Submission #68585

#	Time	Username	Problem	Language	Result	Execution time	Memory
68585		aome	Zalmoxis (BOI18_zalmoxis)	C++17	65 / 100	1098 ms	46508 KiB

zalmoxis

#include <bits/stdc++.h>

using namespace std;

vector<int> vres, vcur, vadd;

void add() {
	int tmp = vcur.back();
	vadd.push_back(vres.size());
	vres.push_back(tmp);
	++tmp;
	vcur.pop_back();
	while (vcur.size() && vcur.back() == tmp) {
		vcur.pop_back(), tmp++;
	}
	vcur.push_back(tmp);	
}

void cal(int val, int need) {
	if (need == 1) {
		printf("%d ", val); return;
	}
	int tmp = min(need - 1, (1 << (val - 2)));
	cal(val - 1, tmp), cal(val - 1, need - tmp);
}

int main() {
	int n, m, x;
	scanf("%d %d %d", &n, &m, &x);
	vres.push_back(x), vcur.push_back(x);
	for (int i = 1; i < n; ++i) {
		scanf("%d", &x);
		if (vcur.back() > x) {
			vres.push_back(x), vcur.push_back(x);
		}
		else {
			while (vcur.back() < x) add();
			if (vcur.back() > x) {
				vres.push_back(x), vcur.push_back(x);
			}
			else {
				vres.push_back(x);
				++x;
				vcur.pop_back();
				while (vcur.size() && vcur.back() == x) {
					vcur.pop_back(), x++;
				}
				vcur.push_back(x);
			}
		}
	}
	while (vcur.back() != 30) add();
	int ptr = 0;
	for (int i = 0; i < vres.size(); ++i) {
		if (ptr < vadd.size() && vadd[ptr] == i) {
			++ptr;
			int tmp = min(m - ((int)vadd.size() - ptr), 1 << (vres[i] - 1));
			m -= tmp;
			cal(vres[i], tmp);
		}
		else printf("%d ", vres[i]);
	}
}

Compilation message (stderr)

zalmoxis.cpp: In function 'int main()':
zalmoxis.cpp:54:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < vres.size(); ++i) {
                  ~~^~~~~~~~~~~~~
zalmoxis.cpp:55:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (ptr < vadd.size() && vadd[ptr] == i) {
       ~~~~^~~~~~~~~~~~~
zalmoxis.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &m, &x);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
zalmoxis.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 35 / 70