Submission #286930

#TimeUsernameProblemLanguageResultExecution timeMemory
286930crossing0verPassword (RMI18_password)C++17
0 / 100
88 ms492 KiB
#include<bits/stdc++.h> #define ll long long #define pb push_back #define pii pair<int,int> #define vi vector<int> #define fi first #define se second #define all(x) (x).begin(),(x).end() using namespace std; int m; string suf,pref; int query(string str); string guess(int n, int s) { string pref,P; for (int i = 1; i <= n; i++) { int len = suf.size(); char LAST = ((int)pref.size() ? pref.back() : 'a'); int cur = len; for (int z = 1; z + len <= n; z++) { bool flag = 0; for (char c = 'a'; c < 'a' + s; c++) { P = pref + c; P += suf; int F = query(P); if (F > cur) { LAST = c; pref += c; cur = F; flag = 1; break; } } if (flag == 0) break; } reverse(all(suf)); suf+=LAST; reverse(all(suf)); if (pref.size()) pref.pop_back(); if (pref.size() + suf.size() == n) { pref += suf; return pref; } } return suf; } /* main() { ios::sync_with_stdio(0); cin.tie(0); }*/

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:41:32: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |   if (pref.size() + suf.size() == n) {
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
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