oj.uz

Submission #601963

# Submission time Handle Problem Language Result Execution time Memory
601963 2022-07-22T12:58:13 Z OttoTheDino Mixture (BOI20_mixture) C++17
100 / 100
 213 ms 11724 KB 
#include <bits/stdc++.h>
using namespace std;

#define rep(i,s,e)                  for (int i = s; i <= e; ++i)
#define rrep(i,s,e)                 for (int i = s; i >= e; --i)
#define pb                          push_back
#define pf                          push_front
#define fi                          first
#define se                          second
#define all(a)                      a.begin(), a.end()
#define len(a)                      (int)a.size()
typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef vector<ii> vii;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<ll> vll;

const double eps = 1e-10, pi = acos(-1);
const int mx = 1e5;

bool eq (double a, double b) {
    return abs(a-b)<=5*eps;
}

double ang[mx+1] = {};
int bud[mx+1] = {}, b = 0;
set<pair<double,int>> st2;

void do_two (int id) {
    double poss[5] = {fmod(ang[id]+pi+eps,2*pi),
                        ang[id]+pi-eps,
                        fmod(ang[id]+pi-eps,2*pi),
                        fmod(ang[id]+pi,2*pi)+eps,
                        fmod(ang[id]+pi,2*pi)-eps};
    rep (i,0,4) {
        double pos = poss[i];
        auto it = st2.lower_bound({pos, 0});
        if (it!=st2.end() && eq((*it).fi,pos)) {
            bud[id] = (*it).se;
            bud[(*it).se] = id;
            st2.erase(it);
            b++;
            return;
        }
    }

    st2.insert({ang[id], id});
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    double S, P, G; cin >> S >> P >> G;

    double X = S/(S+P+G), Y = P/(S+P+G);

    int n; cin >>n;

    int id = 1, a=0, p[n+1] = {};
    multiset<double> st3; 

    rep (i,1,n) {
        char tp; cin >> tp;
        if (tp=='A') {
            double Si, Pi, Gi;
            cin >> Si >> Pi >> Gi;
            double x = Si/(Si+Pi+Gi), y = Pi/(Si+Pi+Gi);
            if (eq(X,x) && eq(Y,y)) {
                a++;
                p[id] = 1;
            }
            else {
                ang[id] = fmod(pi+atan2(y-Y, x-X),2*pi);
//                cout << "ang #" << id << ": " << ang[id] << endl;
                st3.insert(ang[id]);
                do_two(id);
            }
            ++id;
        }
        else {
            int x; cin >> x;
            if (p[x])
                a--;
            else {
                st3.erase(st3.find(ang[x]));
                if (st2.find({ang[x],x})!=st2.end()) st2.erase({ang[x],x});
                if (bud[x]) {
                    b--;
                    bud[bud[x]] = 0;
                    do_two(bud[x]);
                    bud[x] = 0;
                }
            }
        }
        //cout << i << " " << b << endl;

        bool c = 0;
        if (len(st3)>2) {
            double un = (*st3.begin());
            double dos = (*--st3.upper_bound(un+pi));
            double tres = (*--st3.upper_bound(dos+pi));
            if (max(dos-un,max(tres-dos,2*pi+un-tres))<=pi) c = 1; 
        }


        if (a) cout << "1\n";
        else if (b) cout << "2\n";
        else if (c) cout << "3\n";
        else cout << "0\n";
    }

    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 272 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 212 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 272 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 2 ms 340 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 2 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 2 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 5 ms 564 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 2 ms 340 KB Output is correct
49 Correct 3 ms 340 KB Output is correct
50 Correct 2 ms 340 KB Output is correct
51 Correct 5 ms 564 KB Output is correct
52 Correct 6 ms 724 KB Output is correct
53 Correct 6 ms 840 KB Output is correct
54 Correct 6 ms 852 KB Output is correct
55 Correct 4 ms 340 KB Output is correct
56 Correct 4 ms 468 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 272 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 2 ms 340 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 2 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 2 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 2 ms 340 KB Output is correct
46 Correct 5 ms 564 KB Output is correct
47 Correct 4 ms 468 KB Output is correct
48 Correct 2 ms 340 KB Output is correct
49 Correct 3 ms 340 KB Output is correct
50 Correct 2 ms 340 KB Output is correct
51 Correct 5 ms 564 KB Output is correct
52 Correct 6 ms 724 KB Output is correct
53 Correct 6 ms 840 KB Output is correct
54 Correct 6 ms 852 KB Output is correct
55 Correct 4 ms 340 KB Output is correct
56 Correct 4 ms 468 KB Output is correct
57 Correct 7 ms 468 KB Output is correct
58 Correct 7 ms 468 KB Output is correct
59 Correct 8 ms 468 KB Output is correct
60 Correct 8 ms 528 KB Output is correct
61 Correct 32 ms 2224 KB Output is correct
62 Correct 28 ms 2260 KB Output is correct
63 Correct 168 ms 8748 KB Output is correct
64 Correct 146 ms 8804 KB Output is correct
65 Correct 130 ms 3556 KB Output is correct
66 Correct 177 ms 5108 KB Output is correct
67 Correct 1 ms 212 KB Output is correct
68 Correct 0 ms 324 KB Output is correct
69 Correct 193 ms 11724 KB Output is correct
70 Correct 169 ms 8904 KB Output is correct
71 Correct 213 ms 8908 KB Output is correct
72 Correct 143 ms 10948 KB Output is correct
73 Correct 163 ms 10572 KB Output is correct