测试-选择语句

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#include <iostream> 
using namespace std; 
int main(){ 
    int a,b,c; a=1; b=2; c=3; 
    if (a < c){ 
       if(a>b)cout << a <<" "; 
       else cout << b <<" "; 
    } 
    cout << c << endl; 
return 0; 
}