windy angel
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Ai giúp wind một số tài liệu về bài tập, chạy chương trình pascal dạng làm việc với tệp với
Wind cảm ơn
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Wind cảm ơn
Ai giúp wind một số tài liệu về bài tập, chạy chương trình pascal dạng làm việc với tệp với![]()
Wind cảm ơn
Mình kiếm tìm được mấy bài này, bạn tham khảo thêm
Program Vi_du_1;
Type
St20 = String[20];
St10 = String[10];
SinhVien = record
Hoten: St20;
Ngaysinh,Quequan: St10;
DiemTb: real;
Xeploai: Char;
end;
Var
f: File of SinhVien;
filename:String;
Sv: sinhvien;
Bhoten:st20;
i:word;
Begin
write('Nhap ten file: ');
readln(filename);
assign(f,filename);
rewrite(f);
i:=1;
repeat
writeln('Nhap thong tin cua cac sinh vien');
writeln('Thong tin cua sinh vien thu ', i);
write('Ho ten: ');
readln(Bhoten);
if Bhoten <> '' then
begin
sv.hoten:= Bhoten;
write('Ngay sinh (dd/mm/yyyy): ');
readln(sv.ngaysinh);
write('Quequan: ');
readln(sv.quequan);
write('Diem trung binh: ');
readln(sv.diemtb);
if sv.diemtb<5 then
sv.xeploai:='D'
else
if sv.diemtb<6.5 then
sv.xeploai:='C'
else
if sv.diemtb<8 then
sv.xeploai:='B'
else
sv.xeploai:='A';
write(f,sv);
end;
inc(i);
until Bhoten = '';
close(f);
end.
[FONT=Verdana]
Program Vi_du_2;
Type
St20 = String[20];
St10 = String[10];
SinhVien = record
Hoten: St20;
Ngaysinh,Quequan: St10;
DiemTb: real;
Xeploai: Char;
end;
Var
f: File of SinhVien;
Sv: sinhvien;
Bhoten:st20;
i:word;
Begin
assign(f,'Sinhvien.dat');
{$I-}
reset(f);
{$I+}
if IOResult <> 0 then
Begin
writeln('File khong ton tai');
exit;
End;
writeln(#32:10, 'DANH SACH SINH VIEN');
writeln(#32:6,'HO TEN',#32:8,'NGAY SINH',#32:4,'QUE QUAN DTB');
while not eof(f) do
begin
read(f,sv);
with sv do
writeln(hoten,#32:20,length(hoten),ngaysinh,#32:2,quequan,#32:10- length(quequan),Diemtb:5:2);
end;
close(f);
readln;
End.[/FONT]
Program Vi_du_3;
Type
St20 = String[20];
St10 = String[10];
SinhVien = record
Hoten: St20;
Ngaysinh,Quequan: St10;
DiemTb: real;
Xeploai: Char;
end;
Var
f: File of SinhVien;
filename:String;
Sv: sinhvien;
Bhoten:st20;
n:word;
Begin
assign(f,'sinhvien.dat');
{$I-}
reset(f);
{$I+}
if IOResult <>0 then
begin
writeln('File khong ton tai');
exit;
end;
n:=0;
writeln('Danh sach sinh vien dat loai kha tro len');
while not Eof(f) do
begin
read(f,sv);
with sv do
if xeploai <= 'B' then { (xeploai = ‘B’) or (xeploai = ‘A’) }
begin
writeln(hoten,ngaysinh,quequan,diemtb);
inc(n);
end;
end;
close(f);
writeln('Danh sach nay gom ',n,' sinh vien');
readln;
end.
Program Vi_du_4;
Type
St20 = String[20];
St10 = String[10];
SinhVien = record
Hoten: St20;
Ngaysinh,Quequan: St10;
DiemTb: real;
Xeploai: Char;
end;
Var
f: File of SinhVien;
filename:String;
Sv: sinhvien;
Bhoten:st20;
Bngaysinh,Bquequan:St10;
Begin
assign(f,'sinhvien.dat');
{$I-}
reset(f);
{$I+}
if IOResult <>0 then
begin
writeln('File khong ton tai');
exit;
end;
write('Ho ten sinh vien: ');
readln(bhoten);
write('Ngay sinh: ');
readln(Bngaysinh);
write('Que quan: ');
readln(bquequan);
while not Eof(f) do
begin
read(f,sv);
with sv do
if (hoten=bhoten) and ((ngaysinh=bngaysinh) and (quequan=bquequan)) then
begin
write('Nhap dtb can sua: ');
readln(diemtb);
if diemtb <5 then
xeploai:='D'
else
if diemtb <6.5 then
xeploai:='C'
else
if diemtb <8 then
xeploai:='B'
else
xeploai:='A';
n:=filepos(f);
seek(f,n-1);
write(f,sv);
exit;
end;
end;
Close(f);
readln;
End.
Program Vidu_5;
Var
f: Text;
filename,St: String;
Begin
write(‘Nhap ten file: ‘);
readln(filename);
assign(f,filename);
{$I-}
reaset(f);
{$I+}
if IOResult <> 0 then
begin
writeln(‘File khong ton tai’);
halt;
end;
writeln(‘Noi dung cua file ‘,filename)
while not Eof(f) do
begin
readln(f,st);
writeln(st);
end;
close(f);
readln;
End.
Program Vidu_6;
Var
f: Text;
filename,St: String;
NLines,NStr: word;
i: byte;
Begin
write(‘Nhap ten file: ‘);
readln(filename);
assign(f,filename);
reaset(f);
NBl:=0;
NStr:=0;
while not Eof(f) do
begin
readln(f,st);
inc(NStr);
for i:= 1 to length(St) do
if St[i] = #32 then
inc(NBl);
end;
Close(f);
writeln(‘So dong : ‘,NStr);
writeln(‘So ky tu trang: ‘, NBl)
readln;
End.
Program Vidu_7;
Type
St20 = String[20];
St10 = String[10];
SinhVien = record
Hoten: St20;
Ngaysinh,Quequan: St10;
DiemTb: real;
Xeploai: Char;
end;
Var
f: File of SinhVien;
g:Text;
St:String;
Sv: sinhvien;
Bdiem: String[5];
Begin
assign(f,'sinhvien.dat');
{$I-}
reset(f);
{$I+}
if IOResult <>0 then
begin
writeln('File khong ton tai');
exit;
end;
rewrite(g);
while not Eof(f) do
begin
read(f, Sv);
with Sv do
begin
Str(diemtb,bdiem:5:2);
St:= hoten+#32+ngaysinh+#32+quequan+#32+Bdiem;
writeln(g,St);
end;
end;
Close(f);
Close(g);
readln;
End.
Program Vidu_8;
Var
f,g: Text;
S:array[byte] of real;
m,n,i,j: byte;
Begin
assign(f,’MT.INP’);
reset(f);
readln(f,m,n);
fillchar(S,m,0);
for i:= 1 to m do
begin
for j:=1 to n do
begin
read(f,x);
S[i]:=S[i]+x;
end;
readln(f);
end;
close(f);
assign(g,’KQ.OUT’);
rewrite(g);
writeln(g,m);
for i:= 1 to m do
write(g,S[i]:0:2,#32);
close(g);
End.
Program Vidu_9;
Var
f,g: Text;
A, B, C, D:array[1..100,1..100] of integer;
m,n,p,q,i,j,k,l,r,s: byte;
Begin
assign(f,’MATRIX.INP’);
reset(f);
readln(f,m,n,p,q);
fillchar(D,mxq,0);
for i := 1 to m do
begin
for j:= 1 to n do read(f,A[i,j]);
readln(f);
end;
for j:= 1 to n do
begin
for k:=1 to p do read(f,B[j,k]);
readln(f);
end;
for k:= 1 to p do
begin
for l:=1 to q do read(f,C[k,l]);
readln(f);
end;
close(f);
assign(g,’MATRIX.OUT’);
rewrite(g);
writeln(g,m,#32,q);
for i:= 1 to m do
begin
for l:=1 to q do
begin
for j:= 1 to n do
for k:=1 to p do
D[i,l] := D[i,l] + A[i,j]*B[j,k]*C[k,l];
write(g,D[i,l], #32);
end;
writeln(g);
end;
close(g);
readln;
End.
Program Vi_du_10;
Var
f,g: Text;
S:array[1..100] of real;
T: Set of byte;
GTMax: real;
m,n,i,j: byte;
Begin
assign(f,’DULIEU.INP’);
reset(f);
readln(f,m,n);
fillchar(S,m,0);
for i:= 1 to m do
begin
S:=0;
for j:=1 to n do
begin
read(f,x);
S[i]:=S[i]+x;
end;
readln(f);
end;
close(f);
T:=[1];
GTMax:=S[1];
for i:= 2 to m do
if S[i] > GtMax then
begin
T:=[i];
GtMax:= S[i];
end
else
if S[i] = GTMax then
T:= T+[i];
assign(g,’DULIEU.OUT’);
rewrite(g);
writeln(g,GTMax:0:2);
for i:=1 to 100 do
if i in T then
write(g,i,#32);
readln;
End.
Program Sao_chep_File;
const
bufsize = 200;
var
f,g: file;
File_nguon, file_dich: String;
Buf: array[1..63000] of Byte;
No_read, Temp: integer;
Begin
write(‘Nhap ten file nguon: ‘);
readln(file_nguon);
assign(f,file_nguon);
reset(f);
write(‘Nhap ten file dich: ‘);
readln(file_dich);
assign(g,file_dich);
rewrite(g);
Temp:= filesize(f);
while Temp > 0 do
begin
if bufsize < =Temp then
No_read:= bufsize
else
No_read:= Temp;
BlockRead((f, Buf, No_read);
BlockWrite(g,Buf, No_Read);
Temp:=Temp – No_read;
end;
close(g);
End.