제출 #1312044

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1312044		sheb	Drivers (BOI24_drivers)	C++20	컴파일 에러	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long

const string yes = "TAIP";
const string no = "NE";

int32_t main() {
    int n, e, q;cin>>n>>e>>q;
    vector<pair<int, int>> M[n+1];
        for (int i = 0; i < e; i++) {
            int a, b, t;cin>>a>>b>>t;
            M[a].push_back(make_pair(b, t));
            M[b].push_back(make_pair(a, t));
        }
    vector<string> ANS;
    
    for (int i = 0; i < q; i++) {
        int a, b, k;cin>>a>>b>>k;
        set<int> V;
        bool done = false
        function<void(int, int, int)> search = [&V, &M, &search](int a, int b, int k) {
            if (a == b) {done = true; return;}
            V.insert(a);
            for (auto it = M[a].begin(); it != M[a].end(); it++) {
                if (
                    it->second > k or
                    V.find(it->first) != V.end()
                ) continue;
                search(it->first, b, k);
            }
        };
        search(a, b, k);
        ANS.push_back((done)? yes: no);
    }
    for (string &s: ANS)
        cout << s << '\n';
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int32_t main()':
Main.cpp:22:9: error: expected ',' or ';' before 'function'
   22 |         function<void(int, int, int)> search = [&V, &M, &search](int a, int b, int k) {
      |         ^~~~~~~~
In file included from /usr/include/c++/13/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from Main.cpp:1:
/usr/include/c++/13/bits/stl_algo.h: In instantiation of 'constexpr _ForwardIterator std::search(_ForwardIterator, _ForwardIterator, const _Searcher&) [with _ForwardIterator = long long int; _Searcher = long long int]':
Main.cpp:33:15:   required from here
/usr/include/c++/13/bits/stl_algo.h:4275:24: error: expression cannot be used as a function
 4275 |     { return __searcher(__first, __last).first; }
      |              ~~~~~~~~~~^~~~~~~~~~~~~~~~~