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#include <bits/stdc++.h>
using namespace std;
long long x,n,i,dem1,dem2,t1,t2;
int main()
{
cin>>n;
dem1=0;
dem2=0;
t1=0;
t2=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x>0)
{
dem1++;
t1+=x;
}
if (x<0)
{
dem2++;
t2+=x;
}
}
cout<<dem1<<" "<<dem2<<endl;
cout<<t1<<" "<<t2;
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int a[100][100],i,j,m,n;
cout<<"Nhap so dong cua mang:"; cin>>n;
cout<<"Nhap so cot cua mang:"; cin>>m;
for (i=1; i<=n; i++)
for (j=1; j<=m; j++)
{
cout<<"A["<<i<<","<<j<<"]="; cin>>a[i][j];
}
for (i=1; i<=n; i++)
{
for (j=1; j<=m; j++)
cout<<a[i][j]<<" ";
cout<<endl;
}
return 0;
}
1:
#include <bits/stdc++.h>
using namespace std;
long long t1,t2,i,n,x;
int main()
{
cin>>n;
t1=0;
t2=0;
for (i=1; i<=n; i++)
{
cin>>x;
if (x>0) t1=t1+x;
else t2=t2+x;
}
cout<<t1<<" "<<t2;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
long long n,i,t,dem,x;
int main()
{
cin>>n;
t=0;
dem=0;
for (i=1; i<=n; i++)
{
cin>>x;
t=t+x;
if (x%2==0) dem++;
}
cout<<t<<endl;
cout<<dem;
return 0;
}
uses crt;
var b,a:array[1..100]of integer;
i,n,dem,dem1,dem2,t:integer;
begin
clrscr;
write('Nhap n='); readln(n);
for i:=1 to n do
begin
write('B[',i,']='); readln(b[i]);
end;
dem:=0;
dem1:=0;
for i:=1 to n do
begin
if b[i]<0 then inc(dem);
if b[i]>0 then inc(dem1);
end;
writeln('So phan tu am la: ',dem);
writeln('So phan tu duong la: ',dem1);
t:=0;
for i:=1 to n do
if b[i]<>0 then t:=t+b[i];
writeln('Trung binh cac phan tu khac 0 trong mang la: ',t/(dem+dem1):4:2);
min:=b[1];
for i:=1 to n do
if min>b[i] then min:=b[i];
dem2:=0;
for i:=1 to n do
if min=b[i] then
begin
inc(dem2);
a[dem2]:=i;
end;
writeln('Gia tri nho nhat la: ',min);
writeln('Chi so la: ');
for i:=1 to dem2 do
write(a[i]:4);
readln;
end.
Program HOC24;
var i,d,n: integer;
a: array[1..32000] of integer;
begin
write('Nhap N: '); readln(n);
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
end;
write('Nhap k: '); readln(k);
d:=0;
for i:=1 to n do if a[i]=k then d:=d+1;
write('Co ',d,' phan tu bang ',k);
readln
end.
Program hotrotinhoc_hoc24;
var a: array[1..32000] of integer;
i,t,t1,d,d1,n: integer;
begin
write('Nhap so phan tu : '); readln(n);
d:=0; d1:=0; t:=0; t1:=0;
for i:=1 to n do
begin
write('a[',i,']='); readln(a[i]);
if a[i]<0 then
begin
inc(d);
t:=t+a[i];
end;
if a[i]>0 then
begin
inc(d1);
t1:=t1+a[i];
end;
end;
for i:=1 to n do writeln(a[i]);
writeln('Trong mang co ',d,' so nguyen am');
writeln('Trong mang co ',d1,' so nguyen duong');
writeln('Tong cac so nguyen am trong mang la : ',t);
write('Tong cac so nguyen duong trong mang la : ',t);
readln
end.