#include <bits/stdc++.h>   using namespace std;   bool sortinrev(const pair<long long, long long> &a,                  const pair<long long, long long> &b) {     return (a.first > b.first);   }   void solve() {     long long n;     cin >> n;     long long a[n];     map<long long, long long> mp;     for (long long i = 0; i < n; i++) {       cin >> a[i];       mp[a[i]] = i;     }     long long p = 1;     long long end = n;     while (end != 0) {       long long k = mp[p];       for (long long i = k; i < end; i++) {         if (a[i] != p) {           cout <<  No                 <<   n ;           return;         }         p++;       }       end = k;     }     cout <<  Yes           <<   n ;   }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long t = 1;     cin >> t;     while (t--) {       solve();     }   }   