Submission #985309

#	Time	Username	Problem	Language	Result	Execution time	Memory
985309		SzymonKrzywda	Cave (IOI13_cave)	C++17	Compilation error	0 ms	0 KiB

cave

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


int tryCombination(int S[]);

void answer(int S[],int D[]);

void exploreCave(int N){
    int S[N];
    //int S_2[N];
    // 0 0 0 0 0
    // 1 1 1 1 1
    // 1 1 1 1 0

    //1110
    //3102
    int D_1[N];
    int D_2[N];
    for (int i=0; i<N; i++) D_2[i] = 1;
    bool good[N];
    int D[N];
    int w = 0,akt=0,w_2=0;
    while (w != -1){
        if (akt == 0){
            w = tryCombination(D_1);
            if (w == -1) D=D_1;
            for (int i=0; i<N; i++){
                if (!good[i]){
                    D_1[i] = 1;
                    w_2 = tryCombination(D_1);
                    if (w_2 < w){
                        D_2[i] = 0;
                        D_1[i] = 0;
                        good[i] = true;
                    }
                    else if(w_2 > w){
                        good[i] = true;
                    }
                    else D_1[i] = 0;
                }
            }
        }
        else{
            w = tryCombination(D_2);
            if (w == -1) D=D_2;
            for (int i=0; i<N; i++){
                if (!good[i]){
                    D_2[i] = 0;
                    w_2 = tryCombination(D_2);
                    if (w_2 < w){
                        D_2[i] = 1;
                        D_1[i] = 1;
                        good[i] = true;
                    }
                    else if(w_2 > w){
                        good[i] = true;
                    }
                    else D_1[i] = 1;
                }
            }
        }
        akt = (akt+1)%2;
    }
    
    for (int i=0; i<N; i++){
        S[i] = (S[i]+1)%2;
        D[i] = tryCombination(S);
        S[i] = (S[i]+1)%2;
    }
    
    answer(S,D);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:28:27: error: invalid array assignment
   28 |             if (w == -1) D=D_1;
      |                          ~^~~~
cave.cpp:47:27: error: invalid array assignment
   47 |             if (w == -1) D=D_2;
      |                          ~^~~~