func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = 1e5 + 10;   const long long inf = 9e18;   struct NODE {     long long v, id;     bool operator<(const NODE& other) const {       return v > other.v || (v == other.v && id > other.id);     }   } node[N];   long long a[N], b[N];   long long n;   long long f(long long x, long long y) { return x - 3LL * y * y + 3LL * y - 1; }   long long find(long long v, long long x) {     long long l, r, mid;     l = 0;     r = x + 1;     while (r - l > 1) {       mid = (l + r) >> 1;       if (f(x, mid) >= v)         l = mid;       else         r = mid;     }     return l;   }   long long solve(long long x) {     long long tot = 0, i;     for (i = 1; i <= n; i++) {       tot += (b[i] = find(x, a[i]));     }     return tot;   }   int main() {     long long k, i, cnt = 0;     long long l = inf, r = -inf, mid, tot;     cin >> n >> k;     for (i = 1; i <= n; i++) {       cin >> a[i];       l = min(l, f(a[i], a[i]));       r = max(r, f(a[i], 1));     }     while (r - l > 1) {       mid = (l + r) >> 1;       if (solve(mid) <= k)         r = mid;       else         l = mid;     }     tot = solve(r);     for (i = 1; i <= n; i++)       if (b[i] < a[i]) node[++cnt].v = f(a[i], b[i] + 1), node[cnt].id = i;     sort(node + 1, node + cnt + 1);     for (i = 1; i <= cnt; i++) {       if (tot == k) break;       b[node[i].id]++;       tot++;     }     for (i = 1; i <= n; i++) cout << b[i] <<    ;     return 0;   }   