제출 #1029611

#제출 시각아이디문제언어결과실행 시간메모리
1029611parsadox2콤보 (IOI18_combo)C++17
0 / 100
0 ms344 KiB
#include "combo.h" #include <bits/stdc++.h> using namespace std; char c[4]; string res; void Add() { string s = ""; for(int i = 0 ; i < 3 ; i++) { s += res; s.push_back(c[0]); s.push_back(c[i]); } s += res; s.push_back(c[1]); s.push_back(c[1]); int tmp = press(s); if(tmp == res.size() + 2) res.push_back(c[0]); else if(tmp == res.size() + 1) res.push_back(c[1]); else res.push_back(c[2]); } string guess_sequence(int n) { int a1 = press("AB") , a2 = press("AX"); if(a1 > 0 && a2 > 0) { c[0] = 'B'; c[1] = 'X'; c[2] = 'Y'; res.push_back('A'); } else if(a1 > 0) { c[0] = 'A'; c[1] = 'X'; c[2] = 'Y'; res.push_back('B'); } else if(a2 > 0) { c[0] = 'A'; c[1] = 'B'; c[2] = 'Y'; res.push_back('X'); } else { c[0] = 'A'; c[1] = 'B'; c[2] = 'X'; res.push_back('Y'); } for(int i = 1 ; i + 2 <= n ; i++) Add(); string s1 = res + c[0] , s2 = res + c[1]; a1 = press(s1); a2 = press(s2); if(a1 == n) return s1; else if(a2 == n) return s2; res.push_back(c[2]); return res; }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'void Add()':
combo.cpp:22:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |  if(tmp == res.size() + 2)
      |     ~~~~^~~~~~~~~~~~~~~~~
combo.cpp:24:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  else if(tmp == res.size() + 1)
      |          ~~~~^~~~~~~~~~~~~~~~~
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