oj.uz

답안 #221648

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
221648 2020-04-10T19:03:49 Z Plasmatic Pinball (JOI14_pinball) C++11
100 / 100
 363 ms 29804 KB 
#pragma region
#include "bits/stdc++.h"
using namespace std;
// Common Type shorteners and int128
using ll = long long; using ull = unsigned long long; using ld = long double;
using pii = pair<int, int>; using pll = pair<ll, ll>;
template <typename T> using vec = vector<T>;
template <typename K, typename V> using umap = unordered_map<K, V>; template <typename K> using uset = unordered_set<K>;
using vi = vec<int>; using vl = vec<ll>; using vpi = vec<pii>; using vpl = vec<pll>;
#ifdef __SIZEOF_INT128__
using int128 = __int128_t; using uint128 = __uint128_t;
#endif
template<typename I> string intStr(I x) { string ret; while (x > 0) { ret += (x % 10) + '0'; x /= 10; } reverse(ret.begin(), ret.end()); return ret; } // Int to string
// Shorthand Macros
#define INF 0x3f3f3f3f
#define LLINF 0x3f3f3f3f3f3f3f3f
#define mpr make_pair
#define mtup make_tuple
#define pb push_back
#define popcount __builtin_popcount
#define clz __builtin_clz
#define ctz __builtin_ctz
#define finline __attribute__((always_inline))
// Shorthand Function Macros
#define sz(x) ((int)((x).size()))
#define all(x) (x).begin(), (x).end()
#define rep(i, a, b) for (__typeof(a) i = a; i < b; i++)
#define reprev(i, a, b) for (__typeof(a) i = a; i > b; i--)
#define repi(a, b) rep(i, a, b)
#define repj(a, b) rep(j, a, b)
#define repk(a, b) rep(k, a, b)
#define Cmplt(type) bool operator<(const type &o) const
#define Cmpgt(type) bool operator>(const type &o) const
#define Cmpfn(name, type) bool name(const type &a, const type &b)
#define Inop(type) istream& operator>>(istream& in, type &o)
#define Outop(type) ostream& operator<<(ostream& out, type o)
#define Pow2(x) (1LL << (x))
#define scn(type, ...) type __VA_ARGS__; scan(__VA_ARGS__) // scn -> Short for SCan New
// Shorthand Functions
template<typename T> inline void maxa(T& st, T v) { st = max(st, v); }
template<typename T> inline void mina(T& st, T v) { st = min(st, v); }
inline void setprec(ostream& out, int prec) { out << setprecision(prec) << fixed; }
// Out operators and printing for arrays and vectors
template <typename T> ostream& operator<<(ostream& out,vector<T> iter){out<<"[";for(auto t:iter){out<<t<<", ";}out<<"]";return out;}
template <typename T> string arrayStr(T *arr,int sz){string ret = "[";for(int i=0;i<sz;i++){ret+=to_string(arr[i])+", "; } return ret + "]";}
template <typename T> void printArray(T *arr,int sz){for(int i=0;i<sz;i++){cout<<arr[i]<<" "; } cout<<"\n";}
// I/O Operations
inline void scan(){}
template<typename F, typename... R> inline void scan(F &f,R&... r){cin>>f;scan(r...);}
template <typename F> inline void println(F t){cout<<t<<'\n';}
template<typename F, typename... R> inline void println(F f,R... r){cout<<f<<" ";println(r...);}
inline void print(){}
template<typename F, typename... R> inline void print(F f,R... r){cout<<f;print(r...);}
// Debugging
#define db(x) cout << (#x) << ": " << (x) << ", "
#define dblb(s) cout << "[" << (s) << "] "
#define dba(alias, x) cout << (alias) << ": " << (x) << ", "
template<typename F> inline string __generic_tostring(F f) { stringstream ss; ss << f; return ss.str(); }
template<typename F> inline string __join_comma(F f) {return __generic_tostring(f);}
template<typename F, typename... R> string __join_comma(F f, R... r) { return __generic_tostring(f) + ", " + __join_comma(r...); }
#define dbp(alias, ...) cout << (alias) << ": (" << __join_comma(__VA_ARGS__) << "), "
#define dbbin(x, n) cout << (#x) << ": " << bitset<n>(x) << ", "
#define dbarr(x, n) cout << (#x) << ": " << arrayStr((x), (n)) << ", "
#define dbln cout << endl;
#pragma endregion

template <int MN, typename T>
struct SegmentTree {
    int n; T seg[MN << 2];
    void setVal(T& a, T b) { mina(a, b); }
    T merge(T a, T b) { return min(a, b); }
    T getDefault() { return LLINF; }
    T _query(int i, int bl, int br, int ql, int qr){
        if(br < ql || bl > qr) return getDefault();
        if(bl >= ql && br <= qr) return seg[i];
        int mid = (bl + br) >> 1;
        return merge(_query(i << 1, bl, mid, ql, qr), _query(i << 1 | 1, mid + 1, br, ql, qr));
    }
    T _update(int i, int bl, int br, int q, T v){
        if(q < bl || q > br) return seg[i];
        if(bl >= q && br <= q) { setVal(seg[i], v); return seg[i]; }
        int mid = (bl + br) >> 1;
        return seg[i] = merge(_update(i << 1, bl, mid, q, v), _update(i << 1 | 1, mid + 1, br, q, v));
    }
    void init(int n0) { n = n0; for (int i = 0; i < 4 * n; i++) seg[i] = getDefault(); }
    T query(int l, int r) { return _query(1, 1, n, l, r); }
    void update(int l, T v) { _update(1, 1, n, l, v); }
};

#define T int
struct Rank {
    vector<T> rank;
    void add(T x) { rank.push_back(x); }
    void init() {
        sort(rank.begin(), rank.end());
        rank.resize(unique(rank.begin(), rank.end()) - rank.begin());
    }
    int get(T x) { return lower_bound(rank.begin(), rank.end(), x) - rank.begin() + 1; }
};
#undef T

struct dev {
    int l, r, x; ll cost;
    Cmplt(dev) { return r < o.r; }
};

const int MM = 1e5 + 1;
int N, M;
dev devs[MM];
ll dp[2][2][MM];
SegmentTree<MM * 3, ll> seg[2];
Rank r;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    scan(M, N);
    repi(1, M + 1) {
        scn(int, a, b, c, d);
        devs[i] = {a, b, c, d};
        r.add(a); r.add(b); r.add(c);
    }
    r.init();

    // init dp
    repi(0, 2) seg[i].init(sz(r.rank));
    memset(dp, 0x3f, sizeof dp);
    repi(1, M + 1) { // dp[0][0][x] is pointless.  Answer must form a Y-shape
        auto &dev = devs[i];

        ll minL = seg[0].query(r.get(dev.l), r.get(dev.r)), minR = seg[1].query(r.get(dev.l), r.get(dev.r));
        if (dev.l == 1) minL = 0;
        if (dev.r == N) minR = 0;
            
        mina(dp[1][0][i], minL + dev.cost);
        mina(dp[0][1][i], minR + dev.cost);
        mina(dp[1][1][i], minL + minR + dev.cost);
        seg[0].update(r.get(dev.x), dp[1][0][i]);
        seg[1].update(r.get(dev.x), dp[0][1][i]);
    }

    ll ans = LLINF;
    repi(1, M + 1)
        mina(ans, dp[1][1][i]);
    println(ans == LLINF ? -1 : ans);

    return 0;
}

Compilation message

pinball.cpp:1:0: warning: ignoring #pragma region  [-Wunknown-pragmas]
 #pragma region
 
pinball.cpp:65:0: warning: ignoring #pragma endregion  [-Wunknown-pragmas]
 #pragma endregion

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 6 ms 3456 KB Output is correct
4 Correct 7 ms 3456 KB Output is correct
5 Correct 6 ms 3456 KB Output is correct
6 Correct 6 ms 3456 KB Output is correct
7 Correct 6 ms 3456 KB Output is correct
8 Correct 6 ms 3456 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 6 ms 3456 KB Output is correct
4 Correct 7 ms 3456 KB Output is correct
5 Correct 6 ms 3456 KB Output is correct
6 Correct 6 ms 3456 KB Output is correct
7 Correct 6 ms 3456 KB Output is correct
8 Correct 6 ms 3456 KB Output is correct
9 Correct 6 ms 3456 KB Output is correct
10 Correct 7 ms 3456 KB Output is correct
11 Correct 6 ms 3456 KB Output is correct
12 Correct 7 ms 3584 KB Output is correct
13 Correct 7 ms 3584 KB Output is correct
14 Correct 7 ms 3584 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 6 ms 3456 KB Output is correct
4 Correct 7 ms 3456 KB Output is correct
5 Correct 6 ms 3456 KB Output is correct
6 Correct 6 ms 3456 KB Output is correct
7 Correct 6 ms 3456 KB Output is correct
8 Correct 6 ms 3456 KB Output is correct
9 Correct 6 ms 3456 KB Output is correct
10 Correct 7 ms 3456 KB Output is correct
11 Correct 6 ms 3456 KB Output is correct
12 Correct 7 ms 3584 KB Output is correct
13 Correct 7 ms 3584 KB Output is correct
14 Correct 7 ms 3584 KB Output is correct
15 Correct 6 ms 3456 KB Output is correct
16 Correct 7 ms 3584 KB Output is correct
17 Correct 8 ms 3712 KB Output is correct
18 Correct 7 ms 3584 KB Output is correct
19 Correct 8 ms 3712 KB Output is correct
20 Correct 8 ms 3584 KB Output is correct
21 Correct 7 ms 3584 KB Output is correct
22 Correct 8 ms 3712 KB Output is correct
23 Correct 8 ms 3712 KB Output is correct
24 Correct 8 ms 3712 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3456 KB Output is correct
2 Correct 6 ms 3456 KB Output is correct
3 Correct 6 ms 3456 KB Output is correct
4 Correct 7 ms 3456 KB Output is correct
5 Correct 6 ms 3456 KB Output is correct
6 Correct 6 ms 3456 KB Output is correct
7 Correct 6 ms 3456 KB Output is correct
8 Correct 6 ms 3456 KB Output is correct
9 Correct 6 ms 3456 KB Output is correct
10 Correct 7 ms 3456 KB Output is correct
11 Correct 6 ms 3456 KB Output is correct
12 Correct 7 ms 3584 KB Output is correct
13 Correct 7 ms 3584 KB Output is correct
14 Correct 7 ms 3584 KB Output is correct
15 Correct 6 ms 3456 KB Output is correct
16 Correct 7 ms 3584 KB Output is correct
17 Correct 8 ms 3712 KB Output is correct
18 Correct 7 ms 3584 KB Output is correct
19 Correct 8 ms 3712 KB Output is correct
20 Correct 8 ms 3584 KB Output is correct
21 Correct 7 ms 3584 KB Output is correct
22 Correct 8 ms 3712 KB Output is correct
23 Correct 8 ms 3712 KB Output is correct
24 Correct 8 ms 3712 KB Output is correct
25 Correct 29 ms 5376 KB Output is correct
26 Correct 73 ms 8820 KB Output is correct
27 Correct 225 ms 14960 KB Output is correct
28 Correct 193 ms 10984 KB Output is correct
29 Correct 153 ms 13032 KB Output is correct
30 Correct 254 ms 12224 KB Output is correct
31 Correct 332 ms 21480 KB Output is correct
32 Correct 304 ms 18540 KB Output is correct
33 Correct 49 ms 8696 KB Output is correct
34 Correct 155 ms 16624 KB Output is correct
35 Correct 219 ms 29804 KB Output is correct
36 Correct 363 ms 29800 KB Output is correct
37 Correct 305 ms 29800 KB Output is correct
38 Correct 303 ms 29804 KB Output is correct