1₂ = 1₁₀
10₂ =2₁₀
11₂ = 3₁₀
100₂ = 4₁₀
101₂ = 5₁₀
110₂ = 6₁₀
111₂ = 7₁₀
1000₂ = 8₁₀
1001₂ = 9₁₀
1010₂ = 10₁₀
1011₂ = 11₁₀
1100₂ = 12₁₀
1101₂ = 13₁₀
1110₂ = 14₁₀
1111₂ = 15₁₀
это таблица для перевода координат точек в 10-ную систему
Объяснение:
1₂ = 1*2⁰ = 1₁₀
10₂ = 0*2⁰ + 1*2¹ = 2₁₀
11₂ = 1*2⁰ + 1*2¹ = 3₁₀
100₂ = 0*2⁰ + 0*2¹ + 1*2² = 4₁₀
101₂ = 1*2⁰ + 0*2¹ + 1*2² = 5₁₀
110₂ = 0*2⁰ + 1*2¹ + 1*2² = 6₁₀
111₂ = 1*2⁰ + 1*2¹ + 1*2² = 7₁₀
1000₂ = 0*2⁰ + 0*2¹ + 0*2² + 1*2³ = 8₁₀
1001₂ = 1*2⁰ + 0*2¹ + 0*2² + 1*2³ = 9₁₀
1010₂ = 0*2⁰ + 1*2¹ + 0*2² + 1*2³ = 10₁₀
1011₂ = 1*2⁰ + 1*2¹ + 0*2² + 1*2³ = 11₁₀
1100₂ = 0*2⁰ + 0*2¹ + 1*2² + 1*2³ = 12₁₀
1101₂ = 1*2⁰ + 0*2¹ + 1*2² + 1*2³ = 13₁₀
1110₂ = 0*2⁰ + 1*2¹ + 1*2² + 1*2³ = 14₁₀
1111₂ = 1*2⁰ + 1*2¹ + 1*2² + 1*2³ = 15₁₀
1₂ = 1₁₀
10₂ =2₁₀
11₂ = 3₁₀
100₂ = 4₁₀
101₂ = 5₁₀
110₂ = 6₁₀
111₂ = 7₁₀
1000₂ = 8₁₀
1001₂ = 9₁₀
1010₂ = 10₁₀
1011₂ = 11₁₀
1100₂ = 12₁₀
1101₂ = 13₁₀
1110₂ = 14₁₀
1111₂ = 15₁₀
это таблица для перевода координат точек в 10-ную систему
Объяснение:
1₂ = 1*2⁰ = 1₁₀
10₂ = 0*2⁰ + 1*2¹ = 2₁₀
11₂ = 1*2⁰ + 1*2¹ = 3₁₀
100₂ = 0*2⁰ + 0*2¹ + 1*2² = 4₁₀
101₂ = 1*2⁰ + 0*2¹ + 1*2² = 5₁₀
110₂ = 0*2⁰ + 1*2¹ + 1*2² = 6₁₀
111₂ = 1*2⁰ + 1*2¹ + 1*2² = 7₁₀
1000₂ = 0*2⁰ + 0*2¹ + 0*2² + 1*2³ = 8₁₀
1001₂ = 1*2⁰ + 0*2¹ + 0*2² + 1*2³ = 9₁₀
1010₂ = 0*2⁰ + 1*2¹ + 0*2² + 1*2³ = 10₁₀
1011₂ = 1*2⁰ + 1*2¹ + 0*2² + 1*2³ = 11₁₀
1100₂ = 0*2⁰ + 0*2¹ + 1*2² + 1*2³ = 12₁₀
1101₂ = 1*2⁰ + 0*2¹ + 1*2² + 1*2³ = 13₁₀
1110₂ = 0*2⁰ + 1*2¹ + 1*2² + 1*2³ = 14₁₀
1111₂ = 1*2⁰ + 1*2¹ + 1*2² + 1*2³ = 15₁₀
using namespace std;
int main() {
int n,t,ans=0;
cin>>n;
for(int i=0;i<n;i++)
{
cin>>t;
if(abs(t%2)==1) ans++;
}
cout<<ans<<endl;
return 0;
}