Submission #985330

#	Time	Username	Problem	Language	Result	Execution time	Memory
985330		SzymonKrzywda	Cave (IOI13_cave)	C++17	0 / 100	21 ms	572 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 D[N];
    //int S_2[N];
    // 0 0 0 0 0
    // 1 1 1 1 1
    // 1 1 1 1 0

    //1110
    //3102
    int S_1[N];
    int S_2[N];
    for (int i=0; i<N; i++) S_2[i] = 1;
    bool good[N];
    int do_zmiany[N];
    for (int i=0; i<N; i++) do_zmiany[i] = -1;
    int w = 0,akt=0,w_2=0,ktory=0;
    while (w != -1){
        if (akt == 0){
            w = tryCombination(S_1);
            if (w == -1){
                ktory = 0;
                break;
            }
            for (int i=0; i<N; i++){
                if (!good[i]){
                    S_1[i] = 1;
                    w_2 = tryCombination(S_1);
                    if (w_2 == -1){
                        w = -1;
                        ktory = 0;
                        break;
                    }
                    if (w_2 < w){
                        S_2[i] = 0;
                        S_1[i] = 0;
                        good[i] = true;
                        D[i] = w_2;
                        w = tryCombination(S_1);

                    }
                    else if(w_2 > w){
                        good[i] = true;
                        D[i] = w;
                        w = w_2;
                    }
                    else S_1[i] = 0;
                }
            }
        }
        else{
            w = tryCombination(S_2);
            if (w == -1){
                ktory = 1;
                break;
            }
            for (int i=0; i<N; i++){
                if (!good[i]){
                    S_2[i] = 0;
                    w_2 = tryCombination(S_2);
                    if (w_2 == -1){
                        w = -1;
                        ktory = 1;
                        break;
                    }
                    if (w_2 < w){
                        S_2[i] = 1;
                        S_1[i] = 1;
                        good[i] = true;
                        D[i] = w_2;
                        w = tryCombination(S_2);
 
                    }
                    else if(w_2 > w){
                        good[i] = true;
                        D[i] = w;
                        w = w_2;
                    }
                    else S_2[i] = 1;
                }
            }
        }
        akt = (akt+1)%2;
        //cout << good[0] << endl;
        //cout << w << endl;
        //cout << "GOOD: ";
        //for (int i=0; i<N; i++) cout << good[i] << " ";
        //cout << endl;
    }
    if (ktory == 0){
        for (int i=0; i<N; i++){
            S_1[i] = (S_1[i]+1)%2;
            if (!good[i]){
                D[i] = tryCombination(S_1);
            }
            S_1[i] = (S_1[i]+1)%2;
        }
        answer(S_1,D);
    }
    else{
        for (int i=0; i<N; i++){
            S_2[i] = (S_2[i]+1)%2;
            if (!good[i]){
                D[i] = tryCombination(S_2);
            }
            S_2[i] = (S_2[i]+1)%2;
        }
        answer(S_2,D);
    }

}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:24:9: warning: variable 'do_zmiany' set but not used [-Wunused-but-set-variable]
   24 |     int do_zmiany[N];
      |         ^~~~~~~~~

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