11re2 나는 학급회장이다 - 문제 Q&A

wjdgPdusred

2017.06.23 23:00

#include <cstdio>

#include <algorithm>

#include <stdio.h>

using namespace std;

struct student

{

int idx;

int total;

int type[4];

};

bool compare(struct student st1,struct student st2)

{

if(st1.total > st2.total) return true;

else if(st1.total < st2.total) return false;

else

{

if(st1.type[3] > st2.total[3]) return true;

else if(st1.type[3] < st2.type[3]) return false;

else

{

if(st1.type[2] > st2.total[2]) return true;

else if(st1.type[2] < st2.type[2]) return false;

else return false;

}

int main()

{

struct student stud[3]= {{1,0},{2,0},{3,0}};

int i,n;

int s1,s2,s3;

scanf("%d",&n);

for(i=0; i<n; i++)

{

scanf("%d %d %d",&s1,&s2,&s3);

stud[0].total+=s1;

stud[0].type[s1]++;

stud[1].total+=s2;

stud[1].type[s2]++;

stud[2].total+=s3;

stud[2].type[s3]++;

}

sort(stud,stud+3,compare);

if(stud[0].total==stud[1].total&&stud[0].type[3]==stud[1].type[3]&&stud[0].type[2]==stud[1].type[2])

{

printf("%d %d",0,stud[0].total);

}

else

{

printf("%d %d",stud[0].idx,stud[0].total);

}

return 0;

}

관리자

2017.06.25 21:10

total 은 배열이 아닙니다. type은 배열이구요...

compare 함수 안에 원인이 있습니다. 잘 찾아 보세요~

Snoop Dogggg(Eminem&Dr.Dre!!!)

2018.06.15 15:33

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;
}

글로벌코딩

2019.03.19 22:32

변수 이름의 길이를 줄이면 고치기 쉽겠네요.

댓글 6

wjdgPdusred

wjdgPdusred

관리자

wjdgPdusred

Snoop Dogggg(Eminem&Dr.Dre!!!)

글로벌코딩