Submission #3961939

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Source Code Expand

#include<stdio.h>

int main(void){
    int i,n;
    int emax1,emax2,omax1,omax2;
    int ep1,ep2,op1,op2;
    int num[100100],evennum[114514],oddnum[114514];
    scanf("%d",&n);
    emax1=emax2=omax1=omax2=0;
    for(i=0;i<114514;i++)
    {
        evennum[i]=oddnum[i]=0;    
    }
    for(i=0;i<n;i++)
    {
        scanf("%d",&num[i]);
        if(i%2)
        {
            evennum[num[i]]++;
            if(evennum[num[i]]>emax1)
            {
                emax1=evennum[num[i]];
                ep1=num[i];
            }
            else if(evennum[num[i]]>emax2)
            {
                emax2=evennum[num[i]];
                ep2=num[i];
            }
        }
        else
        {
            oddnum[num[i]]++;
            if(oddnum[num[i]]>omax1)
            {
                omax1=oddnum[num[i]];
                op1=num[i];
            }
            else if(oddnum[num[i]]>omax2)
            {
                omax2=oddnum[num[i]];
                op2=num[i];
            }
        }
    }
    if(ep1!=op1)
    {
        printf("%d\n",n-emax1-omax1);
    }
    else if(emax1+omax2>emax2+omax1)
    {
        printf("%d\n",n-emax1-omax2);
    }
    else
    {
        printf("%d\n",n-emax2-omax1);    
    }
    return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:8:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ^
./Main.c:16:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&num[i]);
         ^

Judge Result