Submission #6973429
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define REP(i,m,n) for(int i=(m);i<(n);i++) #define rep(i,n) REP(i,0,n) typedef long long ll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; const int inf=1e9+7; int main(){ int n,h;cin>>n>>h; priority_queue<pii>pq; rep(i,n){ int a,b;cin>>a>>b; pq.push(make_pair(a,0)); pq.push(make_pair(b,1)); } ll count=0; while(h>0){ if(pq.top().second){ h-=pq.top().first; pq.pop(); count++; } else{ count+=((h-1)/pq.top().first+1); h=0; } } cout<<count<<endl; }
Submission Info
Submission Time | |
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Task | D - Katana Thrower |
User | auaua |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 677 Byte |
Status | AC |
Exec Time | 88 ms |
Memory | 2420 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 | 88 ms | 2420 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 88 ms | 2420 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 | 43 ms | 2420 KB |
b14 | AC | 39 ms | 2420 KB |
b15 | AC | 34 ms | 2420 KB |
b16 | AC | 44 ms | 2420 KB |
b17 | AC | 54 ms | 2420 KB |
b18 | AC | 47 ms | 2420 KB |
b19 | AC | 54 ms | 2420 KB |
b20 | AC | 53 ms | 2420 KB |
b21 | AC | 61 ms | 2420 KB |
b22 | AC | 67 ms | 2420 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 3 ms | 384 KB |