?:

something That can't be evaluated with if else:


bool inBigClassroom = false;
const int classSize = inBigClassroom ? 30 : 20;


Conditional Operator evaluates as:
Conditional?:c ? x : yIf c is nonzero (true) then evaluate x, otherwise evaluate y

মন্তব্যসমূহ

একটি মন্তব্য পোস্ট করুন

এই ব্লগটি থেকে জনপ্রিয় পোস্টগুলি

Subset Generator Using Bit Manipulation

#string int main() {    string a="AiKichi";    for(ll i=0;i<(1<<a.length());++i)    {        for(ll j=0;j<a.length();j++)        {            if(i & (1<<j))             cout<<a[j]<<" ";        }        cout<<endl;    } } #int_array int main() {    long long a[]={1,2,3,4,5,6};    long long n=sizeof(a)/sizeof(a[0]);    for(ll i=0;i<(1<<n);++i)    {        for(ll j=0;j<n;j++)        {            if(i & (1<<j))             cout<<a[j]<<" ";        }        cout<<endl;    } }
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C++ Class

ছবি
> Abstraction >E ncapsulation   /Access Modifiers >Inheritance #include <iostream> using namespace std; class vehicle { public:     vehicle()     {         cout<<"this is a constructor of vehicle"<<endl;     }     ~vehicle()     {         cout<<"this is a deconstructor of vehicle"<<endl;     } }; class fourwheeler { public:     fourwheeler()     {         cout<<"this is the constructor of fourwheeler"<<endl;     }     fourwheeler(string x)     {         cout<<"This is another constructor which has "<<x<<" with it"<<endl;     }     ~fourwheeler()     {         cout<<"this is deconstructor of fourwheeler"<<endl;   ...
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Using "#define" in pair<>!!

main.cpp main.cpp TO quickly type we can use #define in pair like this : #define pii pair< int , int > #define ppi pair<pii , int > #define ppp pair<pii , pii> #define ss second #define ff first CODE: #include <bits/stdc++.h> using namespace std ; #define ll long long #define pii pair< int , int > #define ppi pair<pii , int > #define ppp pair<pii , pii> #define ss second #define ff first int main() { pii p1 ; ppi p2 ; cin>>p1.ff>>p1.ss ; p2=ppi(p1 , p1.ss*p1.ff) ; cout<< "Entry: " <<p2.ff.ff<< " , " <<p2.ff.ss<<endl ; cout<< "Product: " <<p2.ss<<endl ; return 0 ; }
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