From 073411208c92e25f951b0f4e1982855797be0c48 Mon Sep 17 00:00:00 2001
From: ashish007kumar <ashishkumar357ak@gmail.com>
Date: Thu, 1 Oct 2020 00:15:03 +0530
Subject: [PATCH] cpp

---
 DP/Total Decoding Messages.cpp | 35 ++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 DP/Total Decoding Messages.cpp

diff --git a/DP/Total Decoding Messages.cpp b/DP/Total Decoding Messages.cpp
new file mode 100644
index 0000000..0644b83
--- /dev/null
+++ b/DP/Total Decoding Messages.cpp	
@@ -0,0 +1,35 @@
+#include<iostream>
+#include<bits/stdc++.h>
+using namespace std;
+int main()
+ {
+	//code
+	int t;
+	cin>>t;
+	while(t--){
+	    int n;
+	    cin>>n;
+	    string s;
+	    cin>>s;
+	    if(s[0]=='0'){
+	        cout<<0<<endl;
+	        continue;
+	    }
+	    
+	    int dp[n+1];
+	    dp[0]=dp[1]=1;
+	    
+	    for(int i=2;i<=n;i++){
+	        dp[i]=0;
+	        
+	        if(s[i-1]>'0'){
+	            dp[i]=dp[i-1];
+	        }
+	        if( (s[i-2]=='1') || ( s[i-2]=='2' && s[i-1]<'7') ){
+	            dp[i]=dp[i]+dp[i-2];
+	        }
+	    }
+	    cout<<dp[n]<<endl;
+	}
+	return 0;
+}
\ No newline at end of file