From ef09dc1158cfb989a59af5e987d1791d159ad055 Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Mon, 13 Mar 2023 12:59:41 +0200 Subject: Solved some problems --- contests/Starters80/B/main | Bin 0 -> 22528 bytes contests/Starters80/B/main.cpp | 102 +++++++++++++++++++++++++++++++++ contests/Starters80/B/main_input0.txt | 13 +++++ contests/Starters80/B/main_output0.txt | 4 ++ 4 files changed, 119 insertions(+) create mode 100755 contests/Starters80/B/main create mode 100755 contests/Starters80/B/main.cpp create mode 100644 contests/Starters80/B/main_input0.txt create mode 100644 contests/Starters80/B/main_output0.txt (limited to 'contests/Starters80/B') diff --git a/contests/Starters80/B/main b/contests/Starters80/B/main new file mode 100755 index 0000000..acb6894 Binary files /dev/null and b/contests/Starters80/B/main differ diff --git a/contests/Starters80/B/main.cpp b/contests/Starters80/B/main.cpp new file mode 100755 index 0000000..eec794e --- /dev/null +++ b/contests/Starters80/B/main.cpp @@ -0,0 +1,102 @@ +#include +using namespace std; + +using ll = long long; +using pi = 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 + +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}; + +//pretty printing +template +void printm(const map &mp) { + cerr << "{" << endl; + for (auto p : mp) { + cerr << " { " << p.first << " : " << p.second << " }\n"; + } + cerr << "}" << endl; +} +template +void printv(const vector &v) { + cerr << "["; + for (int i = 0; i < v.size(); i++) { + if (i == v.size() - 1) { + cerr << v[i]; + } else { + cerr << v[i] << ", "; + } + } + cerr << "]\n"; +} + +template +void printvv(const vector> &v) { + cerr << "[\n"; + for (auto &vec : v) { + cout << " "; + printv(vec); + } + cerr << "]\n"; +} +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 + */ + +void solve() { + int n; + cin >> n; + vi a(n); + vi b(n); + for (auto &x : a) cin >> x; + for (auto &x : b) cin >> x; + int ans = 0; + for (int i = 0; i < n; i++) { + if (abs(a[i] - b[i]) <= max(a[i], b[i]) / 2) { + ans++; + } + } + cout << ans << '\n'; + +} + +int main () { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while(tt--) { + solve(); + } +} + + diff --git a/contests/Starters80/B/main_input0.txt b/contests/Starters80/B/main_input0.txt new file mode 100644 index 0000000..d772d54 --- /dev/null +++ b/contests/Starters80/B/main_input0.txt @@ -0,0 +1,13 @@ +4 +3 +100 200 300 +300 200 100 +4 +1000 1000 1000 1000 +400 500 600 1200 +4 +800 399 1400 532 +2053 2300 3400 23 +5 +800 850 900 950 1000 +600 800 1000 1200 1400 diff --git a/contests/Starters80/B/main_output0.txt b/contests/Starters80/B/main_output0.txt new file mode 100644 index 0000000..e69337e --- /dev/null +++ b/contests/Starters80/B/main_output0.txt @@ -0,0 +1,4 @@ +1 +3 +0 +5 -- cgit v1.2.3