P2. 输入测试

https://hydro.ac/d/system_test/record/61581aad97ec9cde15d81a1c

Hydro/d/system_test/2/2.cpp

@@ -0,0 +1,28 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, x;
+
+inline int read() {
+    int x = 0, w = 1;
+    char c;
+    while (!isdigit(c)) {
+        if (c == '-') w = -1;
+        c = getchar();
+    }
+    while (isdigit(c)) {
+        x = x * 10 + (c - '0');
+        c = getchar();
+    }
+    return x * w;
+}
+
+int main() {
+    n = read();
+    for (int i = 0; i <= n; i++) {
+        x = read();
+    }
+    printf("%d\n", x);
+    return 0;
+}