viết chương trình tìm số nguyên lớn nhất trong n số nguyên đã có trong tệp baitap.txt và ghi vào tệp solonnhat.txt
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Câu 2:
uses crt;
var a,b:integer;
{-----------------chuong-trinh-con-------------------}
function ucln(x,y:integer):integer;
var i,uc:integer;
begin
if x<y then
begin
uc:=1;
for i:=1 to x do
if (x mod i=0) and (y mod i=0) then
begin
if uc<i then uc:=i;
end;
end
else begin
uc:=1;
for i:=1 to y do
if (x mod i=0) and (y mod i=0) then
begin
if uc<i then uc:=i;
end;
end;
ucln:=uc;
end;
{--------------------------chuong-trinh-chinh------------------------}
begin
clrscr;
write('Nhap a='); readln(a);
write('Nhap b='); readln(b);
writeln(a,'/',b,'=',a div ucln(a,b),'/',b div ucln(a,b));
readln;
end.
Câu 1:
const fi='songuyen.inp';
fo='tong.out';
var f1,f2:text;
a:array[1..100]of integer;
i,n,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eoln(f1) do
begin
n:=n+1;
read(f1,a[n]);
end;
t:=0;
for i:=1 to n do
if a[i] mod 2=0 then t:=t+a[i];
writeln(f2,t);
close(f1);
close(f2);
end.
const fi='tong.inp';
fo='tong.out';
var f1,f2:text;
a:array[1..100]of integer;
n,i,t:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do
read(f1,a[i]);
t:=0;
for i:=1 to n do
t:=t+a[i];
writeln(f2,t);
close(f1);
close(f2);
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
freopen("dulieu.txt","r",stdin);
freopen("ketqua.txt","w",stdout);
cin>>a>>b;
cout<<max(a,b);
return 0;
}
Uses crt;
var f1,f2:text;
i,n,tong,tongchan,dem:integer;
tb:real;
Begin
clrscr;
Assign(f1,'DAYSO.txt');
Assign(f2,'KETQUA.txt');
reset(f1);dem:=0;tong:=0;tongchan:=0;
While Not EOF(f1) do
Begin
read(f1,i);
inc(tong,i);
If i mod 2 = 0 then
begin
inc(dem);
inc(tongchan,i);
end;
End;
tb:=tongchan/dem;
close(f1);
rewrite(f2);
writeln(f2,tong);
writeln(f2,tongchan);
writeln(f2,tb:0:2);
close(f2);
write(tong);
readln;
End.
const fi='input.txt';
fo='output.txt';
var f1,f2:text;
a,b,c,max:real;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b,c);
min:=a;
if min>b then min:=b;
if min>c then min:=c;
writeln(f2,min);
close(f1);
close(f2);
end.
const fi='input.inp';
fo='output.out';
var a,b:integer;
f1,f2:text;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
if a<b then writeln(f2,a)
else writeln(f2,b);
close(f1);
close(f2);
end.
const fi='dulieu.txt';
fo='ketqua.txt';
var f1,f2:text;
a,b,c,d:array[1..100]of integer;
i,n,dem,dem1:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
n:=0;
while not eof(f1) do
begin
n:=n+1;
readln(f1,a[n],b[n]);
end;
dem:=0;
dem1:=0;
for i:=1 to n do
if a[i]>b[i] then
begin
inc(dem);
inc(dem1);
c[dem]:=a[i];
d[dem]:=b[i];
end
else begin
inc(dem);
inc(dem1);
c[dem]:=b[i];
d[dem]:=a[i];
end;
for i:=1 to dem do
write(f2,c[i]:4);
writeln(f2);
for i:=1 to dem1 do
write(f2,d[i]:4);
close(f1);
close(f2);
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b,c,d;
int main()
{
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
cin>>a>>b>>c>>d;
cout<<a+b+c+d;
return 0;
}
Uses crt; Var f1,f2:text; i,n,max:integer; a:array[1..100] of integer; Begin Assign(f1,'baitap.txt');reset(f1); Assign(f2,'solonnhat.txt');rewrite(f2); While not eof(f1) do Begin Read(f1,n,a[i]); Max:=a[1]; For i:=2 to n do if a[i]>max then max:=a[i]; End; Writeln(f2,'solonnhatla:',max); Close(f1);close(f2); End.
uses crt;
var n,max :integer;
f1,f2:text;
begin
clrscr;
assign(f1,'baitap.txt'); reset(f1);
assign(f2,'solonhat.txt'); rewrite(f2);
max:=0;
while not eof(f1) do
begin
read(f1,n);
if max <n then max:=n;
end;
writeln('solonhatla: ',max:5);
write(f2,max);
close(f1);close(f2);
readln;
end.