Submission #379243

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
379243	2021-03-17 15:10:39	Sorting	Werewolf (IOI18_werewolf)	C++17	100 / 100	764 ms	101352 KiB

werewolf

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#include "werewolf.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 3;
const int LOGN = 19;
vector<int> adj[N], ans, tr[2][N], tour[2];
vector<array<int, 2>> sweepline[N];
int n, q, s[N], e[N], l[N], r[N];
int st[2][N], en[2][N], par[2][N], lca[LOGN][N], pos[N];
struct DSU{
    int sz[N], p[N], head[N];
    DSU(){}
    void init(){
        for(int i = 0; i < n; ++i)
            sz[i] = 1, p[i] = i, head[i] = i;
    }
    int get_p(int x){
        if(x == p[x]) return x;
        return p[x] = get_p(p[x]);
    }
    bool unite(int a, int b, int idx){
        a = get_p(a), b = get_p(b);
        if(a == b) return false;
        if(sz[a] < sz[b]) swap(a, b);
        sz[a] += sz[b];
 
 
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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:89:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |     for(int i = 0; i < _X.size(); ++i){
      |                    ~~^~~~~~~~~~~

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