From 10eda600bd66ee49127fa02b0e7b0a15a6195dfa Mon Sep 17 00:00:00 2001
From: pc9ha2xvl <2119910569@qq.com>
Date: Fri, 22 Nov 2024 17:26:04 +0800
Subject: [PATCH] ADD file via upload

---
 step2.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 step2.c

diff --git a/step2.c b/step2.c
new file mode 100644
index 0000000..8707371
--- /dev/null
+++ b/step2.c
@@ -0,0 +1,48 @@
+#include <stdio.h>
+int main() {
+    int student_id[3];
+    float math_score[3], physics_score[3], english_score[3], total_score[3];
+
+    // 遍历三个学生的数据录入
+    int i; 
+    for (i = 0; i < 3; i++) {
+        // 录入学号，并验证其有效性（5位自然数且首位不为0）
+        while (1) {
+            scanf("%d", &student_id[i]);
+            if (student_id[i] >= 10000 && student_id[i] <= 99999) {
+                break;
+            } else {
+                printf("学号应为5位自然数且首位不能是0，请重新输入学号%d的信息:\n", i + 1);
+                // 清除输入缓冲区中的无效输入
+                while (getchar() != '\n');
+            }
+        }
+
+        // 录入并验证三个科目的成绩（两位整数加一位小数）
+        int j;
+        for (j = 0; j < 3; j++) {
+            float *score = (j == 0) ? &math_score[i] : (j == 1) ? &physics_score[i] : &english_score[i];
+            while (1) {
+                scanf("%f", score);
+                if (*score >= 0.0 && *score < 100.0) { // 假设成绩在0到99.9之间
+                    break;
+                } else {
+                    printf("成绩应在0.0到99.9之间，请重新输入学生%d的科目%d成绩:\n", i + 1, j + 1);
+                    // 清除输入缓冲区中的无效输入
+                    while (getchar() != '\n');
+                }
+            }
+        }
+
+        // 计算总成绩
+        total_score[i] = math_score[i] + physics_score[i] + english_score[i];
+    }
+
+    // 按照指定格式打印输出结果
+   
+    for (i = 0; i < 3; i++) {
+        printf("%05d  %.1f  %.1f  %.1f  %.1f\n", student_id[i], math_score[i], physics_score[i], english_score[i], total_score[i]);
+    }
+
+    return 0;
+}