제출 #458218

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
458218		cpp219	Toys (CEOI18_toy)	C++14	0 / 100	169 ms	262148 KiB

toy

#pragma GCC optimization O2
#pragma GCC optimization "unroll-loop"
#pragma target ("avx2")

#include <bits/stdc++.h>
#define ll int
#define ld long double
#define fs first
#define sc second
using namespace std;
typedef pair<ll,ll> LL;
const ll N = 1e5 + 9;
const ll Log2 = 21;
const ll inf = 1e9 + 7;

set<ll> s;
map<LL,ll> mp;
vector<ll> uoc;
ll n;

void f(ll rm,ll mn,ll sum){
    s.insert(sum + rm - 1);
    for (ll i = 0;i < uoc.size();i++){
        ll now = uoc[i];
        if (now > rm/now) break;
        if (rm % now == 0) f(rm/now,i,sum + now - 1);
    }
}

int main(){
    ios_base::sync_with_stdio(NULL); cin.tie(0); cout.tie(0);
    #define task "tst"
    if (fopen(task".INP","r")){
        freopen(task".INP","r",stdin);
        //freopen(task".OUT","w",stdout);
    }
    cin>>n; uoc.push_back(n);
    for (ll i = 2;i <= n/i;i++){
        if (n%i == 0){
            uoc.push_back(i);
            if (n/i != i) uoc.push_back(n/i);
        }
    }
    sort(uoc.begin(),uoc.end()); f(n,0,0);
    cout<<s.size()<<"\n";
    for (auto i : s) cout<<i<< " ";
}

컴파일 시 표준 에러 (stderr) 메시지

toy.cpp:1: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    1 | #pragma GCC optimization O2
      | 
toy.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
toy.cpp:3: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    3 | #pragma target ("avx2")
      | 
toy.cpp: In function 'void f(int, int, int)':
toy.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (ll i = 0;i < uoc.size();i++){
      |                   ~~^~~~~~~~~~~~
toy.cpp: In function 'int main()':
toy.cpp:34:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |         freopen(task".INP","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21