Create 339.cpp

Author: shubham4756

Codeforces/339.cpp

@@ -0,0 +1,22 @@
+/*
+link. https://codeforces.com/contest/339/problem/B
+*/
+
+#include<bits/stdc++.h>
+using namespace std;
+int main()
+{    unsigned long long int n,m;
+     cin>>n>>m;
+     unsigned long long int pos=1,sum=0,a[m],num=0;
+     for(long int i=0;i<m;i++)
+       {
+         cin>>a[i];
+         if(i!=0)
+         {
+             if(a[i-1]>a[i])
+                num++;
+         }
+       }
+       cout<<(num*n)+a[m-1]-1;
+    return 0;
+}