From f0b93e29743e4481a27ea837e5aadec8919f40a7 Mon Sep 17 00:00:00 2001
From: p8sljnpht <3178612685@qq.com>
Date: Sat, 16 Nov 2024 10:18:12 +0800
Subject: [PATCH] ADD file via upload

---
 2.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 2.c

diff --git a/2.c b/2.c
new file mode 100644
index 0000000..34a9e7c
--- /dev/null
+++ b/2.c
@@ -0,0 +1,56 @@
+#include <stdio.h>
+
+struct Data
+{
+	int ID;
+	float score1;
+	float score2;
+	float score3;
+} stu[1001];
+int stl = 0;
+
+float total(struct Data* a) {
+	return a->score1 + a->score2 + a->score3;
+}
+
+void swap(struct Data* a, struct Data* b) {
+	struct Data t = *a;
+	*a = *b;
+	*b = t;
+}
+
+void input1() {
+	scanf("%d", &stu[stl].ID);
+	scanf("%f", &stu[stl].score1);
+	scanf("%f", &stu[stl].score2);
+	scanf("%f", &stu[stl].score3);
+	stl++;
+}
+
+void Question1() {
+	printf("Please input info of three students:\n");
+	input1();input1();input1();
+	printf("%d  %2.1f  %2.1f  %2.1f  %.1f\n", stu[stl-3].ID, stu[stl-3].score1, stu[stl-3].score2, stu[stl-3].score3, total(&stu[stl-3]));
+	printf("%d  %2.1f  %2.1f  %2.1f  %.1f\n", stu[stl-2].ID, stu[stl-2].score1, stu[stl-2].score2, stu[stl-2].score3, total(&stu[stl-2]));
+	printf("%d  %2.1f  %2.1f  %2.1f  %.1f\n", stu[stl-1].ID, stu[stl-1].score1, stu[stl-1].score2, stu[stl-1].score3, total(&stu[stl-1]));
+
+}
+
+void Typein()
+{
+	scanf("%d", &stu[stl].ID);
+	scanf("%f", &stu[stl].score1);
+	scanf("%f", &stu[stl].score2);
+	scanf("%f", &stu[stl].score3);
+	stl++;
+}
+
+int main() {
+	Typein();
+	Typein();
+	Typein();
+	printf("%d  %2.1f  %2.1f  %2.1f  %.1f\n", stu[stl-3].ID, stu[stl-3].score1, stu[stl-3].score2, stu[stl-3].score3, total(&stu[stl-3]));
+	printf("%d  %2.1f  %2.1f  %2.1f  %.1f\n", stu[stl-2].ID, stu[stl-2].score1, stu[stl-2].score2, stu[stl-2].score3, total(&stu[stl-2]));
+	printf("%d  %2.1f  %2.1f  %2.1f  %.1f\n", stu[stl-1].ID, stu[stl-1].score1, stu[stl-1].score2, stu[stl-1].score3, total(&stu[stl-1]));
+
+}
\ No newline at end of file