From ef9dfb5d8bfa705a0c056a2652d298e5ebb763fb Mon Sep 17 00:00:00 2001 From: omagdy7 Date: Wed, 22 Feb 2023 20:18:04 +0200 Subject: Solved a bunch of problems --- contests/Starters78/D/main.cpp | 117 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100755 contests/Starters78/D/main.cpp (limited to 'contests/Starters78/D/main.cpp') diff --git a/contests/Starters78/D/main.cpp b/contests/Starters78/D/main.cpp new file mode 100755 index 0000000..3865920 --- /dev/null +++ b/contests/Starters78/D/main.cpp @@ -0,0 +1,117 @@ +#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, t; + cin >> n >> t; + vll p(n), b(n); + int ans = 0; + for (auto &x : p) cin >> x; + for (auto &x : b) cin >> x; + vector> tot(n); + for (int i = 0; i < n; i++) { + tot[i].first = p[i] + b[i]; + tot[i].second = i; + } + sort(all(tot)); + vector vis(n); + for (int i = 0; i < n; i++) { + if (t - tot[i].first >= 0) { + vis[tot[i].second] = true; + ans++; + t -= tot[i].first; + } + } + for (int i = 0; i < n; i++) { + if (t - p[i] >= 0 && !vis[i]) { + vis[i] = true; + ans++; + break; + } + } + cout << ans << '\n'; + +} + +int main () { + ios_base::sync_with_stdio(false); + cin.tie(NULL); + int tt; + cin >> tt; + while(tt--) { + solve(); + } +} + + -- cgit v1.2.3