Submission #370573

#	Time	Username	Problem	Language	Result	Execution time	Memory
370573		Fysty	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include <bits/stdc++.h>
//#include "cave.h"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<n;i++)
#define F first
#define S second
#define pb push_back
//int tryCombination(vector<int> S);
//void answer(vector<int> S,vector<int> D);
bool vis[5005];
void exploreCave(int N)
{
    int n=N;
    ll a[n],tmp[n],tmp2[n],s[n],d[n];
    rep(i,n) a[i]=0;
    rep(i,n)
    {
        bool x=0;
        if(tryCombination(a)==i) x=1;
        vector<int> pos;
        rep(i,n) tmp[i]=a[i];
        if(x)
        {
            rep(i,n) if(!vis[i]) tmp[i]=1;
        }
        rep(i,n) if(!vis[i]) pos.pb(i);
        int l=0,r=pos.size()-1;
        while(l<r)
        {
            int mid=l+r>>1;
            rep(i,n) tmp2[i]=tmp[i];
            for(int j=l;j<=mid;j++)
            {
                if(x) tmp2[pos[j]]=0;
                else tmp2[pos[j]]=1;
            }
            if(tryCombination(tmp2)==i) r=mid;
            else l=mid+1;
        }
        vis[l]=1;
        s[l]=x;
        d[l]=i;
        a[l]=s[l];
    }
    answer(s,d);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:22:12: error: 'tryCombination' was not declared in this scope
   22 |         if(tryCombination(a)==i) x=1;
      |            ^~~~~~~~~~~~~~
cave.cpp:33:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   33 |             int mid=l+r>>1;
      |                     ~^~
cave.cpp:40:16: error: 'tryCombination' was not declared in this scope
   40 |             if(tryCombination(tmp2)==i) r=mid;
      |                ^~~~~~~~~~~~~~
cave.cpp:48:5: error: 'answer' was not declared in this scope
   48 |     answer(s,d);
      |     ^~~~~~