commit 01_C语言程序设计

.gitignore

@@ -0,0 +1 @@
+*.exe

term1/01_C语言程序设计/编程作业/work01/001.c

@@ -0,0 +1 @@
+

term1/01_C语言程序设计/编程作业/work01/0101.c

@@ -0,0 +1,12 @@
+/* example1-1*/
+#include<stdio.h>
+
+int main(void)
+{
+    printf("hello world!");
+
+    return 0;
+}
+
+
+

term1/01_C语言程序设计/编程作业/work01/0102.c

@@ -0,0 +1,12 @@
+/* example1-2 */
+#include<stdio.h>
+
+int main(void)
+{
+    printf("   *\n");
+    printf("  ***\n");
+    printf(" *****\n");
+    printf("*******\n");
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work01/0103.c

@@ -0,0 +1,15 @@
+/* example103 */
+#include<stdio.h>
+
+int main(void)
+{
+    int data1,data2,data3;
+
+    data1 = 80;
+    data2 = 80;
+    data3 = data1 + data2;
+
+    printf("data3 = %d\n",data3);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work01/0104.c

@@ -0,0 +1,23 @@
+/* example1-4 */
+#include<stdio.h>
+
+int main(void)
+{
+    int a,b,y1,y2,y3,y4;;
+
+    a=12;
+    b=35;
+    y1 = a + b;
+    y2 = a - b;
+    y3 = a * b;
+    y4 = a / b;
+
+    printf("y1 = %d\n", y1);
+    printf("y2 = %d\n", y2);
+    printf("y3 = %d\n", y3);
+    printf("y4 = %d\n", y4);
+
+    return 0;
+}
+
+

term1/01_C语言程序设计/编程作业/work01/0105.c

@@ -0,0 +1,22 @@
+/* example1-5 */
+#include<stdio.h>
+
+int main(void)
+{
+    char a, b, c, d;
+
+    printf("please enter a character: ");
+    scanf("%c",&c);
+    a = 'A';
+    b = a + 32;
+    d = 112;
+
+    printf("a = %c, %d\n", a, a);
+    printf("b = %c, %d\n", b, b);
+    printf("c = %c, %d\n", c, c);
+    printf("d = %c, %d\n", d, d);
+
+    return 0;
+
+
+}

term1/01_C语言程序设计/编程作业/work01/0106.c

@@ -0,0 +1,13 @@
+/* example1-6 */
+#include<stdio.h>
+
+int main(void)
+{
+    int a = 9, b = 5;
+
+    printf("%d, %d\n", a, b);
+    printf("%d, %d\n", a++, b--);
+    printf("%d, %d\n", ++a, --b);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work01/0107.c

@@ -0,0 +1,15 @@
+/* example1-7 */
+#include<stdio.h>
+
+int main(void)
+{
+    int a = -1;
+    unsigned b = 1;
+    char c = 'A';
+
+    printf("a = %u, %d, %o, %x\n", a, a, a, a);
+    printf("b = %u, %d, %o, %x\n", b, b, b, b);
+    printf("c = %u, %d, %o, %x\n", c, c, c, c);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work01/0108.c

@@ -0,0 +1,18 @@
+/* example1-8 */
+#include<stdio.h>
+
+int main(void)
+{
+    int a, b, c, d, e, f;
+
+    a = sizeof(int);
+    b = sizeof(char);
+    c = sizeof(double);
+    d = sizeof(short);
+    e = sizeof(long);
+    f = sizeof(float);
+
+    printf("%d\n%d\n%d\n%d\n%d\n%d", a, b, c, d, e, f);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work01/0109.c

@@ -0,0 +1,25 @@
+/* example1-9 */
+#include<stdio.h>
+#include<math.h>
+
+int main(void)
+{
+    float x, y, dDistance, dAngle;
+
+    printf("ÇëÊäÈëxµÄÖµ:");
+    scanf("%f", &x);
+    printf("ÇëÊäÈëyµÄÖµ:");
+    scanf("%f", &y);
+
+    dDistance = sqrt((x * x)+(y * y));
+    dAngle = atan(y / x);
+
+    printf("The Distance is:%f\n", dDistance);
+    printf("The Angle is:%f rad\n", dAngle);
+
+    return 0;
+}
+
+
+
+

term1/01_C语言程序设计/编程作业/work01/0110.c

@@ -0,0 +1,22 @@
+/* example1-10 */
+#include<stdio.h>
+#include<math.h>
+#define PI 3.1415
+
+int main(void)
+{
+    float r, fArea;
+    printf("请输入半径：");
+    scanf("%f", &r);
+
+    fArea = PI * r * r;
+
+    printf("圆的面积为：%f", fArea);
+
+    return 0;
+}
+
+
+
+
+

term1/01_C语言程序设计/编程作业/work01/Demo.c

@@ -0,0 +1,17 @@
+/*  */
+#include<stdio.h>
+
+int main(void)
+{
+
+}
+
+
+
+
+
+
+
+
+
+

term1/01_C语言程序设计/编程作业/work02/0201.c

@@ -0,0 +1,21 @@
+//***********************************************
+//File name:0201
+//Author:ŔîşĆČť
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+#include<math.h>
+
+int main(void)
+{
+    float a, b, c, q, fArea;
+    printf("please input triangles side:\n");
+    scanf("%f%f%f", &a, &b, &c);
+
+    q = (a + b + c) *0.5;
+    fArea = sqrt(q * (q - a) * (q - b) * (q - c));
+
+    printf("The area is:%.2f", fArea);
+
+}

term1/01_C语言程序设计/编程作业/work02/0202.c

@@ -0,0 +1,20 @@
+//***********************************************
+//File name:0202
+//Author:ÀîºÆÈ»
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+
+int main(void)
+{
+    float a, b, c, fVolume;
+    printf("Please input long,weight,high:\n");
+    scanf("%f%f%f", &a, &b, &c);
+
+    fVolume = a * b * c;
+
+    printf("The volume is:%.2f", fVolume);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work02/0203.c

@@ -0,0 +1,20 @@
+//***********************************************
+//File name:0203
+//Author:ÀîºÆÈ»
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+#define PI 3.14159
+int main(void)
+{
+    float r, h, fVolume;
+    printf("please input r,h:\n");
+    scanf("%f%f", &r, &h);
+
+    fVolume = (PI * r * r * h)/3;
+
+    printf("The volume is:%f", fVolume);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work02/0204.c

@@ -0,0 +1,21 @@
+//***********************************************
+//File name:0204
+//Author:李浩然
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+#define PI 3.14159
+
+int main(void)
+{
+    float fAngle, r, fArea;
+    printf("请输入度数和半径：");
+    scanf("%f%f", &fAngle, &r);
+
+    fArea = (fAngle / 360) * PI * r * r;
+
+    printf("扇形的面积是:%f", fArea);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work02/0205.c

@@ -0,0 +1,29 @@
+//***********************************************
+//File name:0205
+//Author:李浩然
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+#include<math.h>
+
+int main(void)
+{
+    float x, y, z, fDistance;
+    float a, b, c;
+    printf("请输入x,y,z:");
+    scanf("%f%f%f", &x, &y, &z);
+
+    fDistance = sqrt(x * x + y * y + z * z);
+    a = acos(x/fDistance);
+    b = acos(y/fDistance);
+    c = acos(z/fDistance);
+
+    printf("到原点的距离 = %f", fDistance);
+    printf("与x轴的夹角= %f", a);
+    printf("与y轴的夹角= %f", b);
+    printf("与z轴的夹角= %f", c);
+
+    return 0;
+}
+

term1/01_C语言程序设计/编程作业/work02/0206.c

@@ -0,0 +1,20 @@
+//***********************************************
+//File name:0206
+//Author:李浩然
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+
+int main(void)
+{
+    float a, b, c, d, fAverange;
+    printf("请输入四科成绩：\n");
+    scanf("%f%f%f%f", &a, &b, &c, &d);
+
+    fAverange = (a + b + c + d)/4;
+
+    printf("四科成绩的平均值是：%.2f", fAverange);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work02/0207.c

@@ -0,0 +1,18 @@
+//***********************************************
+//File name:0207
+//Author:李浩然
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+
+int main(void)
+{
+    int a;
+    printf("请输入0~9中的任意一位数字：");
+    scanf("%d", &a);
+    a = a + 32;
+    printf("它对应的ASCII码是：%d", a);
+
+    return 0;
+}

term1/01_C语言程序设计/编程作业/work02/0208.c

@@ -0,0 +1,20 @@
+//***********************************************
+//File name:0208
+//Author:李浩然
+//Date:2019.10.20
+//Student ID:2019218211
+//***********************************************
+#include<stdio.h>
+
+int main(void)
+{
+    char a, b;
+    printf("请输入大写字母：");
+    scanf("%c", &a);
+
+    b = a + 32;
+
+    printf("它的小写字母是：%c\n", b);
+
+    return 0;
+}