Misc/number_utils.h

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• Last update: 2023-05-27 17:03:38+08:00

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// return digits of an integer (reversed order) {{{
vector<int> get_digits(int n) {
    if (n == 0) return {0};
    vector<int> res;
    while (n > 0) {
        res.push_back(n % 10);
        n /= 10;
    }
    return res;
}
// }}}
// reverse an integer {{{
int reverse(int n) {
    int res = 0;
    while (n > 0) {
        res = res * 10 + n % 10;
        n /= 10;
    }
    return res;
}
// }}}

#line 1 "Misc/number_utils.h"
// return digits of an integer (reversed order) {{{
vector<int> get_digits(int n) {
    if (n == 0) return {0};
    vector<int> res;
    while (n > 0) {
        res.push_back(n % 10);
        n /= 10;
    }
    return res;
}
// }}}
// reverse an integer {{{
int reverse(int n) {
    int res = 0;
    while (n > 0) {
        res = res * 10 + n % 10;
        n /= 10;
    }
    return res;
}
// }}}

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