Submission #593284

#	Time	Username	Problem	Language	Result	Execution time	Memory
593284		gortomi	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

#include <bits/stdc++.h>
using namespace std;
int tryCombination(int S[]);
void answer(int S[], int D[]);
void exploreCave(int n);
void exploreCave(int n)
{
    int position[n];
    for(int i = 0; i < n; i++) position[i] = -1;
    int guess[n];
    int ans[n];
    for(int i = 0; i < n; i++)
    {
        for(int j = 0; j < n; j++) guess[j] = position[j] == -1 ? 1 : position[j];
        int x = tryCombination(guess);
        if(x == -1) x = n;
        position[i] = x > i;
        int l = 0, r = n - 1;
        while(l != r)
        {
            int mid = (l + r) / 2;
            for(int j = l; j <= mid / 2; j++) guess[j] = position[j] == -1 ? position[i] : position[j];
            for(int j = mid + 1; j <= r; j++) guess[j] = position[j] == -1 ? 1 - position[i] : position[j];
            int x = tryCombination(guess);
            if(x == -1) x = n;
            if(x > i) r = mid;
            else l = mid + 1;
        }
        ans[l] = i;
        answer(position, ans);
    }
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccqeU6zE.o: in function `main':
grader.c:(.text.startup+0x10): undefined reference to `exploreCave'
/usr/bin/ld: /tmp/ccEcFEYA.o: in function `exploreCave(int)':
cave.cpp:(.text+0x121): undefined reference to `answer(int*, int*)'
/usr/bin/ld: cave.cpp:(.text+0x1cc): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x27a): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x2af): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x2f6): undefined reference to `answer(int*, int*)'
collect2: error: ld returned 1 exit status