Submission #410800

#	Time	Username	Problem	Language	Result	Execution time	Memory
410800		AlexRex0	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

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

bool visitado[5002];
int posiciones[5002];
int S[5002];

int prueba(int ini, int n){
    for(int i = 0; i < n; ++i){
        if(!visitado[i]){
            S[i] = 0;
        }
    }
    if(tryCombination(S) >= ini){
        return 1;
    }
    return 2;
}

void bs(int tipo, int busco, int fin){
    int medio, ini = 0, res = -1;
    fin--;
    for(int i = 0; i <= fin; ++i){
        if(!visitado[i]){
            if(tipo == 2){
                S[i] = 1;
            }else{
                S[i] = 0;
            }
        }
    }
    while(ini <= fin){
        medio = (ini + fin) / 2;
        for(int i = medio + 1; i <= fin; ++i){
            if(!visitado[i]){
                if(tipo == 1){
                    S[i] = 1;
                }else{
                    S[i] = 0;
                }
            }
        }
        if(tryCombination(S) >= busco){
            res = medio;
            fin = medio - 1;
        }else{
            for(int i = ini; i <= medio; ++i){
                if(!visitado[i]){
                    if(tipo == 1){
                        S[i] = 0;
                    }else{
                        S[i] = 1;
                    }
                }
            }
            ini = medio + 1;
        }
    }
    visitado[res] = true;
    if(tipo == 1){
        S[res] = 0;
    }else{
        S[res] = 1;
    }
    posiciones[res] = busco;
}

void exploreCave(int N) {
    for(int i = 0; i < N; ++i){
        int aux = prueba(i, N);
        bs(aux, i, N);
    }
    answer(S, posiciones);
}

Compilation message (stderr)

cave.cpp:3:20: error: expected ';' before ':' token
    3 | using namespace std:
      |                    ^
      |                    ;
cave.cpp:3:20: error: expected unqualified-id before ':' token
cave.cpp: In function 'int prueba(int, int)':
cave.cpp:11:13: error: 'visitado' was not declared in this scope
   11 |         if(!visitado[i]){
      |             ^~~~~~~~
cave.cpp: In function 'void bs(int, int, int)':
cave.cpp:25:13: error: 'visitado' was not declared in this scope
   25 |         if(!visitado[i]){
      |             ^~~~~~~~
cave.cpp:36:17: error: 'visitado' was not declared in this scope
   36 |             if(!visitado[i]){
      |                 ^~~~~~~~
cave.cpp:49:21: error: 'visitado' was not declared in this scope
   49 |                 if(!visitado[i]){
      |                     ^~~~~~~~
cave.cpp:60:5: error: 'visitado' was not declared in this scope
   60 |     visitado[res] = true;
      |     ^~~~~~~~