結果
問題 | No.78 クジ付きアイスバー |
ユーザー | shimomire |
提出日時 | 2014-11-26 01:51:07 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 5,789 bytes |
コンパイル時間 | 1,290 ms |
コンパイル使用メモリ | 125,308 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-08 00:00:03 |
合計ジャッジ時間 | 2,444 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 2 ms
5,248 KB |
testcase_13 | AC | 2 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 1 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 1 ms
5,248 KB |
testcase_31 | AC | 2 ms
5,248 KB |
testcase_32 | AC | 1 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 1 ms
5,248 KB |
testcase_35 | AC | 2 ms
5,248 KB |
testcase_36 | AC | 2 ms
5,248 KB |
testcase_37 | AC | 2 ms
5,248 KB |
testcase_38 | AC | 1 ms
5,248 KB |
ソースコード
#include <cassert>// c #include <iostream>// io #include <iomanip> #include <fstream> #include <sstream> #include <vector>// container #include <map> #include <set> #include <queue> #include <bitset> #include <stack> #include <algorithm>// other #include <complex> #include <numeric> #include <functional> #include <random> #include <regex> using namespace std; using i32=int32_t;using i64=int64_t;using ll =i64;using uint=uint32_t;using ull=uint64_t; template<typename T> using matrix=vector<vector<T> >; #define ALL(c) (begin(c)),(end(c)) #define REP(i,n) FOR(i,0,n) #define REPr(i,n) FORr(i,0,n) #define FOR(i,l,r) for(int i=(int)(l);i<(int)(r);++i) #define FORr(i,l,r) for(int i=(int)(r)-1;i>=(int)(l);--i) #define EACH(it,o) for(auto it = (o).begin(); it != (o).end(); ++it) #define IN(l,v,r) ((l)<=(v) && (v)<(r)) #define UNIQUE(v) v.erase(unique(ALL(v)),v.end()) //debug #define DUMP(x) cerr << #x << " = " << (x) #define LINE() cerr<< " (L" << __LINE__ << ")" class range { private: struct Iter{ int v; int operator*(){return v;} bool operator!=(Iter& itr) {return v < itr.v;} void operator++() {++v;} }; Iter i, n; public: range(int n) : i({0}), n({n}) {} range(int i, int n) : i({i}), n({n}) {} Iter& begin() {return i;} Iter& end() {return n;} }; //output template<typename T> ostream& operator << (ostream& os, const vector<T>& as){REP(i,as.size()){if(i!=0)os<<" "; os<<as[i];}return os;} template<typename T> ostream& operator << (ostream& os, const vector<vector<T>>& as){REP(i,as.size()){if(i!=0)os<<endl; os<<as[i];}return os;} template<typename T> ostream& operator << (ostream& os, const set<T>& ss){for(auto a:ss){if(a!=ss.begin())os<<" "; os<<a;}return os;} template<typename T1,typename T2> ostream& operator << (ostream& os, const pair<T1,T2>& p){os<<p.first<<" "<<p.second;return os;} template<typename K,typename V> ostream& operator << (ostream& os, const map<K,V>& m){bool isF=true;for(auto& p:m){if(!isF)os<<endl;os<<p;isF=false;}return os;} template<typename T1> ostream& operator << (ostream& os, const tuple<T1>& t){os << get<0>(t);return os;} template<typename T1,typename T2> ostream& operator << (ostream& os, const tuple<T1,T2>& t){os << get<0>(t)<<" "<<get<1>(t);return os;} template<typename T1,typename T2,typename T3> ostream& operator << (ostream& os, const tuple<T1,T2,T3>& t){os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t);return os;} template<typename T1,typename T2,typename T3,typename T4> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4>& t){os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t);return os;} template<typename T1,typename T2,typename T3,typename T4,typename T5> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4,T5>& t){os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t)<<" "<<get<4>(t);return os;} template<typename T1,typename T2,typename T3,typename T4,typename T5,typename T6> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4,T5,T6>& t){os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t)<<" "<<get<4>(t)<<" "<<get<5>(t);return os;} template<typename T1,typename T2,typename T3,typename T4,typename T5,typename T6,typename T7> ostream& operator << (ostream& os, const tuple<T1,T2,T3,T4,T5,T6,T7>& t){os << get<0>(t)<<" "<<get<1>(t)<<" "<<get<2>(t)<<" "<<get<3>(t)<<" "<<get<4>(t)<<" "<<get<5>(t)<<" "<<get<6>(t);return os;} //input char tmp[1000]; #define nextInt(n) scanf("%d",&n) #define nextLong(n) scanf("%lld",&n) //I64d #define nextDouble(n) scanf("%lf",&n) #define nextChar(n) scanf("%c",&n) #define nextString(n) scanf("%s",tmp);n=tmp // values template<typename T> T INF(){assert(false);}; template<> int INF<int>(){return 1<<28;}; template<> ll INF<ll>(){return 1LL<<58;}; template<> double INF<double>(){return 1e16;}; template<class T> T EPS(){assert(false);}; template<> int EPS<int>(){return 1;}; template<> ll EPS<ll>(){return 1LL;}; template<> double EPS<double>(){return 1e-8;}; template<> long double EPS<long double>(){return 1e-8;}; template<typename T,typename U> T pmod(T v,U M){return (v%M+M)%M;} ll gcd_positive(ll a,ll b) { return b == 0 ? a : gcd_positive(b,a%b); } ll gcd(ll a,ll b) { return gcd_positive(abs(a), abs(b)); } ll lcm(ll a,ll b){return a/gcd(a,b)*b;} class Main{ public: void run(){ int N;ll K;cin >> N >> K; string s;cin >> s; vector<int> next(N,-1);//1ステップ後の位置 REP(i,N){ int v=0;v+=s[i]-'0'; for(int j=i+1;j<=i+N;j++){ if(v==0){ next[i]=j%N;break; } v--; v+=s[j%N]-'0'; } } vector<ll> add(N,INF<ll>());//1ステップで買える個数 REP(i,N)if(next[i]!=-1){ add[i]=pmod(next[i]-i,N);if(add[i]==0)add[i]=N; } int DB=40; vector<vector<int>> nxtdbl(DB,vector<int>(N,-1)); //2^kステップ後の位置 nxtdbl[0]=next; for(int i=1;i<DB;i++)REP(j,N){ if(nxtdbl[i-1][j]==-1)nxtdbl[i][j]=-1; else nxtdbl[i][j]=nxtdbl[i-1][nxtdbl[i-1][j]]; } vector<vector<ll>> adddbl(DB,vector<ll>(N,INF<ll>())); //2^kステップで買える個数 adddbl[0]=add; for(int i=1;i<DB;i++)REP(j,N){ if(nxtdbl[i-1][j]==-1)break; adddbl[i][j]=min(adddbl[i-1][j]+adddbl[i-1][nxtdbl[i-1][j]],INF<ll>()); } ll l=0,r=2000000000LL; while(r-l>1){ ll m=(l+r)/2; int pos=0,d=0; ll sum=0;ll mt=m; while(mt!=0){ if(mt%2){ sum=min(sum+adddbl[d][pos],INF<ll>()); pos=nxtdbl[d][pos]; if(pos==-1)break; } mt/=2;d++; } if(sum>=K){ r=m; }else{ l=m; } } cout << r << endl; } }; int main(){ cout <<fixed<<setprecision(20); cin.tie(0); ios::sync_with_stdio(false); Main().run(); return 0; }