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<a href="/notice/15">씹어먹는 C 언어 강좌</a>
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<p>
총 42 개의 강의로 준비된
<span class="text-bold">씹어먹는 C 언어 강좌</span>를 통해 C
언어의 처음부터 끝까지 배우실 수 있습니다! 특히 악명 높은 C
언어의 포인터나, 어려운 개념들을 충실히 짚고 넘어갑니다.
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이 강좌는 2010년에 완결되었지만, 지속적으로 개선 및 보완하고
있습니다.
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<a href="/135">씹어먹는 C++ 강좌</a>
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C 언어 문법을 아시는 분들이라면,
<span class="text-bold">씹어먹는 C++ 강좌</span>를 통해 C++
기초 부터 최근의 C++ 17 까지 모든 내용을 배우실 수 있습니다. C
언어와 C++ 의 기본적인 문법이 비슷하기 때문에, C 언어를 어느
정도 아는 독자를 가정하여 쓰여져 있습니다.
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이 강좌는 2020년에 완결되었고 총 50 개의 강좌가 준비되어
있습니다.
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<div class="ref-header">C 언어 레퍼런스</div>
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표준 입출력 라이브러리 <a href="/34">stdio.h</a>
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<li><a href="/35">printf</a></li>
<li><a href="/36">scanf</a></li>
<li><a href="/66">sprintf</a></li>
<li><a href="/58">fopen</a></li>
</ul>
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문자열 관련 라이브러리 <a href="/76">string.h</a>
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<div class="ref-col-content">
<ul>
<li><a href="/106">strlen</a></li>
<li><a href="/36">strncmp</a></li>
<li><a href="/101">strstr</a></li>
<li><a href="/77">memcpy</a></li>
</ul>
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<div class="ref-col-header">
시간 관련 라이브러리 <a href="/108">time.h</a>
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<ul>
<li><a href="/114">time</a></li>
<li><a href="/110">clock</a></li>
<li><a href="/111">difftime</a></li>
<li><a href="/122">strftime</a></li>
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<div class="ref-header">C ++ 레퍼런스</div>
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표준 입출력 라이브러리 <a href="/143">iostream</a>
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<li><a href="/151">ifstream</a></li>
<li><a href="/157">ios_base::precision</a></li>
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알고리즘 라이브러리 <a href="/256">algorithm</a>
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<li><a href="/261">find</a></li>
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<a
class="comment-link"
href="/29"
>
#include <stdio.h>
int equals(char* str1, char* str2, int size1, int size2);
int length(int binary_size, int type_size);
int main() {
const char* str = "123456789";
const char str_2[] = { "123456789" };
printf("%d %d\n", sizeof(str), sizeof(str_2));
// #solve3
char str_a[] = "abc";
char str_b[] = "abc";
int size1 = length(sizeof(str_a), sizeof(char));
int size2 = length(sizeof(str_b), sizeof(char));
if (equals(str_a, str_b, size1, size2)) {
printf("true");
}
else {
printf("false");
}
return 0;
}
int equals(char* str1, char* str2, int size1, int size2) {
if (size1 != size2) {
return 0;
}
for (int i = 0; i < size1; i++) {
if (str1[i] != str2[i]) {
return 0;
}
}
return 1;
}
int length(int binary_size, int type_size) {
return binary_size / type_size;
}
</a>
</div>
<div class="comment-author">
sicksick
<span class="comment-date">
06.19
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/26"
>
void slave(int *tatal, int income) {
*tatal += income;
}
int sum(int start, int end) {
int sum = 0;
for (int i = start; i <= end; i++) {
sum += i;
}
return sum;
}
void set_prime_number(int* primes) {
int guess = 5;
primes[0] = 2;
primes[1] = 3;
int size = 2;
int length = sizeof(primes) / 4;
while (size <= length) {
int flag = 0;
int idx = 0;
while (idx < size) {
if (guess % primes[idx] == 0) {
flag = 1;
break;
}
idx++;
}
if (flag == 0) {
primes[size++] = guess;
}
guess++;
}
}
int count_prime_number(int n) {
if (n < 0) {
return 0;
}
if (n < 3) {
return n - 1;
}
int guess = 5;
int primes[10000] = { 0 };
primes[0] = 2;
primes[1] = 3;
int size = 2;
while (guess <= n) {
int flag = 0;
int idx = 0;
while (idx < size) {
if (guess % primes[idx] == 0) {
flag = 1;
break;
}
idx++;
}
if (flag == 0) {
primes[size++] = guess;
}
guess++;
}
return size;
}
void factorize(int n) {
int primes[1000];
int arr[1000];
int arr_idx = 0;
set_prime_number(&primes);
int idx = 0;
while (n != 1) {
while (n % primes[idx] == 0) {
n /= primes[idx];
arr[arr_idx++] = primes[idx];
}
idx++;
}
printf("출력결과 : ");
for (int i = 0; i < arr_idx; i++) {
if (i == arr_idx - 1) {
printf("%d\n", arr[i]);
return;
}
printf("%d × ", arr[i]);
}
}
</a>
</div>
<div class="comment-author">
sicksick
<span class="comment-date">
06.18
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/25"
>
항상 좋은 자료 감사합니다!
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.16
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/23"
>
좋은 자료 항상 감사합니다.
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.16
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/20"
>
좋은 강의 감사합니다.
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.16
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/17"
>
int i = abs((int)((f - (int)f) / 0.01));
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.13
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/16"
>
20250613 학습 완료
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.13
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/14"
>
20250613 학습 완료
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.13
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/8"
>
250611
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.11
</span>
</div>
</div>
<div class="comment-box">
<div class="comment-content">
<a
class="comment-link"
href="/7"
>
250611
</a>
</div>
<div class="comment-author">
우성정
<span class="comment-date">
06.11
</span>
</div>
</div>
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