# EX 2 comment out the name of place you want to visit on the first line# proceed to print out why you want to visit that place below. Give me three sentences.# create in-line comments for one of those sentences

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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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# EX 2 comment out the name of place you want to visit on the first line
# proceed to print out why you want to visit that place below. Give me three sentences.
# create in-line comments for one of those sentences

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Step 1

map defines operator[] for retrieving a value given a key (it actually returns a reference to the value itself), so to increment it, just increment the value indexed at the particular key. But something about this might seem a little weird. What if the key isn’t already in the map? Don’t we try to increment a nonexistent index, and crash like we would with an array? No, map does operator[] differently than other STL containers or ordinary, C-style arrays.

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