src/Helper/MsbLsb.hpp

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Last update: 2020-03-29 16:30:46+09:00
Include: #include "src/Helper/MsbLsb.hpp"

Code

int get_msb(long long x) {
    assert(x != 0);
    return 63 - __builtin_clzll(x);
}
int get_lsb(long long x) {
    assert(x != 0);
    return __builtin_ctzll(x);
}

#line 1 "src/Helper/MsbLsb.hpp"
int get_msb(long long x) {
    assert(x != 0);
    return 63 - __builtin_clzll(x);
}
int get_lsb(long long x) {
    assert(x != 0);
    return __builtin_ctzll(x);
}