Submission #1832548
Source Code Expand
# include <bits/stdc++.h> # define fr first # define sc second # define ll long long # define mk make_pair # define pb push_back # define sz(s) (int)s.size() # define all(s) s.begin(), s.end() using namespace std; const int N = 2e7+10; const ll inf = 1e15+7; ll n, m, ans; ll dp[N]; vector <ll> v; int main () { cin >> n >> m; if(m + 1 >= n) { cout << n << endl; return 0; } ll L = 1; ll R = m + 1; while(R - L > 1) { ll x1 = L + (R - L + 1) / 3; ll x2 = R - (R - L + 1) / 3; if(x1 + (n + (x1 - 1)) / x1 + m < x2 + (n + (x2 - 1)) / x2 + m) R = x2; else L = x1; } ans = n; for(ll i = max(1ll, L - 10); i <= min(n, R + 10); i++) { ans = min(ans, i + (n + (i - 1)) / i + m); } if(m <= 30000000) { for(ll i = m + 2; i < ans; i++) { if(dp[i - m - 1] == 0) dp[i - m - 1] = i - m - 1; if(v.empty() || dp[i - m - 1] > dp[v.back()]) v.pb(i - m - 1); dp[i] = i; for(ll j = 0; j < sz(v); j++) { dp[i] = max(dp[i], dp[v[j]] * (i - m - v[j])); } if(dp[i] >= n) { cout << i << endl; return 0; } if(i + (n + (dp[i] - 1)) / dp[i] + m < ans) ans = i + (n + (dp[i] - 1)) / dp[i] + m; //cout << i << " " << dp[i] << endl; } } cout << ans << endl; } /** 1000000000000 1000000000 **/
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1489 Byte |
Status | WA |
Exec Time | 2103 ms |
Memory | 3320 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 0 / 500 | ||||||||||
Status |
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 1 ms | 256 KB |
01-02.txt | AC | 1 ms | 256 KB |
01-03.txt | AC | 1 ms | 256 KB |
01-04.txt | AC | 1 ms | 256 KB |
01-05.txt | AC | 1 ms | 256 KB |
01-06.txt | AC | 1 ms | 256 KB |
01-07.txt | AC | 1 ms | 256 KB |
01-08.txt | AC | 1 ms | 256 KB |
01-09.txt | AC | 1 ms | 256 KB |
01-10.txt | AC | 1 ms | 256 KB |
01-11.txt | AC | 1 ms | 256 KB |
01-12.txt | AC | 4 ms | 2304 KB |
01-13.txt | AC | 1 ms | 256 KB |
01-14.txt | AC | 1 ms | 256 KB |
01-15.txt | AC | 1 ms | 256 KB |
01-16.txt | AC | 1 ms | 256 KB |
01-17.txt | AC | 1 ms | 256 KB |
01-18.txt | AC | 1 ms | 256 KB |
01-19.txt | AC | 1 ms | 256 KB |
01-20.txt | AC | 1 ms | 256 KB |
01-21.txt | AC | 1 ms | 256 KB |
01-22.txt | AC | 1 ms | 256 KB |
01-23.txt | AC | 1 ms | 256 KB |
01-24.txt | AC | 1 ms | 256 KB |
01-25.txt | AC | 1 ms | 256 KB |
01-26.txt | AC | 1 ms | 256 KB |
02-01.txt | AC | 1 ms | 256 KB |
02-02.txt | AC | 1 ms | 256 KB |
02-03.txt | AC | 1 ms | 256 KB |
02-04.txt | AC | 1 ms | 256 KB |
02-05.txt | AC | 1 ms | 256 KB |
02-06.txt | AC | 1 ms | 256 KB |
02-07.txt | AC | 1 ms | 256 KB |
02-08.txt | AC | 1 ms | 256 KB |
02-09.txt | AC | 1 ms | 256 KB |
02-10.txt | AC | 1 ms | 256 KB |
02-11.txt | AC | 1 ms | 256 KB |
02-12.txt | AC | 1 ms | 256 KB |
02-13.txt | AC | 1 ms | 256 KB |
02-14.txt | AC | 1 ms | 256 KB |
02-15.txt | AC | 1 ms | 256 KB |
02-16.txt | AC | 2 ms | 256 KB |
02-17.txt | AC | 2 ms | 256 KB |
02-18.txt | AC | 3 ms | 256 KB |
02-19.txt | AC | 8 ms | 384 KB |
02-20.txt | AC | 60 ms | 512 KB |
02-21.txt | TLE | 2055 ms | 1404 KB |
02-22.txt | TLE | 2103 ms | 3320 KB |
02-23.txt | WA | 1 ms | 256 KB |
02-24.txt | AC | 1 ms | 256 KB |
02-25.txt | AC | 1 ms | 256 KB |
02-26.txt | AC | 1 ms | 256 KB |
02-27.txt | AC | 1 ms | 256 KB |
02-28.txt | AC | 1 ms | 256 KB |
02-29.txt | AC | 1 ms | 256 KB |
02-30.txt | AC | 1 ms | 256 KB |
02-31.txt | AC | 1 ms | 256 KB |
02-32.txt | AC | 1 ms | 256 KB |
02-33.txt | AC | 1 ms | 256 KB |
02-34.txt | AC | 1 ms | 256 KB |
02-35.txt | AC | 1 ms | 256 KB |
02-36.txt | AC | 1 ms | 256 KB |
02-37.txt | AC | 7 ms | 384 KB |
02-38.txt | AC | 121 ms | 640 KB |
02-39.txt | TLE | 2103 ms | 3320 KB |
02-40.txt | TLE | 2103 ms | 3320 KB |
sample-01.txt | AC | 1 ms | 256 KB |
sample-02.txt | AC | 1 ms | 256 KB |
sample-03.txt | AC | 1 ms | 256 KB |