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program bai1;
var
begin
write('Ten cua ban la ');readln(ten);
write('Nam hien tai la ');readln(nht);
write('Nhap nam sinh ');readln(ns);
write('Ban hoc lop ');readln(lop);
tuoi:=nht-ns;
writeln('Ten cua ban la ',tuoi);
readln
end.
uses crt;
var st:string;
i,d,dem:integer;
begin
clrscr;
readln(st);
d:=length(st);
dem:=0;
for i:=1 to d do
if st[i]=' ' then dem:=dem+1;
writeln(dem+1);
readln;
end.
uses crt;
var a:array[1..100]of integer;
i,n,dem1,dem2,t1,t2,sa,sd,vt1,vt2:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
dem1:=0;
t1:=0;
dem2:=0;
t2:=0;
for i:=1 to n do
begin
if a[i]>0 then begin inc(dem1); t1:=t1+a[i]; end;
if a[i]<0 then begin inc(dem2); t2:=t2+a[i]; end;
end;
writeln(dem1);
writeln(dem2);
writeln(t1);
writeln(t2);
for i:=1 to n do
if a[i]>0 then
begin
sd:=a[i];
vt1:=i;
break;
end;
if (dem1=0) then writeln('Khong co so duong trong day')
else writeln('So duong dau tien la: ',sd,' vi tri la: ',vt1);
for i:=1 to n do
if a[i]<0 then
begin
sa:=a[i];
vt2:=i;
break;
end;
if (dem2=0) then writeln('Khong co so am trong day')
else writeln('So am dau tien la: ',sa,' vi tri la: ',vt2);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
long long a[10000],n,i;
int main()
{
freopen("bai2.inp","r",stdin);
freopen("bai2.out","w",stdout);
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
for (i=n; i>=1; i--) cout<<a[i]<<" ";
return 0;
}
Câu 8:
#include <bits/stdc++.h>
using namespace std;
long long a[250],n,i;
int main()
{
cin>>n;
for (i=1; i<=n; i++) cin>>a[i];
sort(a+1,a+n+1);
for (i=1; i<=n; i++) cout<<a[i]<<" ";
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int main()
{
long long a[100],n,i,t,s;
cin>>n;
for (i=1; i<=n; i++)
cin>>a[i];
t=0;
s=1;
for (i=1; i<=n; i++)
{
t=t+a[i];
s=s*a[i];
}
cout<<"Tong la:"<<t<<endl;
cout<<"Tich la:"<<s<<endl;
return 0;
}
uses crt;
var a:array[1..100]of integer;
i,n,t,t1,dem:integer;
begin
clrscr;
readln(n);
for i:=1 to n do readln(a[i]);
t:=0;
for i:=1 to n do
if a[i]>0 then t:=t+a[i];
t1:=0;
for i:=1 to n do
if (a[i]>0) and (a[i] mod 2<>0) then t1:=t1+a[i];
dem:=0;
for i:=1 to n do
if a[i]>0 then dem:=dem+1;
writeln(t);
writeln(t1);
writeln(dem1);
readln;
end.