Why the "runtime error" is returned to me, but no problem when i run the code at G++4.4.5


  • 0
    int firstMissingPositive(int A[], int n) {
        for (int i=0;i<n;i++)
            (A[i]<=0)?(A[i]=n+1):(true);
        for (int i=0;i<n;i++){
            if(A[i]>n)
                continue;
            A[i]>0?(A[A[i]-1]>0?(A[A[i]-1] *= (-1)):(true)):(A[(-1*A[i])-1]>0?(A[(-1*A[i])-1] *= (-1)):(true));
        }
        for (int i=0;i<n;i++)
            if(A[i]>0)
                return i+1;
        return n+1;
    }
    

    Last executed input: [1,4,2,0,3,4,2,4,2]


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