Lesson 1.

01/Exercise3-1.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <math.h>
+
+int main() {
+    double a, b, z;
+    printf("input a and b");
+    scanf("%lf, %lf", &a, &b);
+    z = exp(a * a + b * b);
+    printf("z = %f\n", z);
+    return 0;
+}

01/Exercise3-7.c

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+#include<stdio.h>
+
+int main() {
+    char a;
+    scanf("%c", &a);
+    printf("%c", a-32);
+    return 0;
+}

01/Experiment1-1.c

@@ -0,0 +1,13 @@
+#include "stdio.h"
+#include "stdlib.h"
+
+int main() { 
+    int a, b;
+    char c;
+    c=getchar();
+    scanf("%d%d",&a,&b); 
+    putchar(c); 
+    printf("%d,%d\n",a,b);
+    system("pause");
+    return 0;
+}