'commit'

TangDou/LuoGuBook/P5724_2.cpp

@@ -0,0 +1,20 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+const int INF = 0x3f3f3f3f; //+∞
+//最大值设为最小，最小值设为最大
+//~哨兵~
+int Max = -INF, Min = INF;
+
+int main() {
+    int n;
+    cin >> n;
+    while (n--) {
+        int x;
+        cin >> x;
+        if (x > Max) Max = x;
+        if (x < Min) Min = x;
+    }
+    cout << Max - Min << endl;
+    return 0;
+}