Submission #848451

#TimeUsernameProblemLanguageResultExecution timeMemory
848451Perl32Art Exhibition (JOI18_art)C++14
0 / 100
1 ms344 KiB
/** * author: Perl32 * created: 07.09.2023 21:10:21 **/ #ifdef LOCAL # define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #define ff first #define ss second #define szof(x) (ll) x.size() #define all(x) x.begin(), x.end() #ifndef LOCAL # define cerr __get_ce__ #endif using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef unsigned long long ull; using namespace __gnu_pbds; template<typename K, typename V> using normal_unordered_map = gp_hash_table<K, V>; template<typename T> using normal_queue = priority_queue<T, vector<T>, greater<T>>; template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; template<typename K, typename V> using ordered_map = tree<K, V, less<K>, rb_tree_tag, tree_order_statistics_node_update>; template<typename T> bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; } template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } const ll INF = (ll) 1e9 + 1e3; const ll INFL = (ll) 1e18 + 1e9; #ifdef LOCAL mt19937 tw(9450189); #else mt19937 tw(chrono::high_resolution_clock::now().time_since_epoch().count()); #endif uniform_int_distribution<ll> ll_distr; ll rnd(ll a, ll b) { return ll_distr(tw) % (b - a + 1) + a; } signed main() { #ifdef LOCAL freopen("inp.txt", "r", stdin); freopen("out.txt", "w", stdout); freopen("err.txt", "w", stderr); auto start_time = clock(); cerr << setprecision(3) << fixed; #endif ios_base::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vector<pll> a(n); for (int i = 0; i < n; ++i) { cin >> a[i].ff >> a[i].ss; } sort(all(a)); vector<ll> pref(n + 1); for (int i = 0; i < n; ++i) { pref[i + 1] = pref[i] + a[i].ss; } ll ans = a[0].ss, mx = a[0].ff; for (int i = 1; i < n; ++i) { ans = max(ans, pref[i + 1] - a[i].ff + mx); mx = max(mx, a[i].ff - pref[i]); } cout << ans; #ifdef LOCAL auto end_time = clock(); cerr << "Execution time: " << (end_time - start_time) * (ll) 1e3 / CLOCKS_PER_SEC << " ms\n"; #endif }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...