Submission #21130

#	Time	Username	Problem	Language	Result	Execution time	Memory
21130		khsoo01	Broken Device (JOI17_broken_device)	C++11	85 / 100	65 ms	3736 KiB

Anna

#include "Annalib.h"
#include <bits/stdc++.h>
using namespace std;
bool cant[155];

void Anna( int N, long long X, int K, int P[] ){
	for(int i=0;i<N;i++) cant[i] = false;
	for(int i=0;i<K;i++) cant[P[i]] = true;
	vector<int> tri;
	long long T = X;
	for(int i=0;i<38;i++) {
		tri.push_back(T%3+1);
		T /= 3;
	}
	reverse(tri.begin(), tri.end());
	int idx = 0;
	for(int i=0;i<N;i+=2) {
		if(cant[i] || cant[i+1] || idx >= tri.size()) {
			Set(i, 0); Set(i+1, 0);
		}
		else {
			Set(i, tri[idx]/2); Set(i+1, tri[idx]%2);
			idx++;
		}
	}
}

Bruno

#include "Brunolib.h"

long long Bruno( int N, int A[] ){
	long long ret = 0;
	for(int i=0;i<N;i+=2) {
		int cur = A[i] * 2 + A[i+1];
		if(!cur) continue;
		ret *= 3; ret += cur-1;
	}
	return ret;
}

Compilation message (stderr)

Anna.cpp: In function 'void Anna(int, long long int, int, int*)':
Anna.cpp:18:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(cant[i] || cant[i+1] || idx >= tri.size()) {
                                  ^

• Subtask 1: 85 / 100