Submission #154062

#TimeUsernameProblemLanguageResultExecution timeMemory
154062nthoangCombo (IOI18_combo)C++11
0 / 100
1 ms256 KiB
#include <bits/stdc++.h> #ifndef LOCAL #include "combo.h" #endif #ifdef LOCAL #include "/Users/nth842002/Library/debug.h" int press(string p) { } int main() { } #endif using namespace std; const string moves = "ABXY"; string guess_sequence(int n) { srand(time(0)); string s; s.resize(n); for (int i = 0; i < 4; i++) { string t; t += moves[i]; if (press(t) == 1) { s[0] = moves[i]; break; } } string avail; for (int i = 0; i < 4; i++) { if (moves[i] != s[0]) { avail += moves[i]; } } string cur; cur += s[0]; for (int i = 1; i < n; i++) { random_shuffle(avail.begin(), avail.end()); for (int j = 0; j < 2; j++) { cur += avail[j]; if (press(cur) == i + 1) { break; } cur.pop_back(); } if (cur.length() == i) { cur += avail[2]; } } assert(s.length() == n); return s; }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:46:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |     if (cur.length() == i) {
      |         ~~~~~~~~~~~~~^~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from combo.cpp:1:
combo.cpp:50:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |   assert(s.length() == n);
      |          ~~~~~~~~~~~^~~~
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