Submission #1003941

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003941		vjudge1	Pastiri (COI20_pastiri)	C++17	8 / 100	260 ms	34248 KiB

pastiri

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

const int MAXN = 500010;
vector <int> v[MAXN];
int ovelha[MAXN], divi[MAXN];

int main(){
	int n, k;
	cin >> n >> k;
	for(int i=1; i<n; i++){
		int a, b;
		cin >> a >> b;
		v[a].push_back(b);
		v[b].push_back(a);
	}

	for(int i=0; i<k; i++){
		int a;
		cin >> a;
		ovelha[i] = a;
	}

	sort(ovelha, ovelha+k);

	int resp = 0;
	vector <int> pastor;
	for(int i=0; i<k-1; i++){
		if(divi[i]==1) continue;
		resp++;
		if((ovelha[i+1] - ovelha[i])%2 == 0){
			divi[i+1] = 1;
			pastor.push_back((ovelha[i+1] - ovelha[i])/2 + ovelha[i]);
		}
		else{
			pastor.push_back(ovelha[i]);
		}
	}
	if(divi[k-1]==0){
		resp++;
		pastor.push_back(ovelha[k-1]);
	}
	cout << resp << endl;

	for(int i=0; i<pastor.size(); i++) cout << pastor[i] << " ";
}

Compilation message (stderr)

pastiri.cpp: In function 'int main()':
pastiri.cpp:45:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for(int i=0; i<pastor.size(); i++) cout << pastor[i] << " ";
      |               ~^~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 0 / 18
• Subtask 3: 0 / 23
• Subtask 4: 0 / 51