Submission #2240475


Source Code Expand

#include <iostream>

using namespace std;
using ll = long long;

int count_digits(ll n) {
    int digits = 0;
    while (n > 0) {
        n /= 10;
        digits++;
    }

    return digits;
}

int main() {
    ll n;
    cin >> n;

    int min = count_digits(n);
    for (ll a = 1; a * a <= n; a++) {
        if (n % a != 0)
            continue;
        ll b = n / a;
        int cur = max(count_digits(a), count_digits(b));
        
        if (min > cur)
            min = cur;
    }

    cout << min << endl;

    return 0;
}

Submission Info

Submission Time
Task C - Digits in Multiplication
User retrage01
Language C++14 (GCC 5.4.1)
Score 300
Code Size 562 Byte
Status AC
Exec Time 2 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 15
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 2 ms 256 KB
subtask_1_1.txt AC 1 ms 256 KB
subtask_1_10.txt AC 2 ms 256 KB
subtask_1_11.txt AC 1 ms 256 KB
subtask_1_12.txt AC 1 ms 256 KB
subtask_1_2.txt AC 1 ms 256 KB
subtask_1_3.txt AC 2 ms 256 KB
subtask_1_4.txt AC 2 ms 256 KB
subtask_1_5.txt AC 2 ms 256 KB
subtask_1_6.txt AC 2 ms 256 KB
subtask_1_7.txt AC 2 ms 256 KB
subtask_1_8.txt AC 2 ms 256 KB
subtask_1_9.txt AC 2 ms 256 KB