Submission #1323651
Source Code Expand
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } //--------------------------------------------------------------------------------------------------- /*--------------------------------------------------------------------------------------------------- ∧_∧ ∧_∧ (´<_` ) Welcome to My Coding Space! ( ´_ゝ`) / ⌒i / \ | | / / ̄ ̄ ̄ ̄/ | __(__ニつ/ _/ .| .|____ \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ typedef long long ll; int N, A, B, H[101010]; //--------------------------------------------------------------------------------------------------- bool check(ll x) { ll c = 0; rep(i, 0, N) { ll h = 1LL * H[i] - 1LL * x * B; if (h <= 0) continue; c += h / A; if (h % A) c++; } return c <= x; } //--------------------------------------------------------------------------------------------------- void _main() { cin >> N >> A >> B; A -= B; rep(i, 0, N) cin >> H[i]; int ng = 0, ok = 1010101010; while (ng + 1 != ok) { int x = (ng + ok) / 2; if (check(x)) ok = x; else ng = x; } cout << ok << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Widespread |
User | hamayanhamayan |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1563 Byte |
Status | AC |
Exec Time | 42 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | a01, a02, a03 |
All | a01, a02, a03, b04, b05, b06, b07, b08, b09, b10, b11, b12, b13 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 1 ms | 256 KB |
a02 | AC | 1 ms | 256 KB |
a03 | AC | 1 ms | 256 KB |
b04 | AC | 1 ms | 256 KB |
b05 | AC | 14 ms | 640 KB |
b06 | AC | 42 ms | 640 KB |
b07 | AC | 25 ms | 640 KB |
b08 | AC | 26 ms | 640 KB |
b09 | AC | 15 ms | 640 KB |
b10 | AC | 13 ms | 640 KB |
b11 | AC | 15 ms | 640 KB |
b12 | AC | 16 ms | 640 KB |
b13 | AC | 36 ms | 640 KB |