Submission #1217018

#	Time	Username	Problem	Language	Result	Execution time	Memory
1217018		lukasuliashvili	Cave (IOI13_cave)	C++20	Compilation error	0 ms	0 KiB

cave

#include <bits/stdc++.h>
using namespace std;
#define int long long 
#define pb push_back
#define fs first 
#define sc second 
#define rep(i,a,b) for(int i=a; i<=b; i++)
const int N=2000005;
int tryCombination(int x[]){
    int k;
    cin>>k;
    return k;
}
signed main(){
	int N;
	cin>>N;
    int s[N],fix[N],ans[N];
    for (int i=0; i<N; i++) {
        s[i]=0;
        fix[i]=0;
        ans[i]=0;
    }
    for (int i=0; i<N; i++) {
        int l=0;
        int r=N-1;
        int last=tryCombination(s);
        if (last>=i) {
            fix[i]=1;
        }
        else {
            fix[i]=0;
        }
        while (l<=r) {
            
            
            int mid = (l+r)/2;
            for (int j=0; j<l; j++) {
                s[j]=fix[i]^1;
            }
            for (int j=l; j<=mid; j++) {
                s[j]=fix[i];
            }
            for (int j=mid+1; j<N; j++) {
                s[j]=fix[i]^1;
            }
            int last=tryCombination(s);
            if (last<=i){
                fix[i]^=1;
                l=mid+1;
            }
            else {
                if (l==r) {
                    ans[i]=l;
                }
                r=mid-1;
            }
        }
    }
    
    cout<<endl;
    cout<<endl;
    for(int i=0; i<N;i++){
        cout<<ans[i]<<" ";
    }
    //answer(fix,ans);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc44JDjC.o: in function `main':
grader.c:(.text.startup+0x0): multiple definition of `main'; /tmp/cckzlOGM.o:cave.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc44JDjC.o: in function `main':
grader.c:(.text.startup+0x10): undefined reference to `exploreCave'
collect2: error: ld returned 1 exit status