C++流程控制

分支结构ios 1，if语句spa ch2_7.cpp code //计算a+|b|的值 #include<iostream> using namespace std; int main(){ int a,b,c; cout<<"请输入a,b的值"<<endl; cin>>a>>b; if(b<0){ c = a-b; } else{ c = a+b; } cout<<"

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