Submission #1948088
Source Code Expand
#include<bits/stdc++.h> using namespace std; using Int = long long; signed main(){ Int n,h; cin>>n>>h; vector<Int> a(n),b(n); for(Int i=0;i<n;i++) cin>>a[i]>>b[i]; Int x=*max_element(a.begin(),a.end()); Int s=0,c=0; for(Int i=0;i<n;i++) if(b[i]>x) s+=b[i],c++; using P = pair<Int, Int>; vector<P> v(n); for(Int i=0;i<n;i++) v[i]=P(b[i],a[i]); sort(v.rbegin(),v.rend()); { Int sum=0; for(Int i=0;i<n;i++){ sum+=max(v[i].first,x); if(sum>=h){ cout<<i+1<<endl; return 0; } } } Int ans=c+((h-s)+x-1)/x; cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Katana Thrower |
User | beet |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 621 Byte |
Status | AC |
Exec Time | 90 ms |
Memory | 3328 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 | 90 ms | 3328 KB |
b07 | AC | 1 ms | 256 KB |
b08 | AC | 90 ms | 3328 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 | 36 ms | 3328 KB |
b14 | AC | 35 ms | 3328 KB |
b15 | AC | 36 ms | 3328 KB |
b16 | AC | 35 ms | 3328 KB |
b17 | AC | 60 ms | 3328 KB |
b18 | AC | 53 ms | 3328 KB |
b19 | AC | 46 ms | 3328 KB |
b20 | AC | 51 ms | 3328 KB |
b21 | AC | 55 ms | 3328 KB |
b22 | AC | 60 ms | 3328 KB |
b23 | AC | 1 ms | 256 KB |
b24 | AC | 3 ms | 256 KB |