답안 #501833

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
501833 2022-01-04T16:17:22 Z Carmel_Ab1 Money (IZhO17_money) C++17
25 / 100
832 ms 312 KB
/*
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
 */
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//using namespace __gnu_pbds;
using namespace std;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
typedef vector<pi> vpi;

//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}

#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define outfl(x){cout << x << endl;return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map

template<typename T1, typename T2> istream& operator>>(istream& is, pair<T1, T2>& p){is >> p.first >> p.second;return is;}
template<typename T1, typename T2> ostream& operator<<(ostream& os, pair<T1, T2>& p){os <<"" << p.first << " " << p.second << ""; return os;}
void usaco(string taskname){
    string fin = taskname + ".in";
    string fout = taskname + ".out";
    const char* FIN = fin.c_str();
    const char* FOUT = fout.c_str();
    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);
}
template<typename T>
void read(vector<T>& v){
    int n=v.size();
    for(int i=0; i<n; i++)
        cin >> v[i];
}
template<typename T>
vector<T>UNQ(vector<T>a){
    vector<T>ans;
    for(T t:a)
        if(ans.empty() || t!=ans.back())
            ans.push_back(t);
    return ans;
}



void solve();
int main(){
    GLHF;
    int t=1;
    //cin >> t;
    while(t--)
        solve();
}
bool ok(vi b,int l,int r){
    for(int i=0; i+1<b.size(); i++)
        if(b[i]<=l && r<=b[i+1])return 1;
    return 0;
}
void solve() {
    int n;
    cin >> n;
    vi a(n);
    read(a);

    if(is_sorted(all(a)))out(0)

    int ans=1e9;

    for(int i=1; i<(1<<(n)); i++){
        vvi b={{}};
        for(int j=0; j<n; j++){
            if(i&(1<<j)){
                b.back().pb(a[j]);
                b.pb({});
            }
            else{
                b.back().pb(a[j]);
            }
        }

        if(!b.back().size())
            b.pop_back();
        bool okk=1;
        for(int i=0; i<b.size(); i++)
            okk&=(is_sorted(all(b[i])));
        if(!okk)continue;

        vi prv={int(-1e9),int(1e9)};

        for(int x:b[0])
            prv.pb(x);
        sort(all(prv));
        for(int i=1;okk && i<b.size(); i++){
            int l=*min_element(all(b[i])),r=*max_element(all(b[i]));
            bool has=0;
            for(int j=0;!has && j+1<prv.size(); j++){
                if((prv[j]<=l && r<=prv[j+1]))
                    has=1;
            }
            if(!has)
                okk=0;
            for(int x:b[i])
                prv.pb(x);
            sort(all(prv));
        }

        if(okk)
            ans=min(ans,__builtin_popcount(i));
    }
    out(ans+1)
}
/*
 6
 3 6 4 5 1 2
 */

Compilation message

money.cpp: In function 'bool ok(vi, int, int)':
money.cpp:76:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |     for(int i=0; i+1<b.size(); i++)
      |                  ~~~^~~~~~~~~
money.cpp: In function 'void solve()':
money.cpp:105:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  105 |         for(int i=0; i<b.size(); i++)
      |                      ~^~~~~~~~~
money.cpp:114:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  114 |         for(int i=1;okk && i<b.size(); i++){
      |                            ~^~~~~~~~~
money.cpp:117:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |             for(int j=0;!has && j+1<prv.size(); j++){
      |                                 ~~~^~~~~~~~~~~
money.cpp: In function 'void usaco(std::string)':
money.cpp:47:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |     freopen(FIN, "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~
money.cpp:48:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     freopen(FOUT, "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 30 ms 292 KB Output is correct
18 Correct 9 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 808 ms 204 KB Output is correct
21 Correct 828 ms 296 KB Output is correct
22 Correct 827 ms 312 KB Output is correct
23 Correct 832 ms 296 KB Output is correct
24 Correct 800 ms 204 KB Output is correct
25 Correct 803 ms 304 KB Output is correct
26 Correct 804 ms 292 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 30 ms 292 KB Output is correct
18 Correct 9 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 808 ms 204 KB Output is correct
21 Correct 828 ms 296 KB Output is correct
22 Correct 827 ms 312 KB Output is correct
23 Correct 832 ms 296 KB Output is correct
24 Correct 800 ms 204 KB Output is correct
25 Correct 803 ms 304 KB Output is correct
26 Correct 804 ms 292 KB Output is correct
27 Incorrect 2 ms 204 KB Output isn't correct
28 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 312 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 30 ms 292 KB Output is correct
18 Correct 9 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 808 ms 204 KB Output is correct
21 Correct 828 ms 296 KB Output is correct
22 Correct 827 ms 312 KB Output is correct
23 Correct 832 ms 296 KB Output is correct
24 Correct 800 ms 204 KB Output is correct
25 Correct 803 ms 304 KB Output is correct
26 Correct 804 ms 292 KB Output is correct
27 Incorrect 2 ms 204 KB Output isn't correct
28 Halted 0 ms 0 KB -