new file: P4552.cpp

P4552.cpp

@@ -0,0 +1,29 @@
+// 100
+#include <cstdio>
+#include <algorithm>
+using namespace std;
+int n;
+int main()
+{
+    scanf("%d", &n);
+    long long x = 0, y = 0;
+    long long a, pre = 0;
+    for (int i = 1; i <= n; ++i)
+    {
+        scanf("%lld", &a);
+        if (i == 1)
+            pre = a;
+        long long cha = a - pre;
+        if (cha > 0)
+            x += cha;
+        else
+            y -= cha;
+        pre = a;
+    }
+    printf("%lld\n%lld\n", max(x, y), abs(x - y) + 1);
+    return 0;
+}
+/*
+1 1 2 2
+1 0 1 0
+*/