Submission #734892

#	Time	Username	Problem	Language	Result	Execution time	Memory
734892		sandry24	Gondola (IOI14_gondola)	C++17	Compilation error	0 ms	0 KiB

gondola

#include <bits/stdc++.h>
using namespace std;

//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second


#include "gondola.h"

int freq[250001];

int valid(int n, int inputSeq[]){
    int index_under_n = -1;
    for(int i = 0; i < n; i++){
        freq[inputSeq[i]]++;
        if(freq[inputSeq[i]] > 1)
            return 0;
        if(inputSeq[i] <= n)
            index_under_n = i;
    }
    if(index_under_n == -1)
        return 1;
    int index = (index_under_n == n-1 ? 0 : index_under_n + 1);
    int next = (inputSeq[index_under_n] == n ? 1 : inputSeq[index_under_n] + 1);
    while(index != index_under_n){
        if(inputSeq[index] < n){
            if(inputSeq[index] != next){
                return 0;
            }
        }
        index = (index == n-1 ? 0 : index + 1);
        next = (next == n ? 1 : next + 1);
    }
    return 1;
}

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

void solve(){
    int n;
    cin >> n;
    int a[n]; 
    for(int i = 0; i < n; i++)
        cin >> a[i];
    cout << valid(n, a) << '\n';
}

int main(){
    //freopen("input.txt", "r", stdin);
    //freopen("test.out", "w", stdout);
    //ios::sync_with_stdio(0); cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccGnKiLr.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLQmOqs.o:gondola.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccGnKiLr.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