Submission #235305

#	Time	Username	Problem	Language	Result	Execution time	Memory
235305		pere_gil	Cave (IOI13_cave)	C++14	0 / 100	6 ms	512 KiB

cave

#include <iostream>
#include "cave.h"
using namespace std;

void exploreCave(int n)
{
    ///da 25pts
    /*
    int D[N],S[N];
    for(int i=0;i<N;i++){ S[i]=0; }

    if(tryCombination(S)==-1){
    for(int i=0;i<N;i++){
        S[i]=1;
        D[i]=tryCombination(S);
        S[i]=0;
    }
    }

    else{
    for(int i=0;i<N;i++){
        D[i]=i;
        if(tryCombination(S)==i) S[i]=1;
    }
    }

    answer(S,D);
    */
    ///fuerza bruta
    int s[n],d[n],sw[n];
    for(int i=0;i<n;i++){ sw[i]=-2; }

    for(int i=0;i<n-1;i++){
        for(int j=0;j<n;j++){
            sw[j]=0;
            if(tryCombination(sw)==i+1){ s[j]=0; d[i]=j; }
            else{
                sw[j]=1;
                if(tryCombination(sw)==i+1){ s[j]=1; d[i]=j; }
                else sw[j]=-2;
            }
        }
    }
    int ja;
    for(int i=0;i<n;i++){ if(sw[i]==-2){ ja=i; } }
    s[ja]=0;
    if(tryCombination(s)==-1) answer(s,d);
    else{ s[ja]=1; answer(s,d); }
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:44:9: warning: 'ja' may be used uninitialized in this function [-Wmaybe-uninitialized]
     int ja;
         ^~

• Subtask 1: 0 / 12
• Subtask 2: 0 / 13
• Subtask 3: 0 / 21
• Subtask 4: 0 / 30
• Subtask 5: 0 / 24