Submission #713826

#TimeUsernameProblemLanguageResultExecution timeMemory
713826AstraytHighway Tolls (IOI18_highway)C++17
Compilation error
0 ms0 KiB
#include "highway.h"
#include <bits/stdc++.h>
using namespace std;

void find_pair(int N, vector<int> U, vector<int> V, int A, int B) {
  	int M = U.size(), d = B - A;
	vector<int> w(M, 0), adj[N];
	for(int i = 0; i < M; ++i){
		adj[U[i]].pb(i);
		adj[V[i]].pb(i);
	}
	int S = -1, T = -1;
	long long toll = ask(w);
	for(int i = 0; i < N; ++i){
		for(auto id:adj[i]){
			w[i] = 1;
		}
		long long cur = ask(w);
		if(cur - toll == d && S == -1){
			S = i;
		}else T = i;
	}
  	answer(S, T);
}

Compilation message (stderr)

highway.cpp: In function 'void find_pair(int, std::vector<int>, std::vector<int>, int, int)':
highway.cpp:9:13: error: 'class std::vector<int>' has no member named 'pb'
    9 |   adj[U[i]].pb(i);
      |             ^~
highway.cpp:10:13: error: 'class std::vector<int>' has no member named 'pb'
   10 |   adj[V[i]].pb(i);
      |             ^~
highway.cpp:15:12: warning: unused variable 'id' [-Wunused-variable]
   15 |   for(auto id:adj[i]){
      |            ^~