제출 #519395

#제출 시각아이디문제언어결과실행 시간메모리
519395hohohahaPassword (RMI18_password)C++14
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define fori(i, a, b) for(int i = (int) (a); i <= (int) (b); i++) #define ford(i, a, b) for(int i = (int) (a); i >= (int) (b); i--) #define fi first #define se second #define all(x) begin(x), end(x) #define ii pair<int, int> #define pb push_back #define pf push_front #define em emplace #define ef emplace_front #define eb emplace_back #define om pop #define of pop_front #define ob pop_back mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); #define rand rng #define endl '\n' #define sp ' ' #define int long long const int maxn = 1e5 + 5, inf = LLONG_MAX / 100ll; int cnt[26]; int query(string s); string handle(int l, int r) { if(l == r) { string re; char c = char(l + 'a'); fori(i, 1, cnt[l]) re.push_back(c); //cout << re << endl; return re; } else { int m = l + r >> 1; string L = handle(l, m); string R = handle(m + 1, r); int q_num = 0, len = L.size() + R.size(); int ptr = 0; for(char C: R) { while(1) { if(ptr == L.size()) { L.insert(ptr, 1, C); ptr++; break; } string tempL = L; tempL.insert(ptr, 1, C); ++q_num; assert(q_num <= len); if(query(tempL) == tempL.size()) { L = tempL; ptr++; break; } else { ptr++; } } } //cout << L << endl; return L; } } string guess(int n, int s) { fori(i, 0, s - 1) { char c = char(i + 'a'); string q; fori(j, 1, n) q.push_back(c); cnt[i] = query(q); } return handle(0, s - 1); }

컴파일 시 표준 에러 (stderr) 메시지

password.cpp: In function 'std::string handle(long long int, long long int)':
password.cpp:35:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |   int m = l + r >> 1;
      |           ~~^~~
password.cpp:42:12: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     if(ptr == L.size()) {
      |        ~~~~^~~~~~~~~~~
password.cpp:49:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     if(query(tempL) == tempL.size()) {
      |        ~~~~~~~~~~~~~^~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc3w9pVM.o: in function `main':
grader.cpp:(.text.startup+0x66): undefined reference to `guess[abi:cxx11](int, int)'
collect2: error: ld returned 1 exit status