oj.uz

답안 #477381

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
477381 2021-10-01T21:26:24 Z leaked Safety (NOI18_safety) C++14
71 / 100
 243 ms 23292 KB 
#include <bits/stdc++.h>


#define m_p make_pair
#define pw2(x) (1LL<<x)
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define f first
#define sz(x) (int)x.size()
#define len(x) (int)x.size()
#define pb push_back
#define s second
#define vec vector
#define REP(i, a,b) for(int i=(a);i<(b);i++)
#define REPD(i, a,b) for(int i=(a);i>=(b);--i)
#define file "name"
#define fi first
#define se second
using namespace std;
template<class T> bool umin(T &a,const T &b){return (a>b?a=b,1:0);}
template<class T> bool umax(T &a,const T &b){return (a<b?a=b,1:0);}
typedef long long ll;
typedef pair<int,int> pii;
typedef long double ld;
typedef pair<long long, long long> pll;
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
  enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifndef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
  ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
  *this << "[";
  for (auto it = d.b; it != d.e; ++it)
	*this << ", " + 2 * (it == d.b) << *it;
  ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
void INPUT(bool F=0){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    if(F){
        freopen(file".in","r",stdin);
        freopen(file".out","w",stdout);
    }
}

struct myset{
    multiset<ll> st;
    ll ta=0;
    void add(ll x){
        x-=ta;
        st.insert(x);
    }
    ll gb(){
        assert(sz(st));
        return *st.rbegin()+ta;
    }
    ll gf(){
        assert(sz(st));
        return *st.begin()+ta;
    }
};
signed main(){
    INPUT();
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    myset l,r;
    int n,t;
    cin>>n>>t;
    ll ans=9e18;
    ll k=0,b=0;
    auto insrt=[&](ll x){
        l.add(x);l.add(x);k++;b-=x;
        while(sz(l.st)!=sz(r.st)){
            ll y=l.gb();l.st.erase(--l.st.end());
            r.add(y);
        }
    };
    auto fix=[&](){
        while(r.gf()<l.gb()){
            ll x=l.gb();ll y=r.gf();
            l.st.erase(--l.st.end());r.st.erase(r.st.begin());
            l.add(y);r.add(x);
        }
    };
    for(int i=0;i<n;i++){
        int x;
        cin>>x;
        l.ta-=t;r.ta+=t;b-=1ll*sz(r.st)*t;
        insrt(x);fix();
//        for(auto &q : l.st) debug()<<imie(q+l.ta);
//        for(auto &q : r.st) debug()<<imie(q+r.ta);
//        cout<<endl;
//        debug()<<imie(k);
    }
//    debug()<<imie(b)imie(k);
    vec<ll>xs;
    while(sz(l.st)) xs.pb(l.gf()),l.st.erase(l.st.begin());
    while(sz(r.st)) xs.pb(r.gf()),r.st.erase(r.st.begin());
    reverse(all(xs));
    for(auto &x : xs){
        umin(ans,1ll*k*x+b);
        k--;b+=x;
    }
    cout<<ans;
    return 0;
}
/*
#fwxpd bf
fwxpdbf
dpinbmcrfwxpdbf
*/

Compilation message

safety.cpp: In function 'void INPUT(bool)':
safety.cpp:57:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |         freopen(file".in","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
safety.cpp:58:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |         freopen(file".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 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 0 ms 204 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 170 ms 16856 KB Output is correct
2 Correct 226 ms 22000 KB Output is correct
3 Correct 243 ms 22792 KB Output is correct

Subtask #5
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 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 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct

Subtask #6
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 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 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct

Subtask #7
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 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 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 4 ms 844 KB Output is correct
29 Correct 3 ms 844 KB Output is correct
30 Correct 3 ms 844 KB Output is correct
31 Correct 2 ms 716 KB Output is correct
32 Correct 3 ms 716 KB Output is correct
33 Correct 4 ms 972 KB Output is correct
34 Correct 3 ms 844 KB Output is correct

Subtask #8
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 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 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 4 ms 844 KB Output is correct
35 Correct 3 ms 844 KB Output is correct
36 Correct 3 ms 844 KB Output is correct
37 Correct 2 ms 716 KB Output is correct
38 Correct 3 ms 716 KB Output is correct
39 Correct 4 ms 972 KB Output is correct
40 Correct 3 ms 844 KB Output is correct
41 Correct 3 ms 972 KB Output is correct
42 Correct 3 ms 716 KB Output is correct
43 Correct 4 ms 844 KB Output is correct
44 Correct 4 ms 776 KB Output is correct
45 Correct 3 ms 844 KB Output is correct
46 Correct 3 ms 716 KB Output is correct

Subtask #9
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 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 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 170 ms 16856 KB Output is correct
20 Correct 226 ms 22000 KB Output is correct
21 Correct 243 ms 22792 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 4 ms 844 KB Output is correct
38 Correct 3 ms 844 KB Output is correct
39 Correct 3 ms 844 KB Output is correct
40 Correct 2 ms 716 KB Output is correct
41 Correct 3 ms 716 KB Output is correct
42 Correct 4 ms 972 KB Output is correct
43 Correct 3 ms 844 KB Output is correct
44 Correct 3 ms 972 KB Output is correct
45 Correct 3 ms 716 KB Output is correct
46 Correct 4 ms 844 KB Output is correct
47 Correct 4 ms 776 KB Output is correct
48 Correct 3 ms 844 KB Output is correct
49 Correct 3 ms 716 KB Output is correct
50 Correct 241 ms 23292 KB Output is correct
51 Correct 225 ms 20008 KB Output is correct
52 Incorrect 160 ms 19432 KB Output isn't correct
53 Halted 0 ms 0 KB -