From d42448a9d0fc7556a89aef7cc8298de13b6fcc4b Mon Sep 17 00:00:00 2001
From: imnyang <me@imnya.ng>
Date: Wed, 8 Apr 2026 16:02:20 +0900
Subject: [PATCH] wow

---
 .gitignore       |  1 +
 .zed/tasks.json  | 12 ++++++++++++
 03/a.c           | 13 +++++++++++++
 03/ex01.c        | 14 ++++++++++++++
 03/ex02.c        | 12 ++++++++++++
 03/ex03.c        | 16 ++++++++++++++++
 03/playground.c  | 33 +++++++++++++++++++++++++++++++++
 03/sub01.c       | 16 ++++++++++++++++
 03/sub02.c       | 14 ++++++++++++++
 layer7/amazing.c | 15 +++++++++++++++
 layer7/cool.c    | 14 ++++++++++++++
 layer7/main.c    | 14 ++++++++++++++
 layer7/wow.c     | 13 +++++++++++++
 13 files changed, 187 insertions(+)
 create mode 100644 03/a.c
 create mode 100644 03/ex01.c
 create mode 100644 03/ex02.c
 create mode 100644 03/ex03.c
 create mode 100644 03/playground.c
 create mode 100644 03/sub01.c
 create mode 100644 03/sub02.c
 create mode 100644 layer7/amazing.c
 create mode 100644 layer7/cool.c
 create mode 100644 layer7/main.c
 create mode 100644 layer7/wow.c

diff --git a/.gitignore b/.gitignore
index 53752db..b827212 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 output
+*.run
diff --git a/.zed/tasks.json b/.zed/tasks.json
index d0520b1..a7142b8 100644
--- a/.zed/tasks.json
+++ b/.zed/tasks.json
@@ -11,4 +11,16 @@
     "show_summary": true,
     "show_command": true,
   },
+  {
+    "label": "Build & Run Current File (Linux - Fish)",
+    "command": "mkdir -p ./output; set rand (tr -dc 'a-z' < /dev/urandom | head -c 6); set outputFile \"./output/${ZED_STEM}_$rand\"; gcc -Wall -Wextra -g -std=c11 -O2 \"$ZED_FILE\" -o \"$outputFile\"; and \"$outputFile\"",
+    "use_new_terminal": false,
+    "allow_concurrent_runs": false,
+    "reveal": "always",
+    "reveal_target": "dock",
+    "hide": "never",
+    "shell": "system",
+    "show_summary": true,
+    "show_command": true,
+  },
 ]
diff --git a/03/a.c b/03/a.c
new file mode 100644
index 0000000..b1878ab
--- /dev/null
+++ b/03/a.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+    int a = 10;
+    int b = 6;
+    int c = 3;
+    printf("%d\n", ~a);
+    printf("%d\n", a & b);
+    printf("%d\n", a ^ b);
+    printf("%d\n", a | b);
+    printf("%d\n", a | b & c);
+    return 0;
+}
diff --git a/03/ex01.c b/03/ex01.c
new file mode 100644
index 0000000..80638bb
--- /dev/null
+++ b/03/ex01.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main() {
+    int a,b;
+    printf("정수 입력 : ");
+    scanf("%d %d", &a, &b);
+
+    printf("[결과 출력]\n");
+    printf("%d + %d = %d\n", a, b, a+b);
+    printf("%d - %d = %d\n", a, b, a-b);
+    printf("%d * %d = %d\n", a, b, a*b);
+    printf("%d / %d = %d\n", a, b, a/b);
+    printf("%d %% %d = %d\n", a, b, a%b);
+}
diff --git a/03/ex02.c b/03/ex02.c
new file mode 100644
index 0000000..f201bed
--- /dev/null
+++ b/03/ex02.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main() {
+    int n;
+    printf("정수 n입력(0≤n<1000) : ");
+    scanf("%d", &n);
+    printf("%d의\n", n);
+    printf("100의 자리수 : %d\n", n / 100);
+    printf("10의 자리수 : %d\n", (n / 10) % 10);
+    printf("1의 자리수 : %d\n", n % 10);
+    return 0;
+}
diff --git a/03/ex03.c b/03/ex03.c
new file mode 100644
index 0000000..c43cd02
--- /dev/null
+++ b/03/ex03.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+int main() {
+    int num[5];
+    int max;
+
+    printf("정수 5개 입력 : ");
+    for (int i = 0; i < 5; i++) {
+        scanf("%d", &num[i]);
+        if (num[i] > max) {
+            max = num[i];
+        }
+    }
+
+    printf("입력한 정수 중 가장 큰 수는\n%d 입니다.\n", max);
+    return 0;
+}
diff --git a/03/playground.c b/03/playground.c
new file mode 100644
index 0000000..1c457ac
--- /dev/null
+++ b/03/playground.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+// int main()
+// {
+//     int mizuki, ena, kanade;
+//     scanf("%d %d %d", &mizuki, &ena, &kanade);
+//     int max;
+//     if (mizuki > ena) {
+//         if (mizuki > kanade) {
+//             max = mizuki;
+//         } else {
+//             max = kanade;
+//         }
+//     } else {
+//         if (ena > kanade) {
+//             max = ena;
+//         } else {
+//             max = kanade;
+//         }
+//     }
+//     printf("%d", max);
+//     return 0;
+// }
+
+
+int main()
+{
+    int mizuki, ena, kanade;
+    scanf("%d %d %d", &mizuki, &ena, &kanade);
+    int mizuena = (mizuki > ena) ? mizuki : ena;
+    printf("%d", (mizuena > kanade) ? mizuena : kanade);
+    return 0;
+}
diff --git a/03/sub01.c b/03/sub01.c
new file mode 100644
index 0000000..ca74926
--- /dev/null
+++ b/03/sub01.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main() {
+    int people, price;
+    printf("사람 수(명) 입력: ");
+    scanf("%d", &people);
+
+    printf("총 사용 금액(원) 입력: ");
+    scanf("%d", &price);
+
+    printf("==== 결과 ====\n");
+    printf("각자 낼 금액: %d원\n", price/people);
+    printf("메신저 페이가 지불한 금액: %d원\n", price%people);
+    printf("==============");
+    return 0;
+}
diff --git a/03/sub02.c b/03/sub02.c
new file mode 100644
index 0000000..35851f5
--- /dev/null
+++ b/03/sub02.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main() {
+    int price;
+    printf("제품의 가격을 입력하세요: ");
+    scanf("%d", &price);
+
+    printf("==== 영수증 ====\n");
+    printf("제품 가격: %d원\n", price);
+    printf("부가세: %d원\n", price * 10 / 100);
+    printf("최종 가격: %d원\n", price * 110 / 100);
+    printf("==============");
+    return 0;
+}
diff --git a/layer7/amazing.c b/layer7/amazing.c
new file mode 100644
index 0000000..e7a488d
--- /dev/null
+++ b/layer7/amazing.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main() {
+    unsigned int i = 0;
+    int count = 0;
+    int sum = 0;
+
+    while (sum < 100) {
+        scanf("%d", &i);
+        sum += i;
+        count++;
+    }
+    printf("%d | %d", sum, count);
+    return 0;
+}
diff --git a/layer7/cool.c b/layer7/cool.c
new file mode 100644
index 0000000..01ca8b3
--- /dev/null
+++ b/layer7/cool.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <string.h>
+int main() {
+    char a[100], b[100];
+    scanf("%s", &a);
+
+    scanf("%s", &b);
+    if(strcmp(a,b) == 0) {
+        printf("같습니다");
+    }
+    else {
+        printf("%s", strcat(a,b));
+    }
+}
diff --git a/layer7/main.c b/layer7/main.c
new file mode 100644
index 0000000..e77e0cb
--- /dev/null
+++ b/layer7/main.c
@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main() {
+    int age;
+    scanf("%d", &age);
+    if (age < 18) {
+        printf("미성년자");
+    } else if (age < 65) {
+        printf("성인");
+    } else {
+        printf("노인");
+    }
+    return 0;
+}
diff --git a/layer7/wow.c b/layer7/wow.c
new file mode 100644
index 0000000..e8f4dc0
--- /dev/null
+++ b/layer7/wow.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+int main() {
+    int n, count = 0;
+    scanf("%d", &n);
+    for (int i=1; i < n+1; i++) {
+        if (i%3 == 0) {
+            count++;
+            printf("%d ", i);
+        }
+    }
+    printf("\n3의 배수 갯수 : %d\n", count);
+    return 0;
+}