11re2 나는 학급회장이다

어떻게 고쳐야 하나요?

아 감사합니다. 고쳤습니다. 

어떤 문제가 있나요?

#include <iostream>
#include <stdio.h>
using namespace std;

int main()
{
    int NOS,forfor1,forfor2,Number1candidatepreferencesum=0,Number2candidatepreferencesum=0,Number3candidatepreferencesum=0,HO=0;
    int a,b,c;
    int Number1candidatepreference[3]={0, },Number2candidatepreference[3]={0, },Number3candidatepreference[3]={0, };
    scanf("%d",&NOS);
    for(forfor1=0;forfor1<NOS;forfor1++)
    {
        scanf("%d %d %d",&a,&b,&c);
        for(forfor2=0;forfor2<3;forfor2++)
        {
            if(forfor2==0)
            {
                Number1candidatepreferencesum=Number1candidatepreferencesum+a;
                Number1candidatepreference[a]++;
            }
            else if(forfor2==1)
            {
                Number2candidatepreferencesum=Number2candidatepreferencesum+b;
                Number2candidatepreference[b]++;
            }
            else if(forfor2==2)
            {
                Number3candidatepreferencesum=Number3candidatepreferencesum+c;
                Number3candidatepreference[c]++;
            }
        }
    }
    if(Number1candidatepreferencesum>Number2candidatepreferencesum)
    {
        if(Number1candidatepreferencesum>Number3candidatepreferencesum)
            printf("1 %d",Number1candidatepreferencesum);
        else if(Number1candidatepreferencesum<Number3candidatepreferencesum)
            printf("3 %d",Number3candidatepreferencesum);
    }
    else if(Number1candidatepreferencesum<Number2candidatepreferencesum)
    {
        if(Number2candidatepreferencesum>Number3candidatepreferencesum)
            printf("2 %d",Number1candidatepreferencesum);
        else if(Number2candidatepreferencesum<Number3candidatepreferencesum)
            printf("3 %d",Number3candidatepreferencesum);
    }
    else
    {
        for(forfor1=2;forfor1>=0;forfor1--)
        {
            if(Number1candidatepreference[forfor1]>Number2candidatepreference[forfor1])
            {
                if(Number1candidatepreference[forfor1]>Number3candidatepreference[forfor1]){
                    printf("1 %d",Number1candidatepreference[forfor1]);
                    HO=1;
                }
                else if(Number1candidatepreference[forfor1]<Number3candidatepreference[forfor1]){
                    printf("3 %d",Number3candidatepreference[forfor1]);
                    HO=1;
                }
            }
            else if(Number1candidatepreference[forfor1]<Number2candidatepreference[forfor1])
            {
                if(Number2candidatepreference[forfor1]>Number3candidatepreference[forfor1]){
                    printf("2 %d",Number1candidatepreference[forfor1]);
                    HO=1;
                }
                else if(Number2candidatepreference[forfor1]<Number3candidatepreference[forfor1]){
                    printf("3 %d",Number3candidatepreference[forfor1]);
                    HO=1;
                }
            }
        }
    }
    if(HO=0)
    {
        if(Number1candidatepreferencesum>Number2candidatepreferencesum)
        {
            if(Number1candidatepreferencesum>Number3candidatepreferencesum)
                printf("0 %d",Number1candidatepreferencesum);
            else if(Number1candidatepreferencesum<Number3candidatepreferencesum)
                printf("0 %d",Number3candidatepreferencesum);
        }
        else if(Number1candidatepreferencesum<Number2candidatepreferencesum)
        {
            if(Number2candidatepreferencesum>Number3candidatepreferencesum)
                printf("0 %d",Number1candidatepreferencesum);
            else if(Number2candidatepreferencesum<Number3candidatepreferencesum)
                printf("0 %d",Number3candidatepreferencesum);
        }
    }
    return 0;
}