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author | Santo Cariotti <sancn@live.com> | 2017-02-15 19:45:37 +0100 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-02-15 19:45:37 +0100 |
commit | a058ecdd549034aaaa0a80f4ae19abba9183d830 (patch) | |
tree | c4fe410203389936e908c3590eb3e5c19afaf02a | |
parent | 881ffec87c9a10b599b7aa162f02669ceb0d89bd (diff) |
Update and rename vettPositivi.cc to vettMul2.cc
-rw-r--r-- | vettMul2.cc (renamed from vettPositivi.cc) | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/vettPositivi.cc b/vettMul2.cc index d64aafe..5f45228 100644 --- a/vettPositivi.cc +++ b/vettMul2.cc @@ -2,10 +2,12 @@ /* dato un vettore di grandezza 100, stampare i valori caricati precedentemente che sono multipli del numero 2 */ + #include <iostream> #include <time.h> #include <stdlib.h> #include <vector> +#include <math.h> using namespace std; @@ -18,6 +20,22 @@ int n_rand(int num) return num; } +bool potenza2(int num) +{ + bool x = false; + + for(int i = 0; i < n; i++) + { + if(pow(2,i) == num) { + x = true; + break; + } + } + + if(x) return true; + else return false; +} + int main() { srand(time(0)); @@ -27,7 +45,7 @@ int main() for(i = 0; i < n; i++) { vett1[i] = n_rand(n_casuale); - if((vett1[i] % 2) == 0) + if(potenza2(vett1[i])) vett2.push_back(vett1[i]); } |