oj.uz

답안 #470356

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
470356 2021-09-03T15:15:33 Z ymm Fireworks (APIO16_fireworks) C++17
100 / 100
 265 ms 73364 KB 
///
///   ♪ Pizza mozzarella rella rella rella... ♪
///

#define _USE_MATH_DEFINES
#define FAST ios::sync_with_stdio(false),cin.tie(0);
#include <bits/stdc++.h>
#define Loop(x, l, r) for(int x = (l); x < (r); ++x)
#define LoopR(x, l, r) for(int x = (r)-1; x >= (l); --x)
#define all(x) x.begin(), x.end()
#define Kill(x) exit((cout << (x) << '\n', 0))
#define YN(flag) ((flag)? "YES": "NO")
#define F first
#define S second
typedef          long long   ll;
typedef unsigned long long  ull;
typedef std::pair<int,int>  pii;
typedef std::pair<ll ,ll >  pll;
using namespace std;

const int N = 300'010;
vector<pll> A[N];
int n, m;

struct obj
{
    priority_queue<ll, vector<ll>, less<ll>   > l;
    priority_queue<ll, vector<ll>, greater<ll>> r;
    ll w=0;

    void add(ll x)
    {
        if(!l.size()) l.push(0);
        if(!r.size()) r.push(1e15);
        ll nl = l.top()+x;
        ll nr = r.top()+x;
        l.pop(); l.push(nl);
        while(r.size()) r.pop(); r.push(nr);
    }

    void add(obj& x)
    {
        w += x.w;
        if(l.size() < x.l.size()) l.swap(x.l);
        if(r.size() < x.r.size()) r.swap(x.r);
        while(x.l.size()) l.push(x.l.top()), x.l.pop();
        while(x.r.size()) r.push(x.r.top()), x.r.pop();
        while(l.size() && r.size() && l.top() > r.top())
        {
            auto _l = l.top(), _r = r.top();
            l.pop(); r.pop();
            l.push(_r); r.push(_l);
            w += _l - _r;
        }
    }
};

obj* dfs(int v)
{
    obj* ans = new obj;
    if(v >= n) {ans->r.push(0); return ans;}
    for(auto [u, w] : A[v])
    {
        auto x = dfs(u);
        x->add(w);
        ans->add(*x);
    }
    return ans;
}

int main()
{
    FAST;
    cin >> n >> m;
    Loop(i,1,n+m)
    {
        ll v, c;
        cin >> v >> c;
        --v;
        A[v].emplace_back(i,c);
    }
    cout << dfs(0)->w;
}

Compilation message

fireworks.cpp: In member function 'void obj::add(ll)':
fireworks.cpp:38:9: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
   38 |         while(r.size()) r.pop(); r.push(nr);
      |         ^~~~~
fireworks.cpp:38:34: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
   38 |         while(r.size()) r.pop(); r.push(nr);
      |                                  ^

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7244 KB Output is correct
2 Correct 4 ms 7244 KB Output is correct
3 Correct 4 ms 7372 KB Output is correct
4 Correct 5 ms 7360 KB Output is correct
5 Correct 5 ms 7372 KB Output is correct
6 Correct 5 ms 7288 KB Output is correct
7 Correct 6 ms 7372 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 6 ms 7372 KB Output is correct
10 Correct 4 ms 7372 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7244 KB Output is correct
2 Correct 4 ms 7244 KB Output is correct
3 Correct 4 ms 7372 KB Output is correct
4 Correct 5 ms 7360 KB Output is correct
5 Correct 5 ms 7372 KB Output is correct
6 Correct 5 ms 7288 KB Output is correct
7 Correct 5 ms 7372 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 5 ms 7372 KB Output is correct
10 Correct 5 ms 7372 KB Output is correct
11 Correct 5 ms 7372 KB Output is correct
12 Correct 4 ms 7360 KB Output is correct
13 Correct 5 ms 7372 KB Output is correct
14 Correct 4 ms 7372 KB Output is correct
15 Correct 5 ms 7372 KB Output is correct
16 Correct 4 ms 7372 KB Output is correct
17 Correct 5 ms 7372 KB Output is correct
18 Correct 4 ms 7372 KB Output is correct
19 Correct 5 ms 7356 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7244 KB Output is correct
2 Correct 4 ms 7244 KB Output is correct
3 Correct 4 ms 7372 KB Output is correct
4 Correct 5 ms 7360 KB Output is correct
5 Correct 5 ms 7372 KB Output is correct
6 Correct 5 ms 7288 KB Output is correct
7 Correct 6 ms 7372 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 6 ms 7372 KB Output is correct
10 Correct 4 ms 7372 KB Output is correct
11 Correct 4 ms 7244 KB Output is correct
12 Correct 4 ms 7244 KB Output is correct
13 Correct 4 ms 7372 KB Output is correct
14 Correct 5 ms 7360 KB Output is correct
15 Correct 5 ms 7372 KB Output is correct
16 Correct 5 ms 7288 KB Output is correct
17 Correct 5 ms 7372 KB Output is correct
18 Correct 5 ms 7372 KB Output is correct
19 Correct 5 ms 7372 KB Output is correct
20 Correct 5 ms 7372 KB Output is correct
21 Correct 5 ms 7372 KB Output is correct
22 Correct 4 ms 7360 KB Output is correct
23 Correct 5 ms 7372 KB Output is correct
24 Correct 4 ms 7372 KB Output is correct
25 Correct 5 ms 7372 KB Output is correct
26 Correct 4 ms 7372 KB Output is correct
27 Correct 5 ms 7372 KB Output is correct
28 Correct 4 ms 7372 KB Output is correct
29 Correct 5 ms 7356 KB Output is correct
30 Correct 5 ms 7388 KB Output is correct
31 Correct 5 ms 7500 KB Output is correct
32 Correct 5 ms 7552 KB Output is correct
33 Correct 6 ms 7628 KB Output is correct
34 Correct 6 ms 7756 KB Output is correct
35 Correct 8 ms 7884 KB Output is correct
36 Correct 8 ms 7884 KB Output is correct
37 Correct 9 ms 8012 KB Output is correct
38 Correct 7 ms 8012 KB Output is correct
39 Correct 7 ms 8140 KB Output is correct
40 Correct 6 ms 8396 KB Output is correct
41 Correct 6 ms 8396 KB Output is correct
42 Correct 6 ms 7884 KB Output is correct
43 Correct 7 ms 8268 KB Output is correct
44 Correct 8 ms 8296 KB Output is correct
45 Correct 7 ms 8268 KB Output is correct
46 Correct 9 ms 8268 KB Output is correct
47 Correct 10 ms 8284 KB Output is correct
48 Correct 8 ms 8168 KB Output is correct
49 Correct 8 ms 8332 KB Output is correct
50 Correct 7 ms 8140 KB Output is correct
51 Correct 7 ms 8096 KB Output is correct
52 Correct 8 ms 8224 KB Output is correct
53 Correct 8 ms 8268 KB Output is correct
54 Correct 9 ms 8264 KB Output is correct

Subtask #4
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7244 KB Output is correct
2 Correct 4 ms 7244 KB Output is correct
3 Correct 4 ms 7372 KB Output is correct
4 Correct 5 ms 7360 KB Output is correct
5 Correct 5 ms 7372 KB Output is correct
6 Correct 5 ms 7288 KB Output is correct
7 Correct 6 ms 7372 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 6 ms 7372 KB Output is correct
10 Correct 4 ms 7372 KB Output is correct
11 Correct 4 ms 7244 KB Output is correct
12 Correct 4 ms 7244 KB Output is correct
13 Correct 4 ms 7372 KB Output is correct
14 Correct 5 ms 7360 KB Output is correct
15 Correct 5 ms 7372 KB Output is correct
16 Correct 5 ms 7288 KB Output is correct
17 Correct 5 ms 7372 KB Output is correct
18 Correct 5 ms 7372 KB Output is correct
19 Correct 5 ms 7372 KB Output is correct
20 Correct 5 ms 7372 KB Output is correct
21 Correct 5 ms 7372 KB Output is correct
22 Correct 4 ms 7360 KB Output is correct
23 Correct 5 ms 7372 KB Output is correct
24 Correct 4 ms 7372 KB Output is correct
25 Correct 5 ms 7372 KB Output is correct
26 Correct 4 ms 7372 KB Output is correct
27 Correct 5 ms 7372 KB Output is correct
28 Correct 4 ms 7372 KB Output is correct
29 Correct 5 ms 7356 KB Output is correct
30 Correct 5 ms 7388 KB Output is correct
31 Correct 5 ms 7500 KB Output is correct
32 Correct 5 ms 7552 KB Output is correct
33 Correct 6 ms 7628 KB Output is correct
34 Correct 6 ms 7756 KB Output is correct
35 Correct 8 ms 7884 KB Output is correct
36 Correct 8 ms 7884 KB Output is correct
37 Correct 9 ms 8012 KB Output is correct
38 Correct 7 ms 8012 KB Output is correct
39 Correct 7 ms 8140 KB Output is correct
40 Correct 6 ms 8396 KB Output is correct
41 Correct 6 ms 8396 KB Output is correct
42 Correct 6 ms 7884 KB Output is correct
43 Correct 7 ms 8268 KB Output is correct
44 Correct 8 ms 8296 KB Output is correct
45 Correct 7 ms 8268 KB Output is correct
46 Correct 9 ms 8268 KB Output is correct
47 Correct 10 ms 8284 KB Output is correct
48 Correct 8 ms 8168 KB Output is correct
49 Correct 8 ms 8332 KB Output is correct
50 Correct 7 ms 8140 KB Output is correct
51 Correct 7 ms 8096 KB Output is correct
52 Correct 8 ms 8224 KB Output is correct
53 Correct 8 ms 8268 KB Output is correct
54 Correct 9 ms 8264 KB Output is correct
55 Correct 13 ms 9420 KB Output is correct
56 Correct 36 ms 14964 KB Output is correct
57 Correct 64 ms 20572 KB Output is correct
58 Correct 78 ms 24148 KB Output is correct
59 Correct 110 ms 29784 KB Output is correct
60 Correct 141 ms 35464 KB Output is correct
61 Correct 162 ms 39176 KB Output is correct
62 Correct 175 ms 42720 KB Output is correct
63 Correct 207 ms 49648 KB Output is correct
64 Correct 222 ms 51896 KB Output is correct
65 Correct 136 ms 73156 KB Output is correct
66 Correct 142 ms 73364 KB Output is correct
67 Correct 135 ms 45252 KB Output is correct
68 Correct 182 ms 67248 KB Output is correct
69 Correct 211 ms 65544 KB Output is correct
70 Correct 208 ms 65444 KB Output is correct
71 Correct 265 ms 71856 KB Output is correct
72 Correct 261 ms 71852 KB Output is correct
73 Correct 241 ms 68140 KB Output is correct
74 Correct 240 ms 68404 KB Output is correct
75 Correct 246 ms 66484 KB Output is correct
76 Correct 246 ms 66604 KB Output is correct
77 Correct 265 ms 64368 KB Output is correct
78 Correct 264 ms 63592 KB Output is correct
79 Correct 205 ms 62500 KB Output is correct