Submission #477382

# Submission time Handle Problem Language Result Execution time Memory
477382 2021-10-01T21:28:59 Z leaked Safety (NOI18_safety) C++17
100 / 100
315 ms 30292 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<__int128> st;
    __int128 ta=0;
    void add(__int128 x){
        x-=ta;
        st.insert(x);
    }
    __int128 gb(){
        assert(sz(st));
        return *st.rbegin()+ta;
    }
    __int128 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;
    __int128 ans=9e18;
    __int128 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,(__int128)k*x+b);
        k--;b+=x;
    }
    ll rl=ans;
    cout<<rl;
    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);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory 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 0 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 168 ms 20876 KB Output is correct
2 Correct 279 ms 27960 KB Output is correct
3 Correct 273 ms 28948 KB Output is correct
# Verdict Execution time Memory 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 0 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 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 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
# Verdict Execution time Memory 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 0 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 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 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
# Verdict Execution time Memory 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 0 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 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 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 972 KB Output is correct
29 Correct 3 ms 972 KB Output is correct
30 Correct 5 ms 972 KB Output is correct
31 Correct 3 ms 844 KB Output is correct
32 Correct 3 ms 844 KB Output is correct
33 Correct 5 ms 972 KB Output is correct
34 Correct 5 ms 972 KB Output is correct
# Verdict Execution time Memory 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 0 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 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 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 0 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 972 KB Output is correct
35 Correct 3 ms 972 KB Output is correct
36 Correct 5 ms 972 KB Output is correct
37 Correct 3 ms 844 KB Output is correct
38 Correct 3 ms 844 KB Output is correct
39 Correct 5 ms 972 KB Output is correct
40 Correct 5 ms 972 KB Output is correct
41 Correct 4 ms 1100 KB Output is correct
42 Correct 4 ms 844 KB Output is correct
43 Correct 5 ms 912 KB Output is correct
44 Correct 5 ms 972 KB Output is correct
45 Correct 4 ms 920 KB Output is correct
46 Correct 4 ms 884 KB Output is correct
# Verdict Execution time Memory 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 0 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 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 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 0 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 168 ms 20876 KB Output is correct
20 Correct 279 ms 27960 KB Output is correct
21 Correct 273 ms 28948 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 972 KB Output is correct
38 Correct 3 ms 972 KB Output is correct
39 Correct 5 ms 972 KB Output is correct
40 Correct 3 ms 844 KB Output is correct
41 Correct 3 ms 844 KB Output is correct
42 Correct 5 ms 972 KB Output is correct
43 Correct 5 ms 972 KB Output is correct
44 Correct 4 ms 1100 KB Output is correct
45 Correct 4 ms 844 KB Output is correct
46 Correct 5 ms 912 KB Output is correct
47 Correct 5 ms 972 KB Output is correct
48 Correct 4 ms 920 KB Output is correct
49 Correct 4 ms 884 KB Output is correct
50 Correct 315 ms 29540 KB Output is correct
51 Correct 223 ms 25228 KB Output is correct
52 Correct 157 ms 24356 KB Output is correct
53 Correct 204 ms 29564 KB Output is correct
54 Correct 171 ms 30292 KB Output is correct
55 Correct 162 ms 26316 KB Output is correct
56 Correct 178 ms 28476 KB Output is correct
57 Correct 160 ms 26628 KB Output is correct
58 Correct 134 ms 21040 KB Output is correct
59 Correct 178 ms 28916 KB Output is correct