1) var n:integer; begin readln(n); if(n<0)then write(0) else write(n+4); end.
2) var a, b: integer; begin readln(a, b); if(a = b) then write(1) else write(0); end.
3) var a, b, c, s: integer; begin s := 0; readln(a, b, c); if(a >= 0) then s := s + 1; if(b >= 0) then s := s + 1; if(c >= 0) then s := s + 1; write(s); end.
4) var a, b, c, s: integer; begin s := 0; readln(a, b, c); if(a > 0) then s := s + a; if(b > 0) then s := s + b; if(c > 0) then s := s + c; write(s); end. 5) var a, b, c: integer; begin readln(a, b, c); if (a < b) then swap(a, b); if (a < c) then swap(a, c); if (b < c) then swap(b, c); write(a, ' ', b, ' ', c); end.
6) var n, k, s, i: integer; begin s := 0; readln(n, k); for i := 1 to n.ToString.Length do if(strtoint(n.ToString[i]) > k) then s := s + strtoint(n.ToString[i]); write(s); end.
7) var n, s, i: integer; begin s := 0; readln(n); for i := 1 to n do s := s + i; write(s); end.
9) var n, i: integer; begin readln(n); for i := n downto 1 do write(i); end.
12 var n, i: integer; s: real; begin s := 0; readln(n); for i := n downto 1 do s:=s+(0.1*i); write(s); end.
13) var n, i: integer; begin readln(n); for i := 1 to n do write(sqr(i), ' '); end.
14) var n, i, c: integer; begin i := 1; c := 0; readln(n); while (c <> n) do begin if(i mod 3 = 0) then begin write(i, ' ');c := c + 1; end; i := i + 1; end; end.
15) var n, i, a: integer; c: real; begin i := 1; c := 0; readln(n); for i := 1 to n do begin read(a); c := c + a; end; write(c / n) end.
16) var n, i, a: integer; begin i := 1; while true do begin read(a); if(a = 0) then break; n := n + 1; end; write(n) end.
Язык C++. В памяти несколько косячно хранятся вещественные числа, поэтому пришлось сделать следующие параметры в цикле.
#include <stdio.h>
#include <math.h>
float f(float x) {
return 2*acosf(x/2)+x*logf(tanf(x/2));
}
void main() {
float Y[10];
float a, b;
float summ=0;
int c = 0;
for (float i = 0.1; i < 2; i+=0.2)
Y[c++] = f(i);
printf_s("a,b - ?");
scanf_s("%f", &a);
scanf_s("%f", &b);
for (int i = 0; i < 10; i++)
if (a<= Y[i] && Y[i] <=b)
summ += Y[i];
printf_s("summ: %f",summ);
}