Negative days completion.

programs/abs/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 2",
+  "description": "整数値を読み込み、その絶対値を出力するプログラム。",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/abs.png"
+  },
+  "note": ""
+}

programs/abs/main.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+int main(void) {
+    int x, y;
+
+    printf("Input integer: ");
+    scanf("%d", &x);
+
+    y = x;
+
+    if (y < 0)
+        y = -y;
+    
+    printf("Absolute value of %d is %d.\n", x, y);
+
+    return 0;
+}

programs/lst33/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 1 List 3-3",
+  "description": "5の倍数判定プログラム",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/lst33.png"
+  },
+  "note": ""
+}

programs/lst33/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input integer: ");
+    scanf("%d", &n);
+
+    if (n % 5)
+        puts("The number is not divisible by 5.");
+    else
+        puts("The number is divisible by 5.");
+
+    return 0;
+}

programs/lst34/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 1 List 3-4",
+  "description": "偶数奇数判定プログラム",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/lst34.png"
+  },
+  "note": ""
+}

programs/lst34/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input integer: ");
+    scanf("%d", &n);
+
+    if (n % 2)
+        puts("The integer is odd.");
+    else
+        puts("The integer is even.");
+    
+    return 0;
+}

programs/lst35/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 1 List 3-5",
+  "description": "非ヌル判定プログラム",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/lst35.png"
+  },
+  "note": ""
+}

programs/lst35/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input integer: ");
+    scanf("%d", &n);
+
+    if (n)
+        puts("The integer is not null(zero).");
+    else
+        puts("The integer is null(zero).");
+
+    return 0;
+}

programs/lst36/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 1 List 3-6",
+  "description": "2つの整数値の等価検証プログラム",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/lst36.png"
+  },
+  "note": ""
+}

programs/lst36/main.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main(void) {
+    int n1, n2;
+
+    printf("Integer 1: ");
+    scanf("%d", &n1);
+
+    printf("Integer 2: ");
+    scanf("%d", &n2);
+
+    if (n1 == n2)
+        puts("Both values are equivalent to each other.");
+    else
+        puts("Both values are not equivalent to each other.");
+
+    return 0;
+}

programs/lst37/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 1 List 3-7",
+  "description": "2つの整数値の等価検証プログラム\\n\\n\\\\ref{lst36}の条件の否定に変更したプログラム",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/lst37.png"
+  },
+  "note": ""
+}

programs/lst37/main.c

@@ -0,0 +1,18 @@
+#include <stdio.h>
+
+int main(void) {
+    int n1, n2;
+
+    printf("Integer 1: ");
+    scanf("%d", &n1);
+
+    printf("Integer 2: ");
+    scanf("%d", &n2);
+
+    if (n1 != n2)
+        puts("Both values are not equivalent to each other.");
+    else
+        puts("Both values are equivalent to each other.");
+
+    return 0;
+}

programs/lst38/info.json

@@ -0,0 +1,10 @@
+{
+  "language": "C",
+  "name": "演習課題 1 List 3-8",
+  "description": "整数値の最下位桁判定プログラム",
+  "output": {
+    "type": "screenshot",
+    "content": "./assets/lst38.png"
+  },
+  "note": ""
+}

programs/lst38/main.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input integer: ");
+    scanf("%d", &n);
+
+    if (n % 10 == 5)
+        puts("Ones digit of the integer is 5.");
+    else
+        puts("Ones digit of the integer is not 5.");
+
+    return 0;
+}