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-rwxr-xr-xcontests/Round898/E/main.cpp157
-rw-r--r--contests/Round898/E/main_input0.txt11
-rw-r--r--contests/Round898/E/main_output0.txt5
3 files changed, 173 insertions, 0 deletions
diff --git a/contests/Round898/E/main.cpp b/contests/Round898/E/main.cpp
new file mode 100755
index 0000000..ca3db87
--- /dev/null
+++ b/contests/Round898/E/main.cpp
@@ -0,0 +1,157 @@
+#include <bits/stdc++.h>
+#include <climits>
+using namespace std;
+
+using ll = long long;
+using pii = pair<int, int>;
+using vpi = vector<pii>;
+using vi = vector<int>;
+using vll = vector<long long>;
+using mpii = map<int, int>;
+using mpll = map<ll, ll>;
+using db = long double;
+
+#define pb push_back
+#define all(x) (x).begin(), (x).end()
+#define rall(x) (x).rbegin(), (x).rend()
+#define lb lower_bound
+#define ub upper_bound
+#define make_unique(x) \
+ sort(all((x))); \
+ (x).resize(unique(all((x))) - (x).begin())
+#define ceil(a, b) ((a) + (b)-1) / (b)
+
+const int MOD = (int)1e9 + 7;
+const db PI = acos((db)-1);
+const int dx[4]{1, 0, -1, 0};
+const int dy[4]{0, 1, 0, -1};
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const pair<K, V> &p);
+template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec);
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const map<K, V> &m);
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const unordered_map<K, V> &m);
+template <typename T> ostream &operator<<(ostream &os, const set<T> &s);
+template <typename T>
+ostream &operator<<(ostream &os, const unordered_set<T> &s);
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const pair<K, V> &p) {
+ os << "(" << p.first << ", " << p.second << ")";
+ return os;
+}
+
+template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {
+ os << "{";
+ for (size_t i = 0; i < vec.size(); ++i) {
+ if (i > 0)
+ os << ", ";
+ os << vec[i];
+ }
+ os << "}";
+ return os;
+}
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const map<K, V> &m) {
+ os << "{";
+ for (const auto &p : m) {
+ os << p.first << ": " << p.second << ", ";
+ }
+ os << "}";
+ return os;
+}
+
+template <typename K, typename V>
+ostream &operator<<(ostream &os, const unordered_map<K, V> &m) {
+ os << "{";
+ for (const auto &p : m) {
+ os << p.first << ": " << p.second << ", ";
+ }
+ os << "}";
+ return os;
+}
+
+template <typename T> ostream &operator<<(ostream &os, const set<T> &s) {
+ int i = 0;
+ os << "{";
+ for (const auto &e : s) {
+ if (i > 0)
+ os << ", ";
+ os << e;
+ i++;
+ }
+ os << "}";
+ return os;
+}
+
+template <typename T>
+ostream &operator<<(ostream &os, const unordered_set<T> &s) {
+ int i = 0;
+ os << "{";
+ for (const auto &e : s) {
+ if (i > 0)
+ os << ", ";
+ os << e;
+ i++;
+ }
+ os << "}";
+ return os;
+}
+
+void dbg() { cerr << "\n"; }
+
+template <typename T, typename... TS> void dbg(T val, TS... vals) {
+ cerr << val << " ";
+ dbg(vals...);
+}
+
+/* stuff you should look for:
+ ---------------------------
+ * special cases (n=1?)
+ * int overflow, array bounds
+ * do smth instead of nothing and stay organized
+ * WRITE STUFF DOWN
+ * DON'T GET STUCK ON ONE APPROACH
+ */
+
+bool is_more(vi &v, int h, int x) {
+ ll w = 0;
+ for (auto x : v) {
+ if (h > x) {
+ w += h - x;
+ }
+ }
+ return w > x;
+}
+
+void solve() {
+ int n, x;
+ cin >> n >> x;
+ vi v(n);
+ for (auto &y : v) {
+ cin >> y;
+ }
+ ll l = 1, r = INT_MAX;
+ while (r - l > 1) {
+ ll mid = (r + l) / 2;
+ if (is_more(v, mid, x)) {
+ r = mid;
+ } else {
+ l = mid;
+ }
+ }
+ cout << l << '\n';
+}
+
+int main() {
+ ios_base::sync_with_stdio(false);
+ cin.tie(NULL);
+ int tt;
+ cin >> tt;
+ while (tt--) {
+ solve();
+ }
+}
diff --git a/contests/Round898/E/main_input0.txt b/contests/Round898/E/main_input0.txt
new file mode 100644
index 0000000..22ab867
--- /dev/null
+++ b/contests/Round898/E/main_input0.txt
@@ -0,0 +1,11 @@
+5
+7 9
+3 1 2 4 6 2 5
+3 10
+1 1 1
+4 1
+1 4 3 4
+6 1984
+2 6 5 9 1 8
+1 1000000000
+1
diff --git a/contests/Round898/E/main_output0.txt b/contests/Round898/E/main_output0.txt
new file mode 100644
index 0000000..21620d0
--- /dev/null
+++ b/contests/Round898/E/main_output0.txt
@@ -0,0 +1,5 @@
+4
+4
+2
+335
+1000000001