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const fi='sn.inp';
fo='sn.out';
var f1,f2:text;
a,b:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
writeln(f2,a-b);
close(f1);
close(f2);
end.
const fi='sn.inp';
fo='sn.out';
var f1,f2:text;
a,b:integer;
begin
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,a,b);
writeln(f2,a-b);
close(f1);
close(f2);
end.
const fi='bai1.inp';
fo='bai1.out';
var f1,f2:text;
a:array[1..100]of integer;
n,i,t,dem: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;
dem:=0;
for i:=1 to n do
begin
if a[i] mod 2<>0 then t:=t+a[i]
else inc(dem);
end;
writeln(f2,'Tong cac so le la: ',t);
writeln(f2,'So so chan la: ',dem);
close(f1);
close(f2);
end.
Uses crt;
Var i,n,tong:integer;
a:array[1..10000] of integer;
f1,f2:text;
Begin
clrscr;
Assign(f1,'tinhtong.inp');
Assign(f2,'tinhtong.out');
tong:=0;
Reset(f1);readln(f1,n);
For i:= 1 to n do
Begin
read(f1,a[i]);
tong:=tong+a[i];
End;
close(f1);
rewrite(f2);
Writeln(f2,tong);
Readln;
End.
1:
uses crt;
const fi='songuyen.doc';
var i:integer;
f1:text;
begin
clrscr;
assign(f1,fi); rewrite(f1);
for i:=1 to 10 do write(f1,i:4);
close(f1);
readln;
end.
uses crt;
const fi='songuyen.inp';
fo='songuyen2.out';
var a:array[1..100]of integer;
i,n,t1:integer;
f1,f2:text;
begin
clrscr;
assign(f1,fi); reset(f1);
assign(f2,fo); rewrite(f2);
readln(f1,n);
for i:=1 to n do readln(f1,a[i]);
t1:=0;
for i:=1 to n do if a[i] mod 2<>0 then t1:=t1+a[i];
writeln(t1);
writeln(f2,t1);
for i:=1 to n do
if a[i] mod 2<>0 then write(a[i]:4);
close(f1);
close(f2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a,b;
double tb;
int main()
{
freopen("dulieu.inp","r",stdin);
freopen("ketqua.out","w",stdout);
cin>>a>>b;
cout<<a<<" "<<b;
cout<<fixed<<setprecision(2)<<(a*1.0+b*1.0)/(2*1.0);
return 0;
}
Lời giải :
program hotrotinhoc ;
cont a ='sn.inp' ;
b ='sn.out' ;
var
f: text ;
i,n,S,T : integer ;
begin
assign(a,f);
reset(f);
read(f,n);
close(f);
assign(b,f);
rewrite(f);
S:=0;
for i:=1 to n do
if i mod 2= 0 then S:=S+i;
writeln(f,'Tong cac so chan la',S);
for i:= 1 to n do
if i mod 2=1 then T:=T+i ;
writeln(f,'Tong cac so chan la ',T);
close(f);
end.