제출 #628886

#제출 시각아이디문제언어결과실행 시간메모리
628886hy_1열쇠 (IOI21_keys)C++17
0 / 100
1 ms212 KiB
#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; }

컴파일 시 표준 에러 (stderr) 메시지

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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