Submission #463544

#	Time	Username	Problem	Language	Result	Execution time	Memory
463544		fuad27	Toys (CEOI18_toy)	C++14	100 / 100	597 ms	4296 KiB

toy

#include<bits/stdc++.h>
using namespace std;
#pragma GCC optmize("O3")
typedef int ll;
typedef long double ld;
#define vii vector<pair<int, int>>
#define vi vector<int>
#define vl vector<long long>
#define vll vector<pair<long long, long long>>
#define mp make_pair
#define pb push_back
#define rep(i, a, b) for(int i = a;i<=b;i++)
#define f first
#define s second
#define FIO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define start int tt;cin>>tt;rep(testcase, 1, tt)
#define print(k) cout<<"Case #"<<testcase<<": "<<k<<"\n";
#define endl "\n"
set<ll> ans;
void solve(ll n, ll k, ll sum) {
	ans.insert(sum + n -1);
	for(int i = k;i*i<= n;i++) {
		if(n%i == 0) {
			solve(n/i, i, sum + i -1);
		}
	}
}
int main () {
	//FIO;
	/*#ifndef ONLINE_JUDGE
	freopen("stdin", "r", stdin);
	freopen("stdout", "w", stdout);
	freopen("stderr", "w", stderr);
	#endif*/
	int n;
	scanf("%d", &n);
	solve(n, 2, 0);
	printf("%d\n", int(ans.size()));
	for(int i:ans) {
		printf("%d ", i);
	}
  	return 0;
}
// :"D

Compilation message (stderr)

toy.cpp:3: warning: ignoring '#pragma GCC optmize' [-Wunknown-pragmas]
    3 | #pragma GCC optmize("O3")
      | 
toy.cpp: In function 'int main()':
toy.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~

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