Submission #1197202

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197202		SpyrosAliv	Cave (IOI13_cave)	C++20	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) {
    int n = N;
    int corr[n], rep[n];
    for (int i = 0; i < n; i++) {
        corr[i] = rep[i] = -1;
    }
    int nxtQ[n];
    for (int j = 0; j < n; j++) {
        nxtQ[j] = 0;
    }
    for (int i = 0; i < n; i++) {
        bool closed = (tryCombination(nxtQ) == i);
        int lo = 0, hi = n-1;
        int finIdx = 0;
        while (lo <= hi) {
            int mid = (lo + hi);
            int nxt[n];
            for (int j = 0; j < n; j++) nxt[j] = nxtQ[j];
            for (int j = 0; j <= mid; j++) {
                if (corr[j] == -1) nxt[j] = 1;
            }
            bool c2 = (tryCombination(nxtQ) == i);
            if (c2 == closed) {
                hi = mid-1;
            }
            else {
                lo = mid+1;
                finIdx = mid;
            }
        }
        rep[i] = finIdx;
        if (closed) corr[i] = 1;
        else corr[i] = 0;
        nxtQ[rep[i]] = corr[i];
    }
    answer(rep, corr);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccUXJbNi.o: in function `exploreCave(int)':
cave.cpp:(.text+0x194): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x24b): undefined reference to `tryCombination(int*)'
/usr/bin/ld: cave.cpp:(.text+0x2af): undefined reference to `answer(int*, int*)'
/usr/bin/ld: /tmp/cc97fGBw.o: in function `main':
grader.c:(.text.startup+0x10): undefined reference to `exploreCave'
collect2: error: ld returned 1 exit status