Submission #772797

#	Time	Username	Problem	Language	Result	Execution time	Memory
772797		Abrar_Al_Samit	Split the Attractions (IOI19_split)	C++17	11 / 100	77 ms	12748 KiB

split

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

const int nax = 1e5 + 3;

//subtask 2

vector<int>g[nax];
int m;
bool vis[nax];
int a, b, c;

vector<int> find_split(int n, int A, int B, int C, 
	vector<int> p, vector<int> q) {
	a = A, b = B, c = C;

	m = p.size();
	for(int i=0; i<m; ++i) {
		g[p[i]].push_back(q[i]);
		g[q[i]].push_back(p[i]);
	}


	vector<int>stk;
	queue<int>qu;
	qu.push(0);

	while(stk.size()<b) {
		int v = qu.front();
		qu.pop();
		if(vis[v]) continue;
		vis[v] = 1;
		stk.push_back(v);

		for(int u : g[v]) if(!vis[u]) {
			qu.push(u);
		}
	}


	int cnt = 0;

	vector<int>res(n, 0);
	for(int x : stk) {
		res[x] = 2;
	}
	for(int i=0; i<n; ++i) if(res[i]==0) {
		if(cnt<c) {
			++cnt;
			res[i] = 3;
		} else {
			res[i] = 1;
		}
	}
	return res;
}

Compilation message (stderr)

split.cpp: In function 'std::vector<int> find_split(int, int, int, int, std::vector<int>, std::vector<int>)':
split.cpp:29:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   29 |  while(stk.size()<b) {
      |        ~~~~~~~~~~^~

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