Submission #1216588
Source Code Expand
#include "bits/stdc++.h" using namespace std; #ifndef _DEBUG #define main_ main #endif #define FOR(i,s,e) for (int i = int(s); i != int(e); i++) template <typename T> using keyVal = pair<string, T>; template<typename T> bool val_greater(const keyVal<T>& left, const keyVal<T>& right) { return left.second > right.second; } int count_dif(string& s, int pos, string& a) { int cnt = 0; vector<bool> used(a.size(), false); for (int i = pos; i < s.size(); i++) { bool match = false; for (int j = 0; j < a.size(); j++) { if (a[j] == s[i] && !used[j]) { match = true; used[j] = true; break; } } if (!match) cnt++; } return cnt; } void dfs(string& a, int pos, int lim, string& s, string& ans) { if (a.size() == 0) return; for (int i = 0; i < a.size(); i++) { string t = a; t.erase(i, 1); int dl = (s[pos] != a[i]) ? -1 : 0; if (count_dif(s, pos + 1, t) <= lim + dl) { ans += a[i]; dfs(t, pos + 1, lim + dl, s, ans); return; } } vector<bool> used(a.size(), false); vector<bool> fixed(s.size(), false); for (int i = pos; i < s.size(); i++) { for (int j = 0; j < a.size(); j++) { if (s[i] == a[j]) { ans += a[j]; used[j] = true; fixed[i] = true; break; } } } for (int i = pos; i < s.size(); i++) { if (fixed[i]) continue; for (int j = 0; j < a.size(); j++) { if (!used[j]) { ans += a[j]; used[j] = true; break; } } } } int main_() { int n, k; cin >> n >> k; string s; cin >> s; string a = s; sort(a.begin(), a.end()); string ans; dfs(a, 0, k, s, ans); cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - 辞書式順序ふたたび |
User | apprec |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 1709 Byte |
Status | AC |
Exec Time | 14 ms |
Memory | 256 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | hand_1_0.txt, hand_1_1.txt, hand_1_2.txt, hand_1_3.txt, hand_1_4.txt, hand_1_5.txt, hand_1_6.txt, hand_1_7.txt, hand_1_8.txt, hand_2_0.txt, hand_2_1.txt, hand_2_10.txt, hand_2_2.txt, hand_2_3.txt, hand_2_4.txt, hand_2_5.txt, hand_2_6.txt, hand_2_7.txt, hand_2_8.txt, hand_2_9.txt, hand_3_2.txt, hand_3_3.txt, hand_3_4.txt, hand_3_5.txt, hand_3_6.txt, hand_4_2.txt, hand_4_3.txt, hand_4_4.txt, hand_4_5.txt, hand_4_6.txt, random_1.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_2.txt, random_3.txt, random_4.txt, random_5.txt, random_6.txt, random_7.txt, random_8.txt, random_9.txt, sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt, small_1.txt, small_2.txt, small_3.txt, small_4.txt, small_5.txt, small_6.txt, small_7.txt, small_8.txt, small_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
hand_1_0.txt | AC | 1 ms | 256 KB |
hand_1_1.txt | AC | 1 ms | 256 KB |
hand_1_2.txt | AC | 1 ms | 256 KB |
hand_1_3.txt | AC | 1 ms | 256 KB |
hand_1_4.txt | AC | 1 ms | 256 KB |
hand_1_5.txt | AC | 1 ms | 256 KB |
hand_1_6.txt | AC | 1 ms | 256 KB |
hand_1_7.txt | AC | 1 ms | 256 KB |
hand_1_8.txt | AC | 1 ms | 256 KB |
hand_2_0.txt | AC | 1 ms | 256 KB |
hand_2_1.txt | AC | 1 ms | 256 KB |
hand_2_10.txt | AC | 1 ms | 256 KB |
hand_2_2.txt | AC | 1 ms | 256 KB |
hand_2_3.txt | AC | 1 ms | 256 KB |
hand_2_4.txt | AC | 1 ms | 256 KB |
hand_2_5.txt | AC | 1 ms | 256 KB |
hand_2_6.txt | AC | 1 ms | 256 KB |
hand_2_7.txt | AC | 1 ms | 256 KB |
hand_2_8.txt | AC | 1 ms | 256 KB |
hand_2_9.txt | AC | 1 ms | 256 KB |
hand_3_2.txt | AC | 1 ms | 256 KB |
hand_3_3.txt | AC | 1 ms | 256 KB |
hand_3_4.txt | AC | 1 ms | 256 KB |
hand_3_5.txt | AC | 1 ms | 256 KB |
hand_3_6.txt | AC | 1 ms | 256 KB |
hand_4_2.txt | AC | 1 ms | 256 KB |
hand_4_3.txt | AC | 1 ms | 256 KB |
hand_4_4.txt | AC | 1 ms | 256 KB |
hand_4_5.txt | AC | 1 ms | 256 KB |
hand_4_6.txt | AC | 1 ms | 256 KB |
random_1.txt | AC | 1 ms | 256 KB |
random_10.txt | AC | 11 ms | 256 KB |
random_11.txt | AC | 7 ms | 256 KB |
random_12.txt | AC | 7 ms | 256 KB |
random_13.txt | AC | 4 ms | 256 KB |
random_14.txt | AC | 2 ms | 256 KB |
random_15.txt | AC | 2 ms | 256 KB |
random_2.txt | AC | 2 ms | 256 KB |
random_3.txt | AC | 1 ms | 256 KB |
random_4.txt | AC | 2 ms | 256 KB |
random_5.txt | AC | 1 ms | 256 KB |
random_6.txt | AC | 3 ms | 256 KB |
random_7.txt | AC | 11 ms | 256 KB |
random_8.txt | AC | 14 ms | 256 KB |
random_9.txt | AC | 13 ms | 256 KB |
sample_1.txt | AC | 1 ms | 256 KB |
sample_2.txt | AC | 1 ms | 256 KB |
sample_3.txt | AC | 1 ms | 256 KB |
sample_4.txt | AC | 1 ms | 256 KB |
small_1.txt | AC | 1 ms | 256 KB |
small_2.txt | AC | 1 ms | 256 KB |
small_3.txt | AC | 1 ms | 256 KB |
small_4.txt | AC | 1 ms | 256 KB |
small_5.txt | AC | 1 ms | 256 KB |
small_6.txt | AC | 1 ms | 256 KB |
small_7.txt | AC | 1 ms | 256 KB |
small_8.txt | AC | 1 ms | 256 KB |
small_9.txt | AC | 1 ms | 256 KB |