Submission #267059

#	Time	Username	Problem	Language	Result	Execution time	Memory
267059		bigg	Toys (CEOI18_toy)	C++14	100 / 100	711 ms	4476 KiB

toy

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
set<ll> resp;

void backtrack(ll soma, ll qualfat, ll n ){
	resp.insert(soma + n - 1);
	for(int fat = qualfat; fat * fat <= n; fat++){
		if(!(n%fat)){
			backtrack(soma + fat -1, fat, n/fat);
		}
	}
}
ll n;
int main(){
	scanf("%lld", &n);
	backtrack(0, 2, n);
	printf("%lu\n", resp.size());
	for(set<ll> :: iterator it = resp.begin(); it != resp.end(); it++){
		printf("%lld ", *it);
	}
	printf("\n");
}

Compilation message (stderr)

toy.cpp: In function 'int main()':
toy.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  scanf("%lld", &n);
      |  ~~~~~^~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 21 / 21