Submission #1085861

#	Time	Username	Problem	Language	Result	Execution time	Memory
1085861		Izzy	Bosses (BOI16_bosses)	C++14	100 / 100	1045 ms	940 KiB

bosses

#include <vector>
#include <algorithm>
#include <iostream>
#include <unordered_map>
using namespace std;
int n;
unordered_map<int, vector<int>> arr;
int test(int start) {
    int lvlCount = 1;
    // int posCount = 1;
    vector<bool> visited(n, false);
    vector<vector<int>> levels = {{start}};
    int lvl = 0;
    int pos = 0;
    int salary = 0;
    vector<int> posLen = {1};
    visited[start] = true;
    while (lvl < lvlCount) {
        start = levels[lvl][pos];
        auto it = arr.find(start);
        if (it != arr.end()) {
            for (int i: arr[start]) {
                if (!visited[i]) {
                    visited[i] = true;
                    if (lvlCount > lvl + 1) {
                        levels[lvl + 1].push_back(i); 
                        posLen[lvl + 1]++;
                    }
                    else {
                        levels.push_back({i});
                        lvlCount++;
                        posLen.push_back(1);
                    }
                }
            }
        }
        pos++;

        // int a = int(levels[lvl].size());
        if (pos == posLen[lvl]) {
            salary += posLen[lvl] * (lvl + 1);
            lvl++;
            pos = 0;
        }
    }
    if (find(visited.begin(), visited.end(), false) == visited.end()) {
        return salary;
    }
    return 2147483646;
}

int main() {
    int salary = 2147483646;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int len;
        cin >> len;
        vector<int> temp;
        for (int j = 0; j < len; j++) {
            int x;
            cin >> x;
            x--;
            if (arr.find(x) == arr.end()) {
                arr[x] = {i};
            }
            else {
                arr[x].push_back(i);
            }
        }
    }
    for (int i = 0; i < n; i++) {
        if (arr.find(i) != arr.end()) {
            int temp = test(i);
            if (temp < salary) {
                salary = temp;
            }
        }
    }
    cout << salary;
}

• Subtask 1: 22 / 22
• Subtask 2: 45 / 45
• Subtask 3: 33 / 33