Submission #648860

#	Time	Username	Problem	Language	Result	Execution time	Memory
648860		JANCARAPAN	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>
using namespace std;

int tryCombination(vector<int> &a);
void answer(vector<int> &a, vector<int> &b);


void exploreCave(int n) {
    vector<int> pos(n), con(n);

    for (int i=0; i<n; i++) {
        // per a cada porta faig bs dels interruptors
        int l = i, r = n + 1;
        bool on = 1;
        while (r - l > 1) {
            int m = (l + r) / 2;
            bool can = 0;
            if (tryCombination(pos) == i) {
                on = 0;
                can = 1;
            }
            for (int j=i; j<m; j++) {
                pos[j] = 1;
            }
            if (tryCombination(pos) == i) {
                on = 1;
                can = 1;
            }

            if (can) {
                r = m;
            } else {
                l = r;
            }
        }
        pos[i] = on;
        con[i] = r;
    }

    answer(pos, con);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccoI5y9r.o: in function `exploreCave':
cave.cpp:(.text+0x156): undefined reference to `tryCombination(std::vector<int, std::allocator<int> >&)'
/usr/bin/ld: cave.cpp:(.text+0x1ac): undefined reference to `tryCombination(std::vector<int, std::allocator<int> >&)'
/usr/bin/ld: cave.cpp:(.text+0x20a): undefined reference to `answer(std::vector<int, std::allocator<int> >&, std::vector<int, std::allocator<int> >&)'
collect2: error: ld returned 1 exit status