Submission #1003977

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003977		vjudge1	Pastiri (COI20_pastiri)	C++17	0 / 100	165 ms	6840 KiB

pastiri

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define pii pair<int,int>
#define tii tuple<int,int,int,int,int>
#define all(x) x.begin(),x.end()
#define allr(x) x.rbegin(),x.rend()


signed main(){
	int n,k; cin >> n >> k;
	for(int i=1; i<n; i++){
		int a,b; cin >> a >> b;
	}

	vector<int> pos(k);
	for(int& x : pos) cin >> x;

	vector<int> ans;
	for(int i=0; i<pos.size(); i++){
		if(i==pos.size()-1) ans.pb(pos[i]);
		else{
			int dist2 = pos[i+1]+pos[i];
			ans.pb(dist2/2);
			i+=((dist2%2)==0);
		}

	}
	cout << ans.size() << '\n';
	for(int x : ans) cout << x << " ";
	cout << '\n';
}

Compilation message (stderr)

pastiri.cpp: In function 'int main()':
pastiri.cpp:21:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(int i=0; i<pos.size(); i++){
      |               ~^~~~~~~~~~~
pastiri.cpp:22:7: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   if(i==pos.size()-1) ans.pb(pos[i]);
      |      ~^~~~~~~~~~~~~~

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