Submission #267058

#	Time	Username	Problem	Language	Result	Execution time	Memory
267058		bigg	Triangles (CEOI18_tri)	C++14	0 / 100	1 ms	256 KiB

tri

#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)

tri.cpp: In function 'int main()':
tri.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: 0 / 15
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25