Submission #341835

#	Time	Username	Problem	Language	Result	Execution time	Memory
341835		shrek12357	Werewolf (IOI18_werewolf)	C++14	15 / 100	362 ms	32620 KiB

werewolf

#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
#include <stack>
#include <bitset>
//#include "molecules.h"
using namespace std;
#define ll long long
//cin.tie(0);ios_base::sync_with_stdio(0);

const int MAXN = 1e5 + 5;

int n;
vector<int> adjList[MAXN];

bool ans1(int s, int e, int l, int r) {
	bool can[MAXN], can1[MAXN];
	bool vis[MAXN], vis1[MAXN];
	queue<int> q;
	q.push(s);
	for (int i = 0; i < n; i++) {
		vis[i] = false;
		vis1[i] = false;
		can[i] = false;
		can1[i] = false;
	}
	while (q.size() > 0) {
		int cur = q.front();
		q.pop();
		if (vis[cur]) {
			continue;
		}
		can[cur] = true;
		vis[cur] = true;
		for (auto i : adjList[cur]) {
			if(i >= l)
				q.push(i);
		}
	}
	q.push(e);
	while (q.size() > 0) {
		int cur = q.front();
		q.pop();
		if (vis1[cur]) {
			continue;
		}
		vis1[cur] = true;
		can1[cur] = true;
		for (auto i : adjList[cur]) {
			if (i <= r) {
				q.push(i);
			}
		}
	}
	for (int i = 0; i < n; i++) {
		if (can[i] == can1[i] && can[i]) {
			return true;
		}
	}
	return false;
}


vector<int> check_validity(int N, vector<int> x, vector<int> y, vector<int> s, vector<int> e, vector<int> l, vector<int> r) {
	n = N;
	for (int i = 0; i < x.size(); i++) {
		adjList[x[i]].push_back(y[i]);
		adjList[y[i]].push_back(x[i]);
	}
	vector<int> ans;
	for (int i = 0; i < s.size(); i++) {
		ans.push_back(ans1(s[i], e[i], l[i], r[i]));
	}
	return ans;
}

Compilation message (stderr)

werewolf.cpp: In function 'std::vector<int> check_validity(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
werewolf.cpp:73:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |  for (int i = 0; i < x.size(); i++) {
      |                  ~~^~~~~~~~~~
werewolf.cpp:78:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |  for (int i = 0; i < s.size(); i++) {
      |                  ~~^~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 8 / 8
• Subtask 3: 0 / 34
• Subtask 4: 0 / 51