제출 #283163

#제출 시각아이디문제언어결과실행 시간메모리
283163infinite_iqToys (CEOI18_toy)C++14
19 / 100
5046 ms416 KiB
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #include <bits/stdc++.h> using namespace std; #define sqr 340 #define mp make_pair #define mid (l+r)/2 #define le node * 2 #define ri node * 2 + 1 #define pb push_back #define ppb pop_back #define fi first #define se second #define lb lower_bound #define ub upper_bound #define ins insert #define era erase #define C continue #define mem(dp,i) memset(dp,i,sizeof(dp)) #define mset multiset #define all(x) x.begin(), x.end() #define gc getchar_unlocked typedef long long ll; typedef short int si; typedef long double ld; typedef pair<int,int> pi; typedef pair<ll,ll> pll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pi> vpi; typedef vector<pll> vpll; typedef pair<double,ll>pdi; const ll inf=1e18; const ll mod=998244353; const ld Pi=acos(-1) ; int n ; vi v ; int num [29] ; set < int > s ; void bt ( int pos , int k ) { if ( pos == v .size () ) { int ans = 0 ; for ( int i = 1 ; i <= k ; i ++ ) { ans += num [i] - 1 ; } s .ins ( ans ) ; return ; } for ( int i = 1 ; i <= k ; i ++ ) { num [i] *= v [pos] ; bt ( pos + 1 , k ) ; num [i] /= v [pos] ; } } int main () { cin >> n ; for ( int i = 2 ; i * i <= n ; i ++ ) { if ( n % i == 0 ) { while ( n % i == 0 ) { v .pb ( i ) ; n /= i ; } } } if ( n != 1 ) v .pb ( n ) ; for ( int i = 1 ; i <= v .size () ; i ++ ) num [i] = 1 ; bt ( 0 , v .size () ) ; cout << s.size () << endl ; for ( auto u : s ) cout << u << " " ; cout << endl ; }

컴파일 시 표준 에러 (stderr) 메시지

toy.cpp: In function 'void bt(int, int)':
toy.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         if ( pos == v .size () ) {
      |              ~~~~^~~~~~~~~~~~~
toy.cpp: In function 'int main()':
toy.cpp:65:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |   for ( int i = 1 ; i <= v .size () ; i ++ ) num [i] = 1 ;
      |                     ~~^~~~~~~~~~~~~
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