Submission #1132892

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1132892	2025-01-06 14:15:42	rotated	List of Unique Integers (FXCUP4_unique)	C++20	Compilation error	0 ms	0 KiB

unique

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#include "unique.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
int* PickUnique(int N) {
    int lcount[N];
    int rcount[N];
    int ans[N];
    fill(ans,ans+N,1);
    for (int i = 0; i < N; i++) {
        lcount[i] = UniqueCount(0, i);
        rcount[i] = UniqueCount(i, N - 1);
    }
    for (int i = 1; i < N; i++) {
        if (UniqueCount(0,i) > UniqueCount(0,i-1)) ans[i] = 0;
    }
    for (int i = 0; i < N-1; i++) {
        if (UniqueCount(0,i) > UniqueCount(0,i+1)) ans[i] = 0;
    }
    return ans;
}
 
 
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Compilation message (stderr)

unique.cpp: In function 'long long int* PickUnique(long long int)':
unique.cpp:20:12: warning: address of local variable 'ans' returned [-Wreturn-local-addr]
   20 |     return ans;
      |            ^~~
unique.cpp:8:9: note: declared here
    8 |     int ans[N];
      |         ^~~
/usr/bin/ld: /tmp/ccNBjEMe.o: in function `main':
grader.cpp:(.text.startup+0x1b4): undefined reference to `PickUnique(int)'
collect2: error: ld returned 1 exit status