1. : . -
- , , first second. . :
read.
check, read .
( display).
. : , - .
1. first ; second , . power() first second ( pow math.h). first second.
2. first ; second , . power() first second. first second.
3. first , ; second . ipart() first/second. .
4. first , ; 1, 2, 5, 10, 50, 100, 500, 1000, 5000. second , . summa() .
5. first , ; second , . cost() .
6. first , 100 . ; second , . power() .
7. first , ; second , . rangecheck() .
8. first , , ; second , , . [first, second). rangecheck() .
9. first , ; second , . minutes() .
10. ˳ y=Ax+B. first , A; second , B. function() x y.
11. ˳ Ax+B=0. first , A; second , B. root() . A .
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12. first , x ; second , y . distance() .
13. first , ; second , b . hypotenuse() .
14. first , ; second , . summa() :
/ * .
15. first , ; second , . cost() .
16. first , ; second , . multiply() double. - first second.
17. first , ; second , . changex() ; changey() . .
18. first , ; second , . multiply() int. first second.
19. ʳ n ᒺ k ᒺ (k<n)
C(n,k)= n! / ((n-k)!* k!)
first , k; second , n. combination() C(n,k).
20. aj
aj = a0rj, j = 0, 1, 2,..
first , a0; second , r. element() .
21. first , , second 1 12 . DaysCount() (, ).
22. first second , . GetX() GetY(), .
23. first second , . Check(), .
2. :
, , ( ).
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1. , : . . . "<<" , .
2. , . :
++ 10 ,
-- 10 ,
< .
3. C , . :
! , 90 ,
- , ,
++ .
4. , , int, double, , . .
5. , , ,
0, ,
1, / ,
-1, / .
.
6. , . .
7. , , int, double, , ( char*). .
8. ++ . .
9. <<, >> nxm.
10. S3=S1-S2. S3 , S1 S2. .
11. +, -, *, / . z=(x+y)/(x-y)+xy/(x+y). .
12. +, -, * (nxn). D=A*B+C*A-A*C. .
13. +, -, * n. d=(a+b)(a-b). .
14. S3=S1+S2. S3 , S1 S2. .
15. S3=S1*S2. S3 , S1 S2 . .
16. (x,y,r) .
+, -, * :
"+" ᒺ,
"*" ,
"-" .
.
17. (x1,y1,x2,y2) .
(x1,y1)
(x2,y2)
+, -, * :
"+" ᒺ,
"*" ,
"-" .
.
18. (n) a0 +a1 x +a2 x2 ++ an-1 xn-1.
+, -, * . . .
19. (n) a0 +a1 x +a2 x2 ++ an-1 xn-1. ++ . . .
20. << >> , == .
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21. << >> . .
22. * , , .
23. :
" " ( ). .
"*" ( k s).
>0, k S. k<0, k S.
24. :
a & b ,
! a .
a & a, a & b,! a.
25. << >> n .
26. +, -, *,/ P/Q, PZ, QN. . a/d-(a+b)/(cd), a,b,c,d .
27. , . <<, >> :
">>" ,
"<<" (, , ).
28. A(n) a0 +a1 x +a2 x2 ++ an-1 xn-1. ! .
29. , n :
"+" ᒺ ,
"*" ,
">>" .
30. , n :
"-" ,
"!" ,
"<<" .
31. , , , ( ). .
32. , , , . .
33. * n x n n ( ).
34. A(n) = a0 +a1 x +a2 x2 ++ an-1 xn-1 B(m) = b0 +b1 x +b2 x2 ++ bm-1 xm-1. / . P(r) Q(l) , A(n) = P(r)*B(m) + Q(l).
