This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <cmath>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdio.h>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <unordered_map>
using namespace std;
// int dfs(int source , vector<int> &c , int vv){
// int cnt = 0;
// stack<int> st;
// st.push(source);
// set<int> stock;
// stock.insert(c[source]);
// vector<int> visited(vv , false);
// while(!st.empty()){
// int cur = st.top();
// st.pop();
// visited[cur] = true;
// for(pair<int , int > i : adj[cur]){
// if(visited[i.first] == false && (count(stock.begin() , stock.end() , i.second) || ))
// }
// }
// }
vector<int> find_reachable(vector<int> r, vector<int> u, vector<int> v, vector<int> c) {
// vector<vector<pair<int, int > > > adj(r.size());
// for(int j=0; j<u.size(); j++){
// pair<int , int> you;
// you.first = v[j];
// you.second = c[j];
// adj[u[j]].push_back(you);
// pair<int , int> rr;
// rr.first = u[j];
// rr.second = c[j];
// adj[v[j]].push_back(rr);
// }
// vector<int> mx(r.size());
// for(int i = 0; i <r.size(); i++){
// mx[i] = dfs(i , c , r.size());
// }
// int y = *min_element(mx.begin() , mx.end());
// vector<int> ans(r.size() , 0);
// for(int i=0; i <mx.size(); i++){
// if(mx[i] == y) ans[i] = 1;
// }
// return ans;
vector<int> ans(r.size() , 0);
for(int i = 0; i <r.size(); i++){
if(r[i] != 0) ans[i] = 1;
}
return ans;
}
Compilation message (stderr)
keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:83:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
83 | for(int i = 0; i <r.size(); i++){
| ~~^~~~~~~~~
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