Submission #993865
Source Code Expand
#include <cstdio> #include <cassert> #include <algorithm> #include <set> using namespace std; typedef long long llong; llong inf = 1e14; inline llong pw(llong x, int b) { llong res = 1; for (int i = 0; i < b; i++) { if (res >= inf / x) res = inf; else res *= x; } return res; } inline llong minsum(llong n, int k) { llong a = 1, b = n + 1; while (b - a > 1) { llong m = (a + b) / 2; if (pw(m, k) <= n) a = m; else b = m; } for (int i = 0; i <= k; i++) { llong vala = pw(a, k - i); llong valb = pw(b, i); llong val = (vala >= inf / valb) ? inf : vala * valb; if (val >= n) return (k - i) * a + i * b; } assert(false); return -1; } int main() { llong n, a; scanf("%lld %lld", &n, &a); llong ans = inf; for (int k = 1; k <= 50; k++) { ans = min(ans, (k - 1) * a + minsum(n, k)); } printf("%lld\n", ans); }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | Zlobober |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1066 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:44:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld %lld", &n, &a); ^
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 500 / 500 | ||||||
Status |
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Set Name | Test Cases |
---|---|
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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 1 ms | 128 KB |
01-02.txt | AC | 1 ms | 128 KB |
01-03.txt | AC | 1 ms | 128 KB |
01-04.txt | AC | 1 ms | 128 KB |
01-05.txt | AC | 1 ms | 128 KB |
01-06.txt | AC | 1 ms | 128 KB |
01-07.txt | AC | 1 ms | 128 KB |
01-08.txt | AC | 1 ms | 128 KB |
01-09.txt | AC | 1 ms | 128 KB |
01-10.txt | AC | 1 ms | 128 KB |
01-11.txt | AC | 1 ms | 128 KB |
01-12.txt | AC | 1 ms | 128 KB |
01-13.txt | AC | 1 ms | 128 KB |
01-14.txt | AC | 1 ms | 128 KB |
01-15.txt | AC | 1 ms | 128 KB |
01-16.txt | AC | 1 ms | 128 KB |
01-17.txt | AC | 1 ms | 128 KB |
01-18.txt | AC | 1 ms | 128 KB |
01-19.txt | AC | 1 ms | 128 KB |
01-20.txt | AC | 1 ms | 128 KB |
01-21.txt | AC | 1 ms | 128 KB |
01-22.txt | AC | 1 ms | 128 KB |
01-23.txt | AC | 1 ms | 128 KB |
01-24.txt | AC | 1 ms | 128 KB |
01-25.txt | AC | 1 ms | 128 KB |
01-26.txt | AC | 1 ms | 128 KB |
02-01.txt | AC | 1 ms | 128 KB |
02-02.txt | AC | 1 ms | 128 KB |
02-03.txt | AC | 1 ms | 128 KB |
02-04.txt | AC | 1 ms | 128 KB |
02-05.txt | AC | 1 ms | 128 KB |
02-06.txt | AC | 1 ms | 128 KB |
02-07.txt | AC | 1 ms | 128 KB |
02-08.txt | AC | 1 ms | 128 KB |
02-09.txt | AC | 1 ms | 128 KB |
02-10.txt | AC | 1 ms | 128 KB |
02-11.txt | AC | 1 ms | 128 KB |
02-12.txt | AC | 1 ms | 128 KB |
02-13.txt | AC | 1 ms | 128 KB |
02-14.txt | AC | 1 ms | 128 KB |
02-15.txt | AC | 1 ms | 128 KB |
02-16.txt | AC | 1 ms | 128 KB |
02-17.txt | AC | 1 ms | 128 KB |
02-18.txt | AC | 1 ms | 128 KB |
02-19.txt | AC | 1 ms | 128 KB |
02-20.txt | AC | 1 ms | 128 KB |
02-21.txt | AC | 1 ms | 128 KB |
02-22.txt | AC | 1 ms | 128 KB |
02-23.txt | AC | 1 ms | 128 KB |
02-24.txt | AC | 1 ms | 128 KB |
02-25.txt | AC | 1 ms | 128 KB |
02-26.txt | AC | 1 ms | 128 KB |
02-27.txt | AC | 1 ms | 128 KB |
02-28.txt | AC | 1 ms | 128 KB |
02-29.txt | AC | 1 ms | 128 KB |
02-30.txt | AC | 1 ms | 128 KB |
02-31.txt | AC | 1 ms | 128 KB |
02-32.txt | AC | 1 ms | 128 KB |
02-33.txt | AC | 1 ms | 128 KB |
02-34.txt | AC | 1 ms | 128 KB |
02-35.txt | AC | 1 ms | 128 KB |
02-36.txt | AC | 1 ms | 128 KB |
02-37.txt | AC | 1 ms | 128 KB |
02-38.txt | AC | 1 ms | 128 KB |
02-39.txt | AC | 1 ms | 128 KB |
02-40.txt | AC | 1 ms | 128 KB |
sample-01.txt | AC | 1 ms | 128 KB |
sample-02.txt | AC | 1 ms | 128 KB |
sample-03.txt | AC | 1 ms | 128 KB |