분홍이네 노-답 IT 2nd분홍이네 노-답 IT 2nd

#include <stdio.h>

#define N 5

double computer_ave(int ary[N]);

int main()

{

int i;

int pass = 0, sum = 0;

int score[N] = {93, 82, 49, 55, 75};

printf("전체 평균: %.1lf \n", computer_ave(score));

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

{

if (score[i] >= 60)

{

sum += score[i];

pass++;

}

}

printf("합격자 평균 : %.1lf \n", (double)sum/pass);

return 0;

}

double computer_ave(int ary[N])

{

int i, sum = 0;

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

sum += ary[i];

return (double)sum / N;

}

#include <stdio.h>

#include <stdlib.h>

#define SUCCESS 1

#define FAIL 2

#define LIMIT 3

int check(int id, int password);

int main(void)

{

int id, password, result;

while(1)

{

printf("id:____\b\b\b\b");

scanf("%d", &id);

printf("pass:____\b\b\b\b");

scanf("%d", &password);

result = check(id, password);

if(result==SUCCESS) break;

}

printf("로그인 성공\n");

return 0;

}

int check(int id, int password)

{

static int super_id = 1234;

static int super_password = 5678;

static int try_count = 0;

try_count++;

if(try_count >=LIMIT)

{

printf("횟수 초과\n");

exit(1);

}

if(id == super_id && super_password == password)

return SUCCESS;

else

return FAIL;

}