diff options
Diffstat (limited to 'contests/Round898/E')
| -rwxr-xr-x | contests/Round898/E/main.cpp | 157 | ||||
| -rw-r--r-- | contests/Round898/E/main_input0.txt | 11 | ||||
| -rw-r--r-- | contests/Round898/E/main_output0.txt | 5 |
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 |
