제출 #52053

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
52053		someone_aa	ICC (CEOI16_icc)	C++17	90 / 100	161 ms	852 KiB

icc

#include <bits/stdc++.h>
#include "icc.h"
using namespace std;

const int maxn = 110;
int parent[maxn];

vector<int>comps[maxn];

/*bool query(int a, int b, int aa[], int bb[]) {
    for(int i=0;i<a;i++) {
        cout<<aa[i]<<" ";
    } cout<<"\n";
    for(int i=0;i<b;i++) {
        cout<<bb[i]<<" ";
    } cout<<"\n";

    bool answ;
    cin>>answ;
    return answ;
}

void setRoad(int x, int y) {
    cout<<"Road: "<<x<<" "<<y<<"\n";
}*/

int uroot(int x) {
    while(x != parent[x]) x = parent[x];
    return x;
}

void unite(int x, int y) {
    x = uroot(x);
    y = uroot(y);

    if(x==y) return;
    for(int i:comps[x]) {
        comps[y].push_back(i);
    }
    parent[x] = y;
}

bool qq(set<int>a, set<int> b) {
    int aa[a.size()], bb[b.size()];
    int br = 0;
    for(int i:a) aa[br++] = i;
    br = 0;
    for(int i:b) bb[br++] = i;
    return query(a.size(), b.size(), aa, bb);
}

int bin(set<int>a, set<int>b) {
    if(b.size() == 1) {
        return (*(b.begin()));
    }
    set<int>x;
    int br = 0;
    int li = 0, ri = b.size() - 1;

    vector<int>v;
    for(int i:b) v.push_back(i);

    while(li < ri) {
        int mid = (li+ri)/2;
        for(int i=li;i<=mid;i++) {
            x.insert(v[i]);
        }
        if(qq(a, x)) ri = mid;
        else li = mid + 1;
        x.clear();
    }
    return v[li];
}

void run(int n) {
    set<int>c;

    for(int i=1;i<=n;i++) {
        parent[i] = i;
        comps[i].push_back(i);
    }

    for(int edges=1;edges<n;edges++) {
        for(int i=1;i<=n;i++) {
            c.insert(uroot(i));
        }

        bool found = false;
        for(int i=0;i<=6;i++) {
            if(!found) {
                set<int>a, b;
                for(int j:c) {
                    if(j&(1<<i)) for(int k:comps[j]) a.insert(k);
                    else for(int k:comps[j]) b.insert(k);
                }
                if(a.size() > 0 && b.size() > 0) {
                    if(qq(a, b)) {
                        int x = bin(a, b);
                        int y = bin(b, a);
                        setRoad(x, y);
                        unite(x, y);
                        found = true;
                    }
                }
            }
        }
        c.clear();
    }
}

/*int main() {
    run(4);
    return 0;
}*/

컴파일 시 표준 에러 (stderr) 메시지

icc.cpp: In function 'int bin(std::set<int>, std::set<int>)':
icc.cpp:57:9: warning: unused variable 'br' [-Wunused-variable]
     int br = 0;
         ^~

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 22 / 22
• Subtask 4: 21 / 21
• Subtask 5: 29 / 29
• Subtask 6: 0 / 10