Submission #1444628
Source Code Expand
#include <iostream> #include <cstdio> #include <algorithm> #include <cstdlib> #include <cstring> #include <cmath> #include <vector> #include <queue> using namespace std; #define FOR(i,a,b) for (ll i = (a); i < (b); i++) #define REP(i,n) FOR(i,0,n) long gcd(long a, long b){ if (a%b==0){ return b; } else{ return gcd(b,a%b); } } long lcm(long a, long b){ return (a*b) / gcd(a,b); } template<typename A, typename B> inline bool chmax(A &a, B b) { if (a < b) { a = b; return 1; } return 0; } template<typename A, typename B> inline bool chmin(A &a, B b) { if (a > b) { a = b; return 1; } return 0; } typedef long long ll; const ll INF = 1ll<<60; const ll MOD = 1000000007; const double EPS = 1e-10; ll f(ll a, ll b){ return max((ll)log10(a)+1, (ll)log10(b)+1); } int main(){ ll n; cin >> n; double root = pow(n, 0.5); ll r = (ll)root; r++; ll a = 1; FOR(i,2,r+1){ if (n%i == 0) a = i; } cout << f(a, n/a) << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Digits in Multiplication |
User | Lemonmaru |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 1032 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 384 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
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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 | 3 ms | 384 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 | 1 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 |