Submission #444721

#	Time	Username	Problem	Language	Result	Execution time	Memory
444721		definitelynotmee	Toys (CEOI18_toy)	C++98	100 / 100	629 ms	4292 KiB

toy

//not my code    
#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:17:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |      scanf("%lld", &n);
      |      ~~~~~^~~~~~~~~~~~

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