Hey friends please explain me this code and say why its output is 1120?

Question

#include <iostream>
using namespace std;

int main() {
int x=1,y=2;
for(x<=4;y--;x++)
cout<<x<<y;
return 0;
}
//output is 1120

Answer 1

The loop ends when y = 0 (because 0 is considered false)
1. y is decremented, prints x which is 1 followed by y which is also 1, increments x to 2
2. decrements y (the loop does not stop imediatly because first the value of y is used then it is decremented)
prints x which is 2 followed by y which is 0, increments x;
3. loop ends;

Answer 2

bcz everything y is decrement ed to 1 and x is increment to 1

Answer 3

we are checking condition only for x, so value of y won't affect the loop.

but how it will yields 1120 output???

Answer 4

can any 1 please explain the above code, still I m not getting