//1
var
A: array [1..10] of integer;
i: integer;
begin
randomize;
write('Исходный массив: ');
for i := 1 to 10 do
begin
A[i] := random(81)-40;
write(A[i], ' ');
end;
writeln;
write('Измененный массив: ');
for i := 1 to 10 do
begin
if i mod 2 = 0 then A[i] := sqr(A[i])
else A[i] := sqr(i);
write(A[i], ' ');
end;
end.
//2
var
A: array [1..10] of real;
i: integer;
begin
randomize;
write('Исходный массив: ');
for i := 1 to 10 do
begin
A[i] := random(41)-20;
write(A[i], ' ');
end;
writeln;
write('Измененный массив: ');
for i := 1 to 10 do
begin
if A[i] < 0 then A[i] := sqr(A[i]);
if A[i] > 0 then A[i] := sqrt(A[i]);
write(A[i]:0:2, ' ');
end;
end.
//3
var
A: array [1..200] of real;
i, N: byte;
sum: real;
begin
write('Введите N = ');
readln(N);
sum := 0;
for i := 1 to N do
begin
write('З/П за ', i ,' месяц = ');
readln(A[i]);
sum := sum + A[i];
end;
writeln('Общий доход = ', sum:0:2);
end.
А10=1997,25=1*10^3+9*10^2+9*10^1+7*10^0+2*10^(-1)+5*10^(-2)
A16=918=9*16^2+1*16^1+8*16^0
A8=145=1*8^2+4*8^1+5*8^0
A2=101010=1*2^5+0*2^4+1*2^3+0*2^2+1*2^1+0*2^0
1)
program test;
var number: integer;
begin
write('Enter the number: ');
readln(number);
number:=abs(number)-2;
writeln(number);
readln;
end.
2)
program test;
var number, temp: integer;
begin
write('Enter the number: ');
readln(number);
temp:=number mod 10;
writeln(temp, '^2=', temp*temp);
readln;
end.
Var x,y:integer;
begin
readln(x);
y:=(x mod 7)+(x+1) mod 7+(x+2) mod 7+(x+3) mod 7+(x+4) mod 7+(x+5) mod 7+(x+6) mod 7;
writeln(y div 3);
end.
Пример:
19346
7