제출 #440988

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
440988		julian33	Game (IOI14_game)	C++14	0 / 100	0 ms	204 KiB

game

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {
    cerr<<vars<<" = ";
    string delim="";
    (...,(cerr<<delim<<values,delim=", "));
    cerr<<"\n";
}
#else
#define deb(...) logger(#__VA_ARGS__, __VA_ARGS__)
template<typename ...Args>
void logger(string vars, Args&&... values) {}
#endif

#define pb push_back
#define sz(x) (int)(x.size())
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
template<typename T> inline void maxa(T& a,T b){a=max(a,b);}
template<typename T> inline void mina(T& a,T b){a=min(a,b);}

const int mxN=15e2+5;

int uf[mxN],num,cnt[mxN],N;

int find(int x){return uf[x]<0?x:uf[x]=find(uf[x]);}
bool same(int x,int y){return find(x)==find(y);}
void unite(int x,int y){
    x=find(x); y=find(y);
    assert(x!=y);
    if(uf[x]>uf[y])
        swap(x,y);
    uf[x]+=uf[y]; uf[y]=x;
    num--;
}

int hasEdge(int u,int v){
    cnt[u]++; cnt[v]++;
    if(num==2)
        return 0;
    if(same(u,v))
        return 0;
    if(cnt[u]==N-1 && abs(uf[find(u)])==1){
        unite(u,v);
        return 1;
    }
    if(cnt[v]==N-1 & abs(uf[find(v)])==1){
        unite(u,v);
        return 1;
    }
    return 0;
}

void initialize(int n){
    memset(uf,-1,sizeof(uf));
    num=n; N=n;
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:53:14: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   53 |     if(cnt[v]==N-1 & abs(uf[find(v)])==1){
      |        ~~~~~~^~~~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 27
• Subtask 3: 0 / 58