제출 #344100

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
344100		beksultan04	Meetings (JOI19_meetings)	C++14	0 / 100	327 ms	748 KiB

meetings

#include "meetings.h"
//#include "grader.cpp"
#include <bits/stdc++.h>

#define ll long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
using namespace std;
bool vis[2001],voobshe[2001];
set <int> g[2001];

void dfs(int x,int p){
    for (int to : g[x]){

        if (to == p)continue;
        Bridge(x,to);
        dfs(to,x);
    }
}


void Solve(int N) {
    int x = Query(0, 1, 2),i,j,y=1;
    if (N == 3){
        if (x == 0){
            Bridge(0,1);
            Bridge(0,2);
        }
        else if (x == 1){
            Bridge(1,2);
            Bridge(0,1);
        }
        else {
            Bridge(0,2);
            Bridge(1,2);
        }
        ret ;
    }
    map <pii,bool> mp;
    /// krasava -_0
    x=0;
    for (i=1;i<N;++i){
        int cnt=g[x].size();
        for (int to : g[x]){
            int s = Query(x,to,i);
            if (s == x){
                cnt--;
                continue;
            }
            if (s == to){
                x = s;
                i--;
                break;
            }
            else {
                g[x].erase(to);
                g[to].erase(x);
                g[x].insert(i);
                g[to].insert(i);
                g[i].insert(to);
                g[i].insert(x);
                break;
            }
            cnt--;
        }
        if (cnt == 0){
            g[x].insert(i);
            g[i].insert(x);
        }
    }
    dfs(0,-1);
    ret ;


}

컴파일 시 표준 에러 (stderr) 메시지

meetings.cpp: In function 'void Solve(int)':
meetings.cpp:33:30: warning: unused variable 'j' [-Wunused-variable]
   33 |     int x = Query(0, 1, 2),i,j,y=1;
      |                              ^
meetings.cpp:33:32: warning: unused variable 'y' [-Wunused-variable]
   33 |     int x = Query(0, 1, 2),i,j,y=1;
      |                                ^

• Subtask 1: 0 / 7
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 71