Submission #941176

#	Time	Username	Problem	Language	Result	Execution time	Memory
941176		sapientsapiens	Bosses (BOI16_bosses)	C++14	0 / 100	1 ms	348 KiB

bosses

#include <iostream>
#include <vector>
#include <queue>

using namespace std;

int n;
vector <int> followers[5005];
int main() {
    cin >> n;
    for(int i = 0; i < n; i++) {
        int k;
        cin >> k;
        for(int j = 0; j < k; j++) {
            int a;
            cin >> a;
            followers[a].push_back(i + 1);
        }
    }
    int mi = 2e9;
    for(int i = 1; i <= n; i++) {
        //calculate the total sum of salaries when i is the ultimate boss of the company
        queue <pair<int, int> > q;
        q.push({i, 1});
        bool visited[5005] = {false};
        int sum = 0;
        visited[1] = true;
        while(!q.empty()) {
            pair <int, int> now = q.front();
            q.pop();
            for(int j = 0; j < followers[now.first].size(); j++) {
                if(!visited[followers[now.first][j]]) {
                    visited[followers[now.first][j]] = true;
                    q.push({followers[now.first][j], now.second + 1});
                }
            }
            sum += now.second;
        }
        mi = min(mi, sum);
    }
    cout << mi;
}

Compilation message (stderr)

bosses.cpp: In function 'int main()':
bosses.cpp:31:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |             for(int j = 0; j < followers[now.first].size(); j++) {
      |                            ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 22
• Subtask 2: 0 / 45
• Subtask 3: 0 / 33