=1*100 + 2*99+ 3*98 +……+ 1*100 procedure TForm1.Button1Click(Sender: TObject); var i: Word; num : Int64; begin num := 0; for i:=1 to 100 do num := num + i * (101-i); end;
171700procedure TForm1.Button1Click(Sender: TObject); var i,j:integer; sum:integer; begin sum:=0; for I := 1 to 100 do begin for j := 1 to i do sum:=sum+j end; end;
jwejo仔 早啊 你在研究阶乘啊 我抢分来了给我个分
function GetResult: integer; begin Result := 171700; end;
//简明性 100*1 99*2 +98*3..1*100 procedure TForm1.Button1Click(Sender: TObject); var i: integer; num : integer; begin for i:=1 to 100 do num := num + (101-i)*i end; //完全模拟型 procedure TForm1.Button1Click(Sender: TObject); var i,j:integer; sum:integer; begin sum:=0; for I := 1 to 100 do begin for j := 1 to i do sum:=sum+j end; end;
输入:edi1(TEdit) 输出:edi2(TEdit)var I,J,k: LongWord; s : Int64; m: Integer; begin if Not TryStrToInt(edt1.Text,Integer(I)) then begin edt2.Text := 'Invalid input!'; Exit; end; j := (I div 2); s := 0; for m := 1 to j do begin s := s+ m*(i-m+1)*2; end; if (I mod 2) = 1 then s := s+(j+1)*(j+1); edt2.Text := IntToStr(s);end;
写个函数给你function SumNumber(Number:integer):integer; var i:integer; begin result := 0; if Number = 1 then begin result := 1; exit; end; if Number > 0 then begin for i:= 1 to Number do begin result:= result + i*(Number+1 - i); end; end; end; 想计算100 直接输入 SumNumber(100);
procedure TForm1.Button1Click(Sender: TObject);
var
i: Word;
num : Int64;
begin
num := 0;
for i:=1 to 100 do
num := num + i * (101-i);
end;
var
i,j:integer;
sum:integer;
begin
sum:=0;
for I := 1 to 100 do
begin
for j := 1 to i do
sum:=sum+j
end;
end;
早啊
你在研究阶乘啊
我抢分来了给我个分
function GetResult: integer;
begin
Result := 171700;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
i: integer;
num : integer;
begin
for i:=1 to 100 do
num := num + (101-i)*i
end;
//完全模拟型
procedure TForm1.Button1Click(Sender: TObject);
var
i,j:integer;
sum:integer;
begin
sum:=0;
for I := 1 to 100 do
begin
for j := 1 to i do
sum:=sum+j
end;
end;
输出:edi2(TEdit)var
I,J,k: LongWord;
s : Int64;
m: Integer;
begin
if Not TryStrToInt(edt1.Text,Integer(I)) then begin
edt2.Text := 'Invalid input!';
Exit;
end;
j := (I div 2);
s := 0;
for m := 1 to j do begin
s := s+ m*(i-m+1)*2;
end;
if (I mod 2) = 1 then s := s+(j+1)*(j+1);
edt2.Text := IntToStr(s);end;
var
i:integer;
begin
result := 0;
if Number = 1 then
begin
result := 1;
exit;
end;
if Number > 0 then
begin
for i:= 1 to Number do
begin
result:= result + i*(Number+1 - i);
end;
end;
end;
想计算100 直接输入 SumNumber(100);