Submission #819550

#	Time	Username	Problem	Language	Result	Execution time	Memory
819550		Yey	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
#define ll long long
#define mod 1000000007
using namespace std;

int replacement(int n, int gondolaSeq[], int replacementSeq[]);
int countReplacement(int n, int inputSeq[]);

int valid(int n,int inputSeq[]){
	int mn = INT_MAX;
	int id;
	for(int i = 0 ; i < n ; i++){
		if( mn > inputSeq[i] ){
			mn = inputSeq[i];
			id = i;
		}
	}
	if( mn > n ) return 1;
	vector<int> v;
	mn--;
	id = (id-mn)%n+n;
	id %= n;
	for(int i =  id ; i < n ; i++) v.push_back(inputSeq[i]);
	for(int i = 0 ; i < id ; i++) v.push_back(inputSeq[i]);
	for(int i = 0 ; i < n ; i++){
		if( v[i] <= n && v[i] != i+1 ) return 0;
	}
	return 1;
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  //~ cin>>n;
  //~ for(int i = 0 ; i < n ; i++){
		//~ cin>>inputSeq[i];
	//~ }
	//~ cout<<valid(n)<<"\n";
  //~ ll T = 1;
  //~ //cin>>T;
  //~ for(int i = 0 ; i < T ; i++){
    //~ solve();
  //~ }
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:22:10: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |  id = (id-mn)%n+n;
      |       ~~~^~~~
/usr/bin/ld: /tmp/ccjRAYCl.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccYbotEm.o:gondola.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccjRAYCl.o: in function `main':
grader.cpp:(.text.startup+0x108): undefined reference to `countReplacement'
/usr/bin/ld: grader.cpp:(.text.startup+0x132): undefined reference to `replacement'
collect2: error: ld returned 1 exit status