Submission #1952643
Source Code Expand
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #pragma GCC optimize ("-O3") 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 ⊃ ---------------------------------------------------------------------------------------------------*/ int N, H, A[101010], B[101010]; //--------------------------------------------------------------------------------------------------- int solve() { int ma = 0; rep(i, 0, N) ma = max(ma, A[i]); vector<int> v; rep(i, 0, N) if (ma < B[i]) v.push_back(B[i]); sort(v.begin(), v.end(), greater<int>()); int ans = 0; fore(x, v) { ans++; H -= x; if (H <= 0) return ans; } ans += (H + ma - 1) / ma; return ans; } //--------------------------------------------------------------------------------------------------- void _main() { cin >> N >> H; rep(i, 0, N) cin >> A[i] >> B[i]; cout << solve() << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Katana Thrower |
User | hamayanhamayan |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1643 Byte |
Status | AC |
Exec Time | 22 ms |
Memory | 1660 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | a01, a02, a03, a04 |
All | a01, a02, a03, a04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
a01 | AC | 1 ms | 256 KB |
a02 | AC | 1 ms | 256 KB |
a03 | AC | 1 ms | 256 KB |
a04 | AC | 1 ms | 256 KB |
b05 | AC | 1 ms | 256 KB |
b06 | AC | 22 ms | 1024 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 22 ms | 1024 KB |
b09 | AC | 1 ms | 256 KB |
b10 | AC | 1 ms | 256 KB |
b11 | AC | 1 ms | 256 KB |
b12 | AC | 1 ms | 256 KB |
b13 | AC | 14 ms | 1660 KB |
b14 | AC | 14 ms | 1660 KB |
b15 | AC | 13 ms | 1024 KB |
b16 | AC | 13 ms | 1024 KB |
b17 | AC | 16 ms | 1024 KB |
b18 | AC | 15 ms | 1024 KB |
b19 | AC | 17 ms | 1660 KB |
b20 | AC | 18 ms | 1660 KB |
b21 | AC | 22 ms | 1660 KB |
b22 | AC | 21 ms | 1660 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 2 ms | 256 KB |