Submission #3283024
Source Code Expand
#include <cstdio> #include <iostream> #include <string> #include <vector> #include <sstream> #include <map> #include <set> #include <queue> #include <algorithm> #include <cmath> #include <cstdlib> #include <cstring> #include <typeinfo> #include <numeric> #include <functional> #include <unordered_map> #include <bitset> #include <stack> using namespace std; using ll = long long; using ull = unsigned long long; const ll INF = 1e16; const ll MOD = 1e9 + 7; #define REP(i, n) for(ll i = 0; i < n; i++) int main() { ll n, h; cin >> n >> h; ll max_a = 0; vector<ll> b(n); REP(i, n){ ll a, t; cin >> a >> t; max_a = max(max_a, a); b[i] = t; } sort(b.begin(), b.end(), greater<ll>()); ll ans = 0, sum = 0; REP(i, n){ if(max_a > b[i]){ break; } sum += b[i]; ans++; if(sum >= h){ break; } } if(sum < h){ ans += ((h - sum) % max_a == 0)? (h - sum) / max_a : (h - sum) / max_a + 1; } cout << ans << endl; }
Submission Info
Submission Time | |
---|---|
Task | D - Katana Thrower |
User | chocobo |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1136 Byte |
Status | AC |
Exec Time | 87 ms |
Memory | 1024 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 | 87 ms | 1024 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 87 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 | 33 ms | 1024 KB |
b14 | AC | 33 ms | 1024 KB |
b15 | AC | 33 ms | 1024 KB |
b16 | AC | 33 ms | 1024 KB |
b17 | AC | 54 ms | 1024 KB |
b18 | AC | 47 ms | 1024 KB |
b19 | AC | 40 ms | 1024 KB |
b20 | AC | 44 ms | 1024 KB |
b21 | AC | 50 ms | 1024 KB |
b22 | AC | 53 ms | 1024 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 2 ms | 256 KB |