제출 #225914

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
225914		erd1	Park (JOI17_park)	C++14	10 / 100	80 ms	632 KiB

park

#include "park.h"
#include<bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define pb push_back
using namespace std;

template<typename Iter>
ostream& outIt(ostream& out, Iter b, Iter e){
    for(Iter i = b; i != e; i++)
        out << (i == b?"":" ") << *i;
    return out;
}

template<typename T>
ostream& operator<<(ostream& out, vector<T>& v){
    return outIt(out << '[', all(v)) << ']';
}

static int Place[1400];

int ran(){
    static int x = 10292837;
    return (x*0xdefaced+1)&INT_MAX;
}

bool ask(int l, int r){
    //cout << l << " " << r << endl;
    return Ask(min(l, r), max(l, r), Place);
}

void answer(int l, int r){
    Answer(min(l, r), max(l, r));
}

void Sort(int l, int r, vector<int>& v){
    //cout << l << " " <<r << " " << v<< endl;
    if(v.size() == 0) return;
    int pivot = v[ran()%v.size()];
    for(auto i: v)Place[i] = 1; Place[l] = Place[r] = 1;
    vector<int> R, L;
    for(auto i: v)
        if(i != pivot)
            Place[i] = 0, (ask(l, pivot)?R:L).pb(i), Place[i] = 1;
    for(auto i: v)Place[i] = 0; Place[l] = Place[r] = 0;
    Sort(l, pivot, L); Sort(pivot, r, R);
    auto st = copy(all(L), v.begin());
    *st = pivot;
    copy(all(R), next(st));
}
vector<int> v;
void Detect(int T, int N) {
    if(T == 2){
        v.resize(N-2);
        iota(all(v), 1);
        Sort(0, N-1, v);
        v.insert(v.begin(), 0);
        v.pb(N-1);
        //cout << v << endl;
        for(int i = 1; i < N; i++)answer(v[i-1], v[i]);
    }
}

컴파일 시 표준 에러 (stderr) 메시지

park.cpp: In function 'void Sort(int, int, std::vector<int>&)':
park.cpp:39:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(auto i: v)Place[i] = 1; Place[l] = Place[r] = 1;
     ^~~
park.cpp:39:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
     for(auto i: v)Place[i] = 1; Place[l] = Place[r] = 1;
                                 ^~~~~
park.cpp:44:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(auto i: v)Place[i] = 0; Place[l] = Place[r] = 0;
     ^~~
park.cpp:44:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
     for(auto i: v)Place[i] = 0; Place[l] = Place[r] = 0;
                                 ^~~~~

• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 27
• Subtask 4: 0 / 30
• Subtask 5: 0 / 23