Submission #342481

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
342481	2021-01-02T08:29:49 Z	mjhmjh1104	The Potion of Great Power (CEOI20_potion)	C++14	14 / 100	554 ms	18668 KB

potion

#include <set>
#include <cmath>
#include <vector>
#include <algorithm>
using namespace std;

int n;
set<pair<int, int>> m;
vector<int> h, adj[100006];

void init(int N, int D, int H[]) {
    n = N;
    for (int i = 0; i < N; i++) h.push_back(H[i]);
}

bool cmp(const int &a, const int &b) {
    return h[a] < h[b];
}

void curseChanges(int U, int A[], int B[]) {
    for (int i = 0; i < U; i++) {
        int a = A[i], b = B[i];
        if (a > b) swap(a, b);
        if (m.count({ a, b })) m.erase({ a, b });
        else m.insert({ a, b });
    }
    auto it = m.begin();
    while (it != m.end()) {
        adj[it->first].push_back(it->second);
        adj[it->second].push_back(it->first);
        it = next(it);
    }
    for (int i = 0; i < n; i++) sort(adj[i].begin(), adj[i].end(), cmp);
}

int question(int x, int y, int v) {
    int i = 0, j = 0;
    int res = 1e9;
    while (i < (int)adj[x].size() && j < (int)adj[y].size()) {
        res = min(res, abs(h[adj[x][i]] - h[adj[y][j]]));
        if (h[adj[x][i]] <= h[adj[y][j]]) i++;
        else j++;
    }
    return res;
}

Subtask #1
0 / 0.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	2668 KB	Incorrect

Subtask #2
0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	3 ms	2796 KB	Incorrect
2	Halted	0 ms	0 KB	-

Subtask #3
14.0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	345 ms	18668 KB	Output is correct
2	Correct	319 ms	18512 KB	Output is correct
3	Correct	147 ms	5228 KB	Output is correct
4	Correct	348 ms	10092 KB	Output is correct
5	Correct	329 ms	16492 KB	Output is correct
6	Correct	554 ms	9708 KB	Output is correct
7	Correct	257 ms	9828 KB	Output is correct