diff --git a/GESP/GESP C++二级认证试卷2023年6月.pdf b/GESP/GESP C++二级认证试卷2023年6月.pdf
index b4ce476..11b0629 100644
Binary files a/GESP/GESP C++二级认证试卷2023年6月.pdf and b/GESP/GESP C++二级认证试卷2023年6月.pdf differ
diff --git a/GESP/Test.cpp b/GESP/Test.cpp
new file mode 100644
index 0000000..1f79dc8
--- /dev/null
+++ b/GESP/Test.cpp
@@ -0,0 +1,18 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int cnt;
+bool isPrime(int x) {
+    for (int i = 2; i <= sqrt(x); i++)
+        if (x % i == 0) return false;
+    return true;
+}
+int main() {
+    int n, m;
+    cin >> n >> m;
+    for (int i = n; i <= m; i++)
+        if (isPrime(i)) cnt++;
+
+    cout << cnt << endl;
+    return 0;
+}
\ No newline at end of file
diff --git a/GESP/新文件1.cpp b/GESP/新文件1.cpp
deleted file mode 100644
index 9248b3d..0000000
--- a/GESP/新文件1.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <bits/stdc++.h>
-using namespace std;
-
-int main() {
-	int n;
-	cin >> n;
-	for (int i = 1; i <= n; i++) {
-		for (int j = 1; j <= n; j++) {
-			if (j == 1 || j == n)
-				cout << "|";
-			else if (i == n / 2 + 1)
-				cout << "-";
-			else
-				cout << "a";
-		}
-		puts("");
-	}
-	return 0;
-}
\ No newline at end of file