제출 #713042

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
713042		lam	동굴 (IOI13_cave)	C++14	0 / 100	2 ms	596 KiB

cave

#include <bits/stdc++.h>
#include "cave.h"
using namespace std;
int n;
int dau[5010],s[5010],d[5010];
vector <int> tmp;
void exploreCave(int N) {
    /* ... */
    n=N;
    for (int i=0; i<n; i++) dau[i]=0;
    for (int it=0; it<n; it++)
    {
        int temp = tryCombination(dau);
        if (temp > it || temp==-1)
        {
            for (int i:tmp) dau[i] ^= 1;
            temp = tryCombination(dau);
        }
        int l = 0; int r=tmp.size()-1;
        while (l<r)
        {
            int mid=(l+r)/2;
            for (int i=0; i<=mid; i++) dau[tmp[i]]^=1;
            int val = tryCombination(dau);
            for (int i=0; i<=mid; i++) dau[tmp[i]]^=1;
            if (val>it||val==-1) r=mid;
            else l=mid+1;
        }
        d[it] = tmp[r];
        dau[d[it]] ^= 1;
        for (int i=r+1; i<tmp.size(); i++) swap(tmp[i],tmp[i-1]);
        tmp.pop_back();
    }
    answer(dau,d);
}

컴파일 시 표준 에러 (stderr) 메시지

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |         for (int i=r+1; i<tmp.size(); i++) swap(tmp[i],tmp[i-1]);
      |                         ~^~~~~~~~~~~

• Subtask 1: 0 / 12
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