Submission #964659

#	Time	Username	Problem	Language	Result	Execution time	Memory
964659		marinaluca	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

#include "cave.h"
#include <bits/stdc++.h>

#pragma GCC optimize ("O4")
#pragma GCC optimize ("fast-math")
#pragma GCC optimize ("unroll-loops")

using namespace std;
/**
#define int long long
#define ll long long
#define all (x) begin(x), end(x)
#define xx first
#define yy second
#define cin fin
#define cout fout
typedef db double;
typedef ldb long double;
typedef vii vector <int>;
typedef pii pair <int, int>;
typedef pai pair <double, double>;
ifstream cin ("cave.in");
ofstream cout ("cave.out");
**/

const int NMAX = 5e3;
int n;
int usa[NMAX + 1];
int sus[NMAX + 1];

void intoarce (int val){
    for (int i = 0; i <= val; ++ i){
        if (usa[i] == -1)
            sus[i] ^= 1;
    }
}

void init (){
    for (int i = 0; i < n; ++ i){
        usa[i] = -1;
        sus[i] = 0;
    }
}

bool solve (int k, int poz){
    intoarce(k);
    int rez = tryCombination(sus);
    intoarce (k);
    return rez == poz;
}
void exploreCave (int N){
    n = N;
    init();
    for (int i = 0; i < n; ++ i){
        int cur = tryCombination(sus);
        if (cur == i){
            intoarce (n - 1);
        }
        int st = 0;
        int dr = n - 1;
        int Answer = -1;
        int mijl;
        while (st <= dr){
            mijl = (st + dr) >> 1;
            if (solve(mijl, i)){
                Answer = mijl;
                dr = mijl - 1;
            }
            else
                st = mijl + 1;
        }
        usa[Answer] = i;
    }
    answer (sus, usa);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccn3Lbu6.o: in function `init()':
cave.cpp:(.text+0x190): multiple definition of `init()'; /tmp/ccSxP3S2.o:grader.c:(.text+0x110): first defined here
collect2: error: ld returned 1 exit status