delete pics to save space

1.5019.cpp

@@ -0,0 +1,15 @@
+#include<cstdio>
+int n,res,last,x;
+int main()
+{
+	scanf("%d%d",&n,&last);
+	res=last;
+	for(int i=2;i<=n;i++)
+	{
+		scanf("%d",&x);
+		if(x>last) res+=x-last;
+		last=x;
+	}
+	printf("%d\n",res);
+	return 0;
+}