Submission #120116

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
1201162019-06-23 12:09:38MeloricWerewolf (IOI18_werewolf)C++14
100 / 100
2448 ms169576 KiB
#include "werewolf.h"
#include <bits/stdc++.h>
#define pb push_back
#define pii pair<int, int>
#define X first
#define Y second
#define ub upper_bound
#define lb lower_bound
using namespace std;
struct disj{
vector<int> par;
disj(int n){
for(int i = 0; i<n; i++)par.pb(i);
}
int fi(int a){return (a == par[a]) ? a : par[a] = fi(par[a]);}
void me(int a, int b){
a = fi(a);
b = fi(b);
par[b] = a;
}
};
struct ft{
vector<int> fen;
ft(int n){
fen.assign(n+1, 0);
}
int qer(int a){
 
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Compilation message (stderr)

werewolf.cpp: In member function 'void ft::upd(int, int)':
werewolf.cpp:38:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(; a < fen.size(); a+=a&(-a))fen[a]+=b;
               ~~^~~~~~~~~~~~
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