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practice.cpp
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practice.cpp
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//functions : it is a set of code which performs something for you
// it is used for modularise code
// increase readability
// use same code multiple times
//void => which does not return anything
//return
// parameterised
// non parameterised
#include<bits/stdc++.h>
using namespace std;
// void printName(string name,string name1){
// cout<<"striver "<<name<<" "<<name1<<endl;
// }
// int sum(int a,int b){
// int c;
// return c=a+b;
// }
// void sum(int a, int b){
// int c=a+b;
// cout<<c<<endl;
// }
// int maxx(int num1,int num2){
// if(num1>num2){
// return num1;
// } else{
// return num2;
// }
// void doSomething(int &num){
// cout<<num<<endl;
// num +=5;
// cout<<num<<endl;
// num +=5;
// cout<<num<<endl;
// }
// void doSomething(string &s){
// s[0]='t';
// cout<<s<<endl;
// }
void doSomething(int arr[],int n){
arr[0] +=100;
cout<<" value inside function"<<" "<<arr[0]<<endl;
}
int main(){
// string name1,name2;
// cin>>name1>>name2;
// printName(name1,name2);
// int a,b;
// cin>>a>>b;
// cout<<" the result is : ";
// sum(a,b);
// int num1,num2;
// cin>>num1>>num2;
// int maximum=maxx(num1,num2);
// cout<<" the max is : "<<maximum<<endl;
// int num;
// cin>>num;
// doSomething(num);
// cout<<num<<endl;
// string s;
// cin>>s;
// doSomething(s);
// cout<<s<<endl;
int n=5;
int arr[n];
for(int i=0;i<n;i++){
cin>>arr[i];
}
doSomething(arr,n);
cout<<"value inside int main : "<<arr[0];
return 0;
}