diff options
Diffstat (limited to 'Year_1/Programming_2/algorithms/log.cc')
-rw-r--r-- | Year_1/Programming_2/algorithms/log.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Year_1/Programming_2/algorithms/log.cc b/Year_1/Programming_2/algorithms/log.cc new file mode 100644 index 0000000..1e49a2e --- /dev/null +++ b/Year_1/Programming_2/algorithms/log.cc @@ -0,0 +1,25 @@ +#include<iostream> + +using namespace std; + +double log(double n) { + if(n <= 2) return 1.0; + return 1.0 + log(n/2); +} + +int log2(double n) { + int a = 1; + + while(n > 2) { + n /= 2; + ++a; + } + + return a; +} + +int main() { + for(int i = 0; i < 25; ++i) + cout << i << ' ' << log(i) << ' ' << log2(i) << endl; + return 0; +} |