Submission #996309

#	Time	Username	Problem	Language	Result	Execution time	Memory
996309		Rifal	Packing Biscuits (IOI20_biscuits)	C++14	0 / 100	806 ms	432 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
long long count_tastiness(long long x, std::vector<long long> a) {
	long long ans = 0;
	int siz = a.size();
	for(long long i = 0; i <= 100000; i++) {
		int cur[siz] = {};
		for(int j = 0; j < a.size(); j++) cur[j] = a[j];
		bool ok = true;
		for(long long j = 0; j < 20; j++) {
			if((i&(1ll<<j)) > 0) {
				if(j >= siz) {
					ok = false; break;
				}
				if(cur[j] >= x) {
					cur[j] -= x;
				}
				else {
					ok = false; break;
				}
			}
			if(!ok) break;
			if(j+1 < siz && cur[j] != 0) cur[j+1] += cur[j]/2;
		}
		if(ok) ans++;
	}
	return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:9:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |   for(int j = 0; j < a.size(); j++) cur[j] = a[j];
      |                  ~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23