Submission #370570

#	Time	Username	Problem	Language	Result	Execution time	Memory
370570		Fysty	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include <bits/stdc++.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;
    vector<int> a(n,0),d(n),s(n);
    rep(i,n)
    {
        bool x=0;
        if(tryCombination(a)==i) x=1;
        vector<int> tmp=a,pos;
        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;
            vector<int> tmp2=tmp;
            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:30:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   30 |             int mid=l+r>>1;
      |                     ~^~
/tmp/ccYT4E9G.o: In function `exploreCave(int)':
cave.cpp:(.text+0x16a): undefined reference to `tryCombination(std::vector<int, std::allocator<int> >)'
cave.cpp:(.text+0x352): undefined reference to `tryCombination(std::vector<int, std::allocator<int> >)'
cave.cpp:(.text+0x514): undefined reference to `answer(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
/tmp/ccZ8vjoB.o: In function `main':
grader.c:(.text.startup+0xc): undefined reference to `exploreCave'
collect2: error: ld returned 1 exit status