Given the following function that uses STL stack.

The function replaces the second element in stack. Complete the missing code.

void teplaceSecondElement $($stack$$ int &s $,$ int newvalue$)\{$

If $(<mn\; id="EditorElement\_2715827">2</mn><mtext\; id="EditorElement\_2715804"></mtext><mi\; id="EditorElement\_2715805">)</mi><mi\; id="EditorElement\_2715806">\{</mi>$

return;

$\}$

int $e1=$ s$.$top$()$;

s$.$pop$()$;

int $e2=$ s$.$top $()$;

s$.$pop$()$;

s$.$ push$($e$2)$;$\}$