func_code_string: #include <bits/stdc++.h>   using namespace std;   long long t, n, i, a[404040], x[404004];   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     cin >> t;     while (t--) {       cin >> n;       long long te = 1;       x[1] = -1;       x[2] = -1;       x[3] = -1;       long long ban = 0;       for (long long i = 1; i <= n; i++) cin >> a[i];       for (long long i = 1; (i * 2) <= n; i++) {         ban++;         if (a[i] != a[i + 1] && te == 1) {           x[te] = ban;           te++;           ban = 0;         } else if ((a[i] != a[i + 1]) && (ban > x[1])) {           x[te] = ban;           if (te == 2) {             te++;             ban = 0;           }         }       }       if ((x[3] == -1) || ((x[1] + x[2] + x[3]) * 2 > n)) {         x[1] = 0;         x[2] = 0;         x[3] = 0;       }       cout << x[1] <<     << x[2] <<     << x[3] <<   n ;     }   }   