Submission #397985

#	Time	Username	Problem	Language	Result	Execution time	Memory
397985		prvocislo	Gondola (IOI14_gondola)	C++17	Compilation error	0 ms	0 KiB

gondola

#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
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; }

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:20:15: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |  if (s.size() != n) return 0;
      |      ~~~~~~~~~^~~~
/tmp/cciP57C1.o: In function `main':
grader.cpp:(.text.startup+0xb6): undefined reference to `valid'
grader.cpp:(.text.startup+0x108): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0x132): undefined reference to `replacement'
collect2: error: ld returned 1 exit status