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2、C++programmingHowtowriteaprogramworkflowPseudoCode//2.1.cppcout<<expressionscout<<“hello,world!”;cout<<5;cout<<x;cout<<x+5;cout<<x<<“+5=”<<x+5;”\n”,“\t”,““,endl,setw(n)setw(n):#include<iomanip.h>C++TokensC++KeywordsCommentingConstants//2.2.cppVariablesTypesVariablesLiteralsVariablesNamesNotVariablesNamesDeclarationandinitializationConstantvariablesThinkabout:AssignmentandincrementThinkabout//2.3.cppAprogramtoillustrateintegeroverflowAtype-safetyviolation(“implicitnarrowing”)C++charactersetASCIIcodeCharstointsOperatorsArithmeticAssignmentOperators29//2.5.cppinputandoutputThinkabout:Thinkabout://2.6.cppStringinputThinkabout:theoutput?BooleanexpressionsThinkaboutThinkabout38FloorCeilingTobecontinued…3、C++programmingConditions1//boolleapyear(inty)Conditions2ExampleConditions31x>0y=f(x)=0x=0-1x<0voidmain(){intx=5,k;if(x>0)k=1;elseif(x==0)k=0;elsek=-1;cout<<x<<""<<k;}(x>y)?x:y;if(condition){//dothis}elseif(condition){//dothis}}SwitchesSwitchexample//weekdayForLoops
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