제출 #397989

#제출 시각아이디문제언어결과실행 시간메모리
397989prvocislo곤돌라 (IOI14_gondola)C++17
20 / 100
45 ms5008 KiB
#include <iostream> #include <vector> #include <algorithm> #include <set> #include "gondola.h" typedef long long ll; using namespace std; int valid(int n, int v[]) { vector<int> o(n, -1); for (int i = 0; i < n; i++) v[i]--; set<int> s(v, v + n); for (int i = 0; i < n; i++) { if (v[i] >= n) continue; o[i] = v[i]; for (int j = 0; j < n; j++) o[j] = (v[i] - i + j + n) % n; break; } if (s.size() != n) return 0; for (int i = 0; i < n; i++) if (v[i] < n && o[i] != v[i]) return 0; return 1; } int replacement(int n, int gondolaSeq[], int replacementSeq[]) { return 0; } int countReplacement(int n, int inputSeq[]) { return 0; }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:21:15: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |  if (s.size() != n) return 0;
      |      ~~~~~~~~~^~~~
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