ADD file via upload

学籍管理系统1.cpp

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+int main() {
+    char choice[10];
+    printf("                              1.Input\n");
+    printf("                              2.Output\n");
+    printf("                              3.Order\n");
+    printf("                              4.Quit\n");
+    scanf("%s", choice);
+    // 将输入的字符转换为小写字母，方便后续判断
+    for (int i = 0; i < strlen(choice); i++) {
+        choice[i] = tolower(choice[i]);
+    }
+
+    if (strcmp(choice, "i") == 0) {
+        printf("You are trying to Input info\n");
+    } else if (strcmp(choice, "o") == 0) {
+        printf("You are trying to Output info\n");
+    } else if (strcmp(choice, "m") == 0) {
+        printf("You are trying to Make things ordered\n");
+    } else if (strcmp(choice, "q") == 0) {
+        printf("You are about to Quit\n");
+    } else {
+        printf("Wrong input\n");
+    }
+
+    return 0;
+}