Submission #746360

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
746360	2023-05-22 11:50:53	nguyentunglam	Catfish Farm (IOI22_fish)	C++17	100 / 100	446 ms	30728 KiB

fish

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#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 1e5 + 10;
int order[N * 3];
vector<int> fish[N];
vector<long long> pref[N];
long long f[3][2][2][2];
long long calc(int h, int col) {
    if (h == -1 || col < 0 || fish[col].empty()) return 0;
    int idx = --upper_bound(fish[col].begin(), fish[col].end(), h) - fish[col].begin();
    return pref[col][idx];
}
long long max_weights(int n, int m, vector<int> X, vector<int> Y, vector<int> W) {
    for(int i = 0; i < n; i++) fish[i].push_back(0), pref[i].push_back(0);
    for(int i = 0; i < m; i++) order[i] = i;
    sort(order, order + m, [&] (const int &A, const int &B) {
         return Y[A] < Y[B];
         });
    for(int cur = 0; cur < m; cur++) {
        int i = order[cur];
        fish[X[i]].push_back(Y[i]);
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 6 / 6
• Subtask 3: 9 / 9
• Subtask 4: 14 / 14
• Subtask 5: 21 / 21
• Subtask 6: 17 / 17
• Subtask 7: 14 / 14
• Subtask 8: 16 / 16