GoosLife , 10 months ago (edited 10 months ago)

There is absolutely no need to add a check for each individual number, just do this:

<span style="font-weight:bold;color:#a71d5d;">#include 
</span><span style="font-weight:bold;color:#a71d5d;">#include 
</span><span style="color:#323232;">
</span><span style="color:#323232;">
</span><span style="font-weight:bold;color:#a71d5d;">int </span><span style="font-weight:bold;color:#795da3;">main</span><span style="color:#323232;">()
</span><span style="color:#323232;">{
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">int</span><span style="color:#323232;"> number </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#0086b3;">0</span><span style="color:#323232;">;
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">int</span><span style="color:#323232;"> numberToAdd </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#0086b3;">1</span><span style="color:#323232;">;
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">int</span><span style="color:#323232;"> modifier </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#0086b3;">1</span><span style="color:#323232;">;
</span><span style="color:#323232;">
</span><span style="color:#323232;">	std::cout </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">"Is your number [p]ositive or [n]egative? (Default: positive)</span><span style="color:#0086b3;">n</span><span style="color:#183691;">"</span><span style="color:#323232;">;
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">if </span><span style="color:#323232;">(std::cin.get() </span><span style="font-weight:bold;color:#a71d5d;">== </span><span style="color:#183691;">'n'</span><span style="color:#323232;">) {
</span><span style="color:#323232;">		modifier </span><span style="font-weight:bold;color:#a71d5d;">*= -</span><span style="color:#0086b3;">1</span><span style="color:#323232;">;
</span><span style="color:#323232;">	}
</span><span style="color:#323232;">
</span><span style="color:#323232;">	std::cin.ignore(std::numeric_limits::max(), </span><span style="color:#183691;">'</span><span style="color:#0086b3;">n</span><span style="color:#183691;">'</span><span style="color:#323232;">); </span><span style="font-style:italic;color:#969896;">// Clear the input buffer
</span><span style="color:#323232;">
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">bool</span><span style="color:#323232;"> isEven </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#0086b3;">true</span><span style="color:#323232;">;
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">bool</span><span style="color:#323232;"> running </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#0086b3;">true</span><span style="color:#323232;">;
</span><span style="color:#323232;">
</span><span style="color:#323232;">	</span><span style="font-weight:bold;color:#a71d5d;">while </span><span style="color:#323232;">(running) {
</span><span style="color:#323232;">		std::cout </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; number </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">" is " </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; (isEven </span><span style="font-weight:bold;color:#a71d5d;">? </span><span style="color:#183691;">"even" </span><span style="font-weight:bold;color:#a71d5d;">: </span><span style="color:#183691;">"odd"</span><span style="color:#323232;">) </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">".</span><span style="color:#0086b3;">n</span><span style="color:#183691;">"</span><span style="color:#323232;">;
</span><span style="color:#323232;">		std::cout </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">"Continue? [y/n] (Default: yes)</span><span style="color:#0086b3;">n</span><span style="color:#183691;">"</span><span style="color:#323232;">;
</span><span style="color:#323232;">
</span><span style="color:#323232;">		</span><span style="font-weight:bold;color:#a71d5d;">if </span><span style="color:#323232;">(std::cin.peek() </span><span style="font-weight:bold;color:#a71d5d;">== </span><span style="color:#183691;">'n'</span><span style="color:#323232;">) {
</span><span style="color:#323232;">			running </span><span style="font-weight:bold;color:#a71d5d;">= </span><span style="color:#0086b3;">false</span><span style="color:#323232;">;
</span><span style="color:#323232;">		}
</span><span style="color:#323232;">
</span><span style="color:#323232;">		number </span><span style="font-weight:bold;color:#a71d5d;">+=</span><span style="color:#323232;"> numberToAdd </span><span style="font-weight:bold;color:#a71d5d;">*</span><span style="color:#323232;"> modifier;
</span><span style="color:#323232;">		isEven </span><span style="font-weight:bold;color:#a71d5d;">= !</span><span style="color:#323232;">isEven;
</span><span style="color:#323232;">
</span><span style="color:#323232;">		std::cin.ignore(std::numeric_limits::max(), </span><span style="color:#183691;">'</span><span style="color:#0086b3;">n</span><span style="color:#183691;">'</span><span style="color:#323232;">);
</span><span style="color:#323232;">	}
</span><span style="color:#323232;">
</span><span style="color:#323232;">	std::cout </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">"Your number, " </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; number </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">" was " </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; (isEven </span><span style="font-weight:bold;color:#a71d5d;">? </span><span style="color:#183691;">"even" </span><span style="font-weight:bold;color:#a71d5d;">: </span><span style="color:#183691;">"odd"</span><span style="color:#323232;">) </span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt;</span><span style="font-weight:bold;color:#a71d5d;">&</span><span style="color:#323232;">lt; </span><span style="color:#183691;">".</span><span style="color:#0086b3;">n</span><span style="color:#183691;">"</span><span style="color:#323232;">;
</span><span style="color:#323232;">}```
</span>