Навигациялық есептеулер сызғышы мерзімі и т. д умоляю

# include < stdio.h> int phi(int x){int i,k=0; if(x> 1)k+=phi(x-1)+phi(x-2); if(x< 2)k=x; return k; }      int main (void){int x; scanf("%d",& x); printf("%d",phi(x)); return 0; }

vara,b: integer; c: real; beginwriteln ('1'); read (a); writeln ('2'); read (b); c: =(a/1)/(1/b); writeln (c); end.

1) (60-10): 2=25 (мин.) - потратила сегодня

2) 25+10=35 (мин.)

ответ: вчера катя выполнила по за 35 минут.

var a: integer; c1, c2, c3, c4: integer;

begin for a : = 1000 to 9999 do begin c1 : = a div 1000; c2 : = (a div 100) mod 10; c3 : = (a div 10) mod 10; c4 : = a mod 10; if (c1 < > c2) and (c1 < > c3) and (c1 < > c4) and (c2 < > c3) and (c2 < > c4) and (c3 < > c4) then writeln(a); end; end.