From 1ccba7112b334c0887bd349966219b38eb9ccfb9 Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Sun, 10 Dec 2023 15:55:42 +0200 Subject: Removed some empty problems and solved 2 problems in rust --- contests/Edu145/B/main.cpp | 150 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100755 contests/Edu145/B/main.cpp (limited to 'contests/Edu145/B/main.cpp') diff --git a/contests/Edu145/B/main.cpp b/contests/Edu145/B/main.cpp new file mode 100755 index 0000000..f95b893 --- /dev/null +++ b/contests/Edu145/B/main.cpp @@ -0,0 +1,150 @@ +#include +using namespace std; + +using ll = long long; +using pii = pair; +using vpi = vector; +using vi = vector; +using vll = vector; +using mpii = map; +using mpll = map; +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 ostream& operator<<(ostream& os, const pair& p); +template ostream& operator<<(ostream& os, const vector& vec); +template ostream& operator<<(ostream& os, const map& m); +template ostream& operator<<(ostream& os, const unordered_map& m); +template ostream& operator<<(ostream& os, const set& s); +template ostream& operator<<(ostream& os, const unordered_set& s); + + +template +ostream& operator<<(ostream& os, const pair& p) { + os << "(" << p.first << ", " << p.second << ")"; + return os; +} + +template +ostream& operator<<(ostream& os, const vector& vec) { + os << "{"; + for (size_t i = 0; i < vec.size(); ++i) { + if (i > 0) os << ", "; + os << vec[i]; + } + os << "}"; + return os; +} + + +template +ostream& operator<<(ostream& os, const map& m) { + os << "{"; + for (const auto& p : m) { + os << p.first << ": " << p.second << ", "; + } + os << "}"; + return os; +} + +template +ostream& operator<<(ostream& os, const unordered_map& m) { + os << "{"; + for (const auto& p : m) { + os << p.first << ": " << p.second << ", "; + } + os << "}"; + return os; +} + +template +ostream& operator<<(ostream& os, const set& s) { + int i = 0; + os << "{"; + for (const auto& e : s) { + if (i > 0) os << ", "; + os << e; + i++; + } + os << "}"; + return os; +} + +template +ostream& operator<<(ostream& os, const unordered_set& s) { + int i = 0; + os << "{"; + for (const auto& e : s) { + if (i > 0) os << ", "; + os << e; + i++; + } + os << "}"; + return os; +} + + +void print() { + cerr << "\n"; +} + +template +void print(T val, TS... vals) { + cerr << val << " "; + print(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 + */ + +ll mySqrt(ll a) { + ll l = 0, r = 1e9 + 1; + while (l + 1 < r) { + ll m = (l + r) / 2; + if (m * m <= a) { + l = m; + } else { + r = m; + } + } + return l; +} + +void solve() { + ll n; + cin >> n; + cout << (ll)sqrt(n - 1) << '\n'; +} + +int main () { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while(tt--) { + solve(); + } +} + + -- cgit v1.2.3