Submission #228063

#TimeUsernameProblemLanguageResultExecution timeMemory
228063qkxwsmBulldozer (JOI17_bulldozer)C++14
5 / 100
6 ms384 KiB
#include <bits/stdc++.h> using namespace std; template<class T, class U> void ckmin(T &a, U b) { if (a > b) a = b; } template<class T, class U> void ckmax(T &a, U b) { if (a < b) a = b; } #define MP make_pair #define PB push_back #define LB lower_bound #define UB upper_bound #define fi first #define se second #define SZ(x) ((int) (x).size()) #define ALL(x) (x).begin(), (x).end() #define FOR(i, a, b) for (auto i = (a); i < (b); i++) #define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--) typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<pii> vpi; typedef vector<pll> vpl; const int MAXN = 2013; struct point { ll x, y, w; }; int N; point arr[MAXN]; vpl angs; ll ans; bool cmp(point a, point b) { return a.x < b.x; } int32_t main() { cout << fixed << setprecision(12); cerr << fixed << setprecision(4); ios_base::sync_with_stdio(false); cin.tie(0); cin >> N; FOR(i, 0, N) { cin >> arr[i].x >> arr[i].y >> arr[i].w; } sort(arr, arr + N, cmp); ll sum = 0; FOR(i, 0, N) { sum += arr[i].w; ckmax(ans, sum); ckmax(sum, 0); } // FOR(i, 0, N) // { // FOR(j, i + 1, N) // { // ll dx = arr[j].x - arr[i].x, dy = arr[i].y - arr[j].y; // vpl ok; // FOR(k, 0, N) // { // ok.PB({dy * arr[k].x + dx * arr[k].y, arr[k].w}); // } // sort(ALL(ok)); // ll sum = 0; // FOR(k, 0, N) // { // sum += ok[k].se; // if (sum == 0) sum = 0; // ckmax(ans, sum); // } // FOR(k, 0, N - 1) // { // if (ok[k].fi == ok[k + 1].fi) // { // swap(ok[k], ok[k + 1]); // break; // } // } // sum = 0; // FOR(k, 0, N) // { // sum += ok[k].se; // if (sum == 0) sum = 0; // ckmax(ans, sum); // } // } // } cout << ans << '\n'; return 0; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...