)) O str != str.at (i) !=

Which expression for YYY completes the code to output the number of non-space characters in the inp string? int num 03B !! int i; string str; getline (cin, str); for (i 0; i < str.length (); ++i) { if (YYY) ( num = num + 1; cout << num << endl; O str == O str.at (i) O !str.isdigit (at (i)) O str != str.at (i) !=

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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