func_code_string: #include <bits/stdc++.h>   using namespace std;   int dp[3001];   int n;   struct node {     int pos, val;     bool operator<(const node& a) const { return val < a.val; }   } nodes[3001];   int main() {     int t;     scanf( %d , &t);     while (t--) {       int ans = 0;       scanf( %d , &n);       for (int i = 0; i < n; i++) {         scanf( %d , &nodes[i].val);         nodes[i].pos = i;       }       sort(nodes, nodes + n);       dp[0] = 1;       for (int i = 1; i < n; i++) {         if (nodes[i - 1].pos < nodes[i].pos)           dp[i] = dp[i - 1] + 1;         else           dp[i] = 1;         ans = max(ans, dp[i]);       }       ans = max(ans, dp[0]);       printf( %d n , n - ans);     }     return 0;   }   