Submission #1276132

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276132		karlsoos	Gondola (IOI14_gondola)	C++20	Compilation error	0 ms	0 KiB

gondola

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

int valid(int n, int inputSeq[]){
    bool seen[250001];
    int anc = 0;
    for(int i = 0; i<n; i++){
        if(inputSeq[i] <= n){
            anc = i;
            break;
        }
    }  
    int canc = inputSeq[anc];
    for(int i = 0; i<n; i++){
        if(inputSeq[i] > n){
            if(seen[inputSeq[i]]){
                return 0;
            }
            seen[inputSeq[i]] = 1;
        }
        else{
            if(inputSeq[i] != canc){
                return 0;
            }
            canc++;
            if(canc > n){
                canc -= n;
            }
        }
    } 
    return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    return 0;
}

int countReplacement(int n, int inputSeq[]){
    return 0;
}

int main() {
    int t;
    cin>>t;
    if(t < 4){
        int n;
        cin>>n;
        int v[n];
        for(int i = 0; i<n; i++){
            cin>>v[i];
        }
        bool e = valid(n,v);
        cout<<e<<"\n";
    }

    else{
        cout<< 0;
    }
}   

Compilation message (stderr)

/usr/bin/ld: /tmp/ccBcIXFw.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccKigYEa.o:gondola.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status