commit of the code for the DS n algos

Author: sidoncode

1200A.cpp

@@ -0,0 +1,24 @@
+#include<iostream>
+#include<conio.h>
+
+using namespace std;
+
+int main(){
+    string s;
+    string s1;
+    cin>>s;
+    cout<<endl;
+    cin>>s1;
+    if(s == '1'){
+        cout<<"okay"<<endl;
+    }
+    else if (s1 == s){
+        cout<<"okay 2"<<endl;
+    }
+    else{
+        cout<<"Wrong entry"<<endl;
+    }
+
+    getch();
+    return 0;    
+}

1213B.cpp

@@ -0,0 +1,38 @@
+#include<iostream>
+#include<conio.h>
+#include<algorithm>
+#include<vector>
+
+
+using namespace std;
+
+#define INF (int) 1e19
+
+int main(){
+    int n;
+    int T;
+    cin>>T;
+    while (T-->0){
+        cin>>n;
+        vector <int> v1; 
+        for(int i= 0;i<n;i++){
+            cin>>v1[i];
+        }
+        //creating a 2nd vector
+        vector <int> v2;
+        int min_val = INF;
+        for(int i=n-1;i>-1;i--){
+            min_val = min(min_val,v1[i]);
+            v2[i] = min_val;
+        }
+        int ans = 0;
+        for(int i=0;i<n-1;i++){
+            if(v1[i] > v2[i+1]){
+                ans++;
+            }
+        }
+        cout<<ans<<endl;
+    }
+    getch();
+    return 0;    
+}