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Jerror/main.cpp

Created June 6, 2018 01:01
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Revisions

  1. Jerror created this gist Jun 6, 2018.
    58 changes: 58 additions & 0 deletions main.cpp
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,58 @@
    #include <cstring>
    #include <optional>
    using namespace std;

    const int A = 4;
    const int B = 6;
    const int CD = 8;
    const int E = 6;

    optional<int> fa(int a)
    {
    if (a >= A) {
    return a/2;
    } else {
    return nullopt;
    }
    }

    optional<int> fb(int b)
    {
    if (b >= B) {
    return b/3;
    } else {
    return nullopt;
    }
    }

    optional<int> fcd(int c, int d)
    {
    if (c*d >= CD) {
    return c*d/2;
    } else {
    return nullopt;
    }
    }

    optional<int> fe(int e)
    {
    if (e >= E) {
    return e;
    } else {
    return nullopt;
    }
    }

    int main(int argc, char *argv[])
    {
    int a = atoi(argv[1]);
    int b = atoi(argv[2]);

    if (optional<int> tmp, x;
    (tmp = fa(a)) && (x = fb(b)) && (x = fcd(*tmp, *x)) && (x = fe(*x)))
    {
    return *x;
    } else {
    return 0;
    }
    }