ADD file via upload

a2.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+struct stu
+{
+	int num;
+	float grade1;
+	float grade2;
+	float grade3;
+	float grade;
+}s[10];
+int main()
+{
+	for(int i=0;i<3;i++)
+	{
+		scanf("%d%f%f%f",&s[i].num,&s[i].grade1,&s[i].grade2,&s[i].grade3);
+	}
+	for(int i=0;i<3;i++)
+	{
+		s[i].grade=s[i].grade1+s[i].grade2+s[i].grade3;
+	}
+	for(int i=0;i<3;i++)
+	{
+		printf("%d  %.1f  %.1f  %.1f  %.1f\n",s[i].num,s[i].grade1,s[i].grade2,s[i].grade3,s[i].grade);
+	}
+	return 0;
+}