Submission #972087

#	Time	Username	Problem	Language	Result	Execution time	Memory
972087		tamir1	Cave (IOI13_cave)	C++17	25 / 100	9 ms	568 KiB

cave

#include "cave.h"
#include<iostream>
using namespace std;
int S[5000],D[5000];
void exploreCave(int N) {
	int i,n;
	if(N<=100){
		while(tryCombination(S)!=-1){
			int x=tryCombination(S);
			for(i=0;i<N;i++){
				if(S[i]==1) continue;
				S[i]=1-S[i];
				int y=tryCombination(S);
				if(y==-1) break;
				if(y<x) S[i]=1-S[i];
			}
		}
	}
	if(tryCombination(S)==-1){
		for(i=0;i<N;i++){
			S[i]=1-S[i];
			int x=tryCombination(S);
			S[i]=1-S[i];
			D[i]=x;
		}
		answer(S,D);
	}
	for(i=0;i<N;i++) D[i]=i;
	for(i=0;i<N;i++){
		int x=tryCombination(S);
		if(x==-1) break;
		S[x]=1;
	}
    answer(S,D);
}

Compilation message (stderr)

cave.cpp: In function 'void exploreCave(int)':
cave.cpp:6:8: warning: unused variable 'n' [-Wunused-variable]
    6 |  int i,n;
      |        ^

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