Submission #293754

#	Time	Username	Problem	Language	Result	Execution time	Memory
293754		egekabas	Split the Attractions (IOI19_split)	C++14	11 / 100	118 ms	12664 KiB

split

#include "split.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
using namespace std;
int lft;
vector<int> ans;
vector<int> g[100009];
void dfssp(int v){
	if(lft <= 0) return;
	--lft;
	ans[v] = 2;
	for(auto u : g[v])
		if(ans[u] == 0)
			dfssp(u);
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	for(int i = 0; i < p.size(); ++i){
		g[p[i]].pb(q[i]);
		g[q[i]].pb(p[i]);
	}
	ans.resize(n);
	if(a == 1){
		lft = b;
		dfssp(0);
		for(int i = 0; i < n; ++i)
			if(ans[i] == 0){
				ans[i] = 1;
				break;
			}
		for(int i = 0; i < n; ++i)
			if(ans[i] == 0)
				ans[i] = 3;
		return ans;
	}
}

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(int i = 0; i < p.size(); ++i){
      |                 ~~^~~~~~~~~~
split.cpp:48:1: warning: control reaches end of non-void function [-Wreturn-type]
   48 | }
      | ^

• Subtask 1: 0 / 7
• Subtask 2: 11 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36