Submission #993011
Source Code Expand
#include <cstdlib> #include <cmath> #include <climits> #include <cfloat> #include <map> #include <set> #include <iostream> #include <string> #include <vector> #include <algorithm> #include <sstream> #include <complex> #include <stack> #include <queue> #include <cstdio> #include <cstring> #include <iterator> #include <bitset> #include <unordered_set> #include <unordered_map> #include <fstream> #include <iomanip> #include <cassert> //#include <utility> //#include <memory> //#include <functional> //#include <deque> //#include <cctype> //#include <ctime> //#include <numeric> //#include <list> //#include <iomanip> //#if __cplusplus >= 201103L //#include <array> //#include <tuple> //#include <initializer_list> //#include <forward_list> // //#define cauto const auto& //#else //#endif using namespace std; typedef long long ll; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef vector<int> vint; typedef vector<vector<int> > vvint; typedef vector<long long> vll, vLL; typedef vector<vector<long long> > vvll, vvLL; #define VV(T) vector<vector< T > > template <class T> void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){ v.assign(a, vector<T>(b, t)); } template <class F, class T> void convert(const F &f, T &t){ stringstream ss; ss << f; ss >> t; } #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define reep(i,a,b) for(int i=(a);i<(b);++i) #define rep(i,n) reep((i),0,(n)) #define ALL(v) (v).begin(),(v).end() #define PB push_back #define F first #define S second #define mkp make_pair #define RALL(v) (v).rbegin(),(v).rend() #define DEBUG #ifdef DEBUG #define dump(x) cout << #x << " = " << (x) << endl; #define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl; #else #define dump(x) #define debug(x) #endif #define MOD 1000000007LL #define EPS 1e-8 #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL #define maxs(x,y) x=max(x,y) #define mins(x,y) x=min(x,y) void mainmain(){ int N,A; cin>>N>>A; assert(N<2000000&&A<2000000); vll dp(N+100,INFL); dp[1] = 0; dp[N] = N; reep(i,1,N){ ll c = 2*i; ll t = dp[i]+2; while(1){ mins(dp[min((int)c,N)], t+A); if(c>=N) break; c+=i; t++; } } cout << dp[N] - A << endl; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout<<fixed<<setprecision(20); mainmain(); }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | j_gui0121 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 2504 Byte |
Status | WA |
Exec Time | 388 ms |
Memory | 8064 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | 0 / 500 | ||||||||||||||
Status |
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 64 ms | 8064 KB |
01-02.txt | AC | 65 ms | 8064 KB |
01-03.txt | AC | 65 ms | 8064 KB |
01-04.txt | AC | 69 ms | 8064 KB |
01-05.txt | AC | 63 ms | 8064 KB |
01-06.txt | AC | 64 ms | 8064 KB |
01-07.txt | AC | 63 ms | 8064 KB |
01-08.txt | AC | 64 ms | 8064 KB |
01-09.txt | AC | 63 ms | 8064 KB |
01-10.txt | AC | 65 ms | 8064 KB |
01-11.txt | AC | 63 ms | 8064 KB |
01-12.txt | WA | 63 ms | 8064 KB |
01-13.txt | WA | 65 ms | 8064 KB |
01-14.txt | AC | 5 ms | 768 KB |
01-15.txt | AC | 30 ms | 4352 KB |
01-16.txt | AC | 30 ms | 4352 KB |
01-17.txt | AC | 63 ms | 7936 KB |
01-18.txt | AC | 3 ms | 256 KB |
01-19.txt | AC | 3 ms | 256 KB |
01-20.txt | AC | 3 ms | 256 KB |
01-21.txt | WA | 3 ms | 256 KB |
01-22.txt | AC | 3 ms | 256 KB |
01-23.txt | AC | 3 ms | 256 KB |
01-24.txt | AC | 3 ms | 256 KB |
01-25.txt | AC | 3 ms | 256 KB |
01-26.txt | AC | 3 ms | 256 KB |
02-01.txt | RE | 388 ms | 256 KB |
02-02.txt | RE | 115 ms | 256 KB |
02-03.txt | RE | 118 ms | 256 KB |
02-04.txt | RE | 116 ms | 256 KB |
02-05.txt | RE | 118 ms | 256 KB |
02-06.txt | RE | 119 ms | 256 KB |
02-07.txt | RE | 118 ms | 256 KB |
02-08.txt | RE | 116 ms | 256 KB |
02-09.txt | RE | 121 ms | 256 KB |
02-10.txt | RE | 116 ms | 256 KB |
02-11.txt | RE | 118 ms | 256 KB |
02-12.txt | RE | 117 ms | 256 KB |
02-13.txt | RE | 117 ms | 256 KB |
02-14.txt | RE | 118 ms | 256 KB |
02-15.txt | RE | 118 ms | 256 KB |
02-16.txt | RE | 117 ms | 256 KB |
02-17.txt | RE | 115 ms | 256 KB |
02-18.txt | RE | 118 ms | 256 KB |
02-19.txt | RE | 118 ms | 256 KB |
02-20.txt | RE | 117 ms | 256 KB |
02-21.txt | RE | 119 ms | 256 KB |
02-22.txt | RE | 117 ms | 256 KB |
02-23.txt | RE | 118 ms | 256 KB |
02-24.txt | RE | 119 ms | 256 KB |
02-25.txt | RE | 117 ms | 256 KB |
02-26.txt | RE | 116 ms | 384 KB |
02-27.txt | RE | 118 ms | 256 KB |
02-28.txt | RE | 118 ms | 256 KB |
02-29.txt | RE | 115 ms | 256 KB |
02-30.txt | RE | 118 ms | 256 KB |
02-31.txt | RE | 117 ms | 256 KB |
02-32.txt | RE | 116 ms | 256 KB |
02-33.txt | RE | 119 ms | 256 KB |
02-34.txt | RE | 119 ms | 256 KB |
02-35.txt | RE | 116 ms | 256 KB |
02-36.txt | RE | 118 ms | 256 KB |
02-37.txt | RE | 118 ms | 256 KB |
02-38.txt | RE | 116 ms | 256 KB |
02-39.txt | RE | 115 ms | 256 KB |
02-40.txt | RE | 118 ms | 256 KB |
sample-01.txt | AC | 3 ms | 256 KB |
sample-02.txt | RE | 116 ms | 256 KB |
sample-03.txt | AC | 7 ms | 1280 KB |