제출 #250885

#제출 시각아이디문제언어결과실행 시간메모리
250885godwind곤돌라 (IOI14_gondola)C++14
컴파일 에러
0 ms0 KiB
#include <iostream> #include <set> using namespace std; int valid(int n, int a[]) { set<int> diff; for (int i = 0; i < n; ++i) { if (a[i] < 1) return 0; diff.insert(a[i]); } if (diff.size() != n) return 0; int pos = -1; for (int i = 0; i < n; ++i) { if (a[i] <= n) { pos = i; break; } } if (pos == -1) return 1; pos = (pos - a[pos] + 1 + n) % n; for (int i = 0; i < n; ++i) { int need = i + 1; int p = (pos + i) % n; if (a[p] <= n && a[p] != need) return 0; } return 1; } //---------------------- int replacement(int n, int gondolaSeq[], int replacementSeq[]) { return -2; } //---------------------- int countReplacement(int n, int inputSeq[]) { return -3; }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:14:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (diff.size() != n) return 0;
      ~~~~~~~~~~~~^~~~
/tmp/ccxBGJYx.o: In function `main':
grader.cpp:(.text.startup+0xc3): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0xe2): undefined reference to `valid'
grader.cpp:(.text.startup+0x106): undefined reference to `replacement'
collect2: error: ld returned 1 exit status