diff options
| author | Paul Jungeblut <s_jungeb@i08pc79.atis-stud.uni-karlsruhe.de> | 2014-11-26 11:46:02 +0100 |
|---|---|---|
| committer | Paul Jungeblut <s_jungeb@i08pc79.atis-stud.uni-karlsruhe.de> | 2014-11-26 11:46:02 +0100 |
| commit | 7a217262958cdf11dfb1f90b86df31acde90ff45 (patch) | |
| tree | 8d96850058853910ebf2ef75827b0862180fd0c1 /sonstiges/josephus2.cpp | |
| parent | 2c133b76f193478bb85d41a76ae78695cc067452 (diff) | |
| parent | 24507ee02a8fe20fb22ae30642e3b15e411e82eb (diff) | |
merge
Diffstat (limited to 'sonstiges/josephus2.cpp')
| -rw-r--r-- | sonstiges/josephus2.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sonstiges/josephus2.cpp b/sonstiges/josephus2.cpp new file mode 100644 index 0000000..7676e3c --- /dev/null +++ b/sonstiges/josephus2.cpp @@ -0,0 +1,8 @@ +int rotateLeft(int n) { //returns the number of the last survivor (1 based) + for (int i = 31; i >= 0; i--) + if (n & (1 << i)) { + n &= ~(1 << i); + break; + } + n <<= 1; n++; return n; +}
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