Submission #1007348
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=(x);i<(y);++i) #define debug(x) #x << "=" << (x) #ifdef DEBUG #define _GLIBCXX_DEBUG #define print(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl #else #define print(x) #endif const int inf=1e9; const int64_t inf64=1e18; const double eps=1e-9; template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec){ os << "["; for (const auto &v : vec) { os << v << ","; } os << "]"; return os; } vector<int> suffix_array(const string &s){ const int n=s.size(); vector<int> rank(n+1),sa(n+1),tmp(n+1); for(int i=0; i<=n; ++i){ sa[i]=i; rank[i]=i<n?s[i]:-1; } for(int k=1; k<=n; k*=2){ auto compare=[&](int i,int j){ if(rank[i]!=rank[j]) return rank[i]<rank[j]; else{ int ri=i+k<=n?rank[i+k]:-1; int rj=j+k<=n?rank[j+k]:-1; return ri<rj; } }; sort(sa.begin(),sa.end(),compare); tmp[sa[0]]=0; for(int i=1; i<=n; ++i){ tmp[sa[i]]=tmp[sa[i-1]]+(compare(sa[i-1],sa[i])?1:0); } for(int i=0; i<=n; ++i){ rank[i]=tmp[i]; } } return sa; } void solve(){ int k; string s; cin >> k >> s; vector<int> sa=suffix_array(s),rank(s.size()+1); rep(i,0,s.size()+1) rank[sa[i]]=i; int l=(s.size()+k)/(k+1); auto ok=[&](int x){ int count=0; for(int i=0; i<s.size();){ if(rank[i]<=x) i+=l; else{ if(l-1==0) return false; i+=l-1; } ++count; } return count<=k+1; }; int lb=0,ub=s.size(); while(ub-lb>1){ int m=(lb+ub)/2; if(ok(m)) ub=m; else lb=m; } cout << s.substr(sa[ub],l) << endl; } int main(){ std::cin.tie(0); std::ios::sync_with_stdio(false); cout.setf(ios::fixed); cout.precision(10); solve(); return 0; }
Submission Info
Submission Time | |
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Task | B - Problem where Commas Separate Digits |
User | walkre |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 2141 Byte |
Status | AC |
Exec Time | 84 ms |
Memory | 1616 KB |
Judge Result
Set Name | Sample | Dataset1 | Dataset2 | Dataset3 | Dataset4 | Dataset5 | ||||||||||||
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Score / Max Score | 0 / 0 | 100 / 100 | 100 / 100 | 200 / 200 | 200 / 200 | 400 / 400 | ||||||||||||
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Set Name | Test Cases |
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Sample | subtask_02_ex1.txt, subtask_03_ex2.txt, subtask_03_ex3.txt |
Dataset1 | subtask_01_01.txt, subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_05.txt, subtask_01_06.txt, subtask_01_07.txt, subtask_01_08.txt, subtask_01_09.txt, subtask_01_10.txt, subtask_01_11.txt, subtask_01_12.txt, subtask_01_13.txt, subtask_01_14.txt, subtask_01_15.txt, subtask_01_16.txt, subtask_01_17.txt |
Dataset2 | subtask_01_01.txt, subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_05.txt, subtask_01_06.txt, subtask_01_07.txt, subtask_01_08.txt, subtask_01_09.txt, subtask_01_10.txt, subtask_01_11.txt, subtask_01_12.txt, subtask_01_13.txt, subtask_01_14.txt, subtask_01_15.txt, subtask_01_16.txt, subtask_01_17.txt, subtask_02_01.txt, subtask_02_02.txt, subtask_02_03.txt, subtask_02_04.txt, subtask_02_05.txt, subtask_02_06.txt, subtask_02_07.txt, subtask_02_08.txt, subtask_02_09.txt, subtask_02_10.txt, subtask_02_11.txt, subtask_02_12.txt, subtask_02_13.txt, subtask_02_14.txt, subtask_02_ex1.txt |
Dataset3 | subtask_01_01.txt, subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_05.txt, subtask_01_06.txt, subtask_01_07.txt, subtask_01_08.txt, subtask_01_09.txt, subtask_01_10.txt, subtask_01_11.txt, subtask_01_12.txt, subtask_01_13.txt, subtask_01_14.txt, subtask_01_15.txt, subtask_01_16.txt, subtask_01_17.txt, subtask_02_01.txt, subtask_02_02.txt, subtask_02_03.txt, subtask_02_04.txt, subtask_02_05.txt, subtask_02_06.txt, subtask_02_07.txt, subtask_02_08.txt, subtask_02_09.txt, subtask_02_10.txt, subtask_02_11.txt, subtask_02_12.txt, subtask_02_13.txt, subtask_02_14.txt, subtask_02_ex1.txt, subtask_03_01.txt, subtask_03_02.txt, subtask_03_03.txt, subtask_03_04.txt, subtask_03_05.txt, subtask_03_06.txt, subtask_03_07.txt, subtask_03_08.txt, subtask_03_09.txt, subtask_03_10.txt, subtask_03_11.txt, subtask_03_12.txt, subtask_03_13.txt, subtask_03_14.txt, subtask_03_15.txt, subtask_03_ex2.txt, subtask_03_ex3.txt |
Dataset4 | subtask_01_01.txt, subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_05.txt, subtask_01_06.txt, subtask_01_07.txt, subtask_01_08.txt, subtask_01_09.txt, subtask_01_10.txt, subtask_01_11.txt, subtask_01_12.txt, subtask_01_13.txt, subtask_01_14.txt, subtask_01_15.txt, subtask_01_16.txt, subtask_01_17.txt, subtask_02_01.txt, subtask_02_02.txt, subtask_02_03.txt, subtask_02_04.txt, subtask_02_05.txt, subtask_02_06.txt, subtask_02_07.txt, subtask_02_08.txt, subtask_02_09.txt, subtask_02_10.txt, subtask_02_11.txt, subtask_02_12.txt, subtask_02_13.txt, subtask_02_14.txt, subtask_02_ex1.txt, subtask_03_01.txt, subtask_03_02.txt, subtask_03_03.txt, subtask_03_04.txt, subtask_03_05.txt, subtask_03_06.txt, subtask_03_07.txt, subtask_03_08.txt, subtask_03_09.txt, subtask_03_10.txt, subtask_03_11.txt, subtask_03_12.txt, subtask_03_13.txt, subtask_03_14.txt, subtask_03_15.txt, subtask_03_ex2.txt, subtask_03_ex3.txt, subtask_04_01.txt, subtask_04_02.txt, subtask_04_03.txt, subtask_04_04.txt, subtask_04_05.txt, subtask_04_06.txt, subtask_04_07.txt, subtask_04_08.txt, subtask_04_09.txt, subtask_04_10.txt, subtask_04_11.txt, subtask_04_12.txt, subtask_04_13.txt, subtask_04_14.txt, subtask_04_15.txt |
Dataset5 | subtask_01_01.txt, subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_05.txt, subtask_01_06.txt, subtask_01_07.txt, subtask_01_08.txt, subtask_01_09.txt, subtask_01_10.txt, subtask_01_11.txt, subtask_01_12.txt, subtask_01_13.txt, subtask_01_14.txt, subtask_01_15.txt, subtask_01_16.txt, subtask_01_17.txt, subtask_02_01.txt, subtask_02_02.txt, subtask_02_03.txt, subtask_02_04.txt, subtask_02_05.txt, subtask_02_06.txt, subtask_02_07.txt, subtask_02_08.txt, subtask_02_09.txt, subtask_02_10.txt, subtask_02_11.txt, subtask_02_12.txt, subtask_02_13.txt, subtask_02_14.txt, subtask_02_ex1.txt, subtask_03_01.txt, subtask_03_02.txt, subtask_03_03.txt, subtask_03_04.txt, subtask_03_05.txt, subtask_03_06.txt, subtask_03_07.txt, subtask_03_08.txt, subtask_03_09.txt, subtask_03_10.txt, subtask_03_11.txt, subtask_03_12.txt, subtask_03_13.txt, subtask_03_14.txt, subtask_03_15.txt, subtask_03_ex2.txt, subtask_03_ex3.txt, subtask_04_01.txt, subtask_04_02.txt, subtask_04_03.txt, subtask_04_04.txt, subtask_04_05.txt, subtask_04_06.txt, subtask_04_07.txt, subtask_04_08.txt, subtask_04_09.txt, subtask_04_10.txt, subtask_04_11.txt, subtask_04_12.txt, subtask_04_13.txt, subtask_04_14.txt, subtask_04_15.txt, subtask_05_01.txt, subtask_05_02.txt, subtask_05_03.txt, subtask_05_04.txt, subtask_05_05.txt, subtask_05_06.txt, subtask_05_07.txt, subtask_05_08.txt, subtask_05_09.txt, subtask_05_10.txt, subtask_05_11.txt, subtask_05_12.txt, subtask_05_13.txt, subtask_05_14.txt, subtask_05_15.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask_01_01.txt | AC | 3 ms | 256 KB |
subtask_01_02.txt | AC | 3 ms | 256 KB |
subtask_01_03.txt | AC | 3 ms | 256 KB |
subtask_01_04.txt | AC | 2 ms | 256 KB |
subtask_01_05.txt | AC | 3 ms | 256 KB |
subtask_01_06.txt | AC | 3 ms | 256 KB |
subtask_01_07.txt | AC | 3 ms | 256 KB |
subtask_01_08.txt | AC | 3 ms | 256 KB |
subtask_01_09.txt | AC | 3 ms | 256 KB |
subtask_01_10.txt | AC | 3 ms | 256 KB |
subtask_01_11.txt | AC | 3 ms | 256 KB |
subtask_01_12.txt | AC | 3 ms | 256 KB |
subtask_01_13.txt | AC | 3 ms | 256 KB |
subtask_01_14.txt | AC | 3 ms | 256 KB |
subtask_01_15.txt | AC | 3 ms | 256 KB |
subtask_01_16.txt | AC | 3 ms | 256 KB |
subtask_01_17.txt | AC | 3 ms | 256 KB |
subtask_02_01.txt | AC | 3 ms | 256 KB |
subtask_02_02.txt | AC | 3 ms | 256 KB |
subtask_02_03.txt | AC | 3 ms | 256 KB |
subtask_02_04.txt | AC | 3 ms | 256 KB |
subtask_02_05.txt | AC | 3 ms | 256 KB |
subtask_02_06.txt | AC | 3 ms | 256 KB |
subtask_02_07.txt | AC | 3 ms | 256 KB |
subtask_02_08.txt | AC | 3 ms | 256 KB |
subtask_02_09.txt | AC | 3 ms | 256 KB |
subtask_02_10.txt | AC | 3 ms | 256 KB |
subtask_02_11.txt | AC | 3 ms | 256 KB |
subtask_02_12.txt | AC | 3 ms | 256 KB |
subtask_02_13.txt | AC | 3 ms | 256 KB |
subtask_02_14.txt | AC | 3 ms | 256 KB |
subtask_02_ex1.txt | AC | 3 ms | 256 KB |
subtask_03_01.txt | AC | 3 ms | 256 KB |
subtask_03_02.txt | AC | 3 ms | 256 KB |
subtask_03_03.txt | AC | 3 ms | 256 KB |
subtask_03_04.txt | AC | 3 ms | 256 KB |
subtask_03_05.txt | AC | 3 ms | 256 KB |
subtask_03_06.txt | AC | 3 ms | 256 KB |
subtask_03_07.txt | AC | 3 ms | 256 KB |
subtask_03_08.txt | AC | 3 ms | 256 KB |
subtask_03_09.txt | AC | 3 ms | 256 KB |
subtask_03_10.txt | AC | 3 ms | 256 KB |
subtask_03_11.txt | AC | 3 ms | 256 KB |
subtask_03_12.txt | AC | 3 ms | 256 KB |
subtask_03_13.txt | AC | 3 ms | 256 KB |
subtask_03_14.txt | AC | 3 ms | 256 KB |
subtask_03_15.txt | AC | 2 ms | 256 KB |
subtask_03_ex2.txt | AC | 2 ms | 256 KB |
subtask_03_ex3.txt | AC | 3 ms | 256 KB |
subtask_04_01.txt | AC | 3 ms | 256 KB |
subtask_04_02.txt | AC | 3 ms | 256 KB |
subtask_04_03.txt | AC | 3 ms | 256 KB |
subtask_04_04.txt | AC | 3 ms | 256 KB |
subtask_04_05.txt | AC | 3 ms | 256 KB |
subtask_04_06.txt | AC | 3 ms | 256 KB |
subtask_04_07.txt | AC | 3 ms | 256 KB |
subtask_04_08.txt | AC | 3 ms | 256 KB |
subtask_04_09.txt | AC | 3 ms | 256 KB |
subtask_04_10.txt | AC | 3 ms | 256 KB |
subtask_04_11.txt | AC | 3 ms | 256 KB |
subtask_04_12.txt | AC | 3 ms | 256 KB |
subtask_04_13.txt | AC | 3 ms | 256 KB |
subtask_04_14.txt | AC | 3 ms | 256 KB |
subtask_04_15.txt | AC | 3 ms | 256 KB |
subtask_05_01.txt | AC | 83 ms | 1616 KB |
subtask_05_02.txt | AC | 84 ms | 1616 KB |
subtask_05_03.txt | AC | 82 ms | 1616 KB |
subtask_05_04.txt | AC | 82 ms | 1616 KB |
subtask_05_05.txt | AC | 82 ms | 1616 KB |
subtask_05_06.txt | AC | 82 ms | 1616 KB |
subtask_05_07.txt | AC | 82 ms | 1616 KB |
subtask_05_08.txt | AC | 81 ms | 1616 KB |
subtask_05_09.txt | AC | 82 ms | 1616 KB |
subtask_05_10.txt | AC | 84 ms | 1616 KB |
subtask_05_11.txt | AC | 79 ms | 1616 KB |
subtask_05_12.txt | AC | 71 ms | 1616 KB |
subtask_05_13.txt | AC | 56 ms | 1280 KB |
subtask_05_14.txt | AC | 74 ms | 1536 KB |
subtask_05_15.txt | AC | 29 ms | 768 KB |