이것이 c언어다.-서현우 10장 도전실전예제 로또

#include <stdio.h>

#include <time.h>

#include <stdlib.h>

void getLotto(int *arPLotto);

int compareLotto(int *arPMyLotto, int *arPRealLotto, int *arPSameLotto);

int main(void)

{

    int naMyLotto[6];

    int naRealLotto[6];

    int naSameLotto[6];

    int i;

    int nCount;

    printf("enter the lotto number 6 : ");

    for(i=0;i<6;i++)

    {

        scanf("%d",&naMyLotto[i]);

    }

    getLotto(naRealLotto);

    nCount = compareLotto(naMyLotto, naRealLotto,naSameLotto);

    printf("Real Lotto : ");

    for(i=0;i<6;i++)

    {

        printf("%d   ",naRealLotto[i]);

    }

    printf("\n");

    printf("same lotto of %d\n",nCount);

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

    {

        printf("%d   ",naSameLotto[i]);

    }

    printf("\n");

    return 0;

}

void getLotto(int *arPLotto)

{

    int i,k;

    srand(time(NULL));

    for(i=0;i<6;i++)

    {

        arPLotto[i] = rand()%45+1;

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

        {

            if(arPLotto[i] == arPLotto[k]) i--;

        }

    }

}

int compareLotto(int *arPMyLotto, int *arPRealLotto, int *arPSameLotto)

{

    int i, k;

    int cnt = 0;

    for(i=0;i<6;i++)

    {

        for(k=0;k<6;k++)

        {

            if(arPMyLotto[i] == arPRealLotto[k])

            {

                arPSameLotto[cnt] = arPMyLotto[i];

                cnt++;

            }

        }

    }

    if(cnt == 6)return 0;

    else return 1;

}

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