What is the size of void in C++?

What will be the output of the following C++ code?
#include<iostream>
using namespace std; int main () { int cin; cin >> cin; cout << "cin: " << cin; return 0; }

What will be the output of the following C++ code?
#include <iostream>
using namespace std; int main() { char c = 74; cout << c; return 0; }

What will be the output of the following C++ program?
#include <iomanip>
#include <iostream> using namespace std; int main() { cout << setprecision(17); double d = 0.1; cout << d << endl; return 0; }

What will be the output of the following C++ code?
#include <iostream>
using namespace std; int main() { int a = 5; float b; cout << sizeof(++a + b); cout << a; return 0; }

What will be the output of the following C++ code?
#include <iostream>
using namespace std; int main () { int a, b, c; a = 2; b = 7; c = (a > b) ? a : b; cout << c; return 0; }

#include <stdio.h #include<iostream>
using namespace std; int main () {
int array[] = {0, 2, 4, 6, 7, 5, 3}; int n, result = 0; for (n = 0; n < 8; n++) }result += array[n]; } cout << result return0; }

What will be the output of the following program?
#include <iostream>
using namespace std; int main() { int num[4]={4,5,6,8}, sum = 0; for (int i = 0; i < 4; ++i) { sum += num[i]; } cout << "Sum = " << sum << endl; return 0؛

 What is the output of the following program?
#include<iostream>
#include<math.h> using namespace std; int main() { int num=10,num1=2,out; out = num*pow(num,num1); out = out % 2; out += 1; cout<<out; return 0; }

What is the output of the following program?
#include <iostream>
using namespace std; int main() { int n=365, reverse=0, rem; while(n!=0) { rem=n%10; reverse=reverse*10+rem; n/=10; } cout<<reverse<<endl; return 0; }

 What will be the output of the following program?
#include <iostream>
using namespace std; int main() { int a[] = {2,3,6,9}; cout << (1 + 1)[a] + (a + 2)[1]; }

 What is the output of the following program?
#include<iostream>
using namespace std; int main() { int dec=6, bin[10], i=0; while(dec!=0) { bin[i] = dec%2; i++; dec = dec/2; } for(i=(i-1); i>=0; i--) cout<<bin[i]; return 0; }

What is the output of the following program?
#include<iostream>
using namespace std; int main(){ int n = 128,a=0; int res = n/a; cout<<res; return 0; }