제출 #429676

#제출 시각아이디문제언어결과실행 시간메모리
429676schseHandcrafted Gift (IOI20_gift)C++17
25 / 100
163 ms19596 KiB
#include "gift.h" #include <bits/stdc++.h> using namespace std; #ifndef EVAL #include "grader.cpp" #endif int construct(int n, int r, std::vector<int> a, std::vector<int> b, std::vector<int> x) { int sb = 0; for (int i : x) sb |= i; if (sb == 1) { std::string s(n, 'R'); craft(s); return 1; } else if (sb == 2) { for (int i = 0; i < a.size(); i++) if (a[i] == b[i]) return 0; std::string s(n, 'R'); for (int i = 0; i < n; i++) s[i] = i % 2 ? 'R' : 'B'; craft(s); return 1; } else assert(false); }

컴파일 시 표준 에러 (stderr) 메시지

gift.cpp: In function 'int construct(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
gift.cpp:23:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for (int i = 0; i < a.size(); i++)
      |                         ~~^~~~~~~~~~
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