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Submission #601957

# Submission time Handle Problem Language Result Execution time Memory
601957 2022-07-22T12:56:53 Z OttoTheDino Mixture (BOI20_mixture) C++17
60 / 100
 176 ms 8820 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-7, pi = acos(-1);
const int mx = 1e5;

bool eq (double a, double b) {
    return abs(a-b)<=2*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 0 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 0 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 1 ms 212 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 1 ms 340 KB Output is correct
26 Correct 1 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 0 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 1 ms 212 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 1 ms 340 KB Output is correct
26 Correct 1 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 2 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 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 1 ms 340 KB Output is correct
46 Correct 5 ms 492 KB Output is correct
47 Correct 5 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 3 ms 340 KB Output is correct
51 Correct 6 ms 468 KB Output is correct
52 Correct 6 ms 724 KB Output is correct
53 Correct 6 ms 852 KB Output is correct
54 Correct 8 ms 852 KB Output is correct
55 Correct 5 ms 340 KB Output is correct
56 Correct 5 ms 468 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 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 1 ms 212 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 1 ms 340 KB Output is correct
26 Correct 1 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 2 ms 212 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 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 1 ms 340 KB Output is correct
46 Correct 5 ms 492 KB Output is correct
47 Correct 5 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 3 ms 340 KB Output is correct
51 Correct 6 ms 468 KB Output is correct
52 Correct 6 ms 724 KB Output is correct
53 Correct 6 ms 852 KB Output is correct
54 Correct 8 ms 852 KB Output is correct
55 Correct 5 ms 340 KB Output is correct
56 Correct 5 ms 468 KB Output is correct
57 Correct 9 ms 468 KB Output is correct
58 Correct 7 ms 468 KB Output is correct
59 Correct 7 ms 468 KB Output is correct
60 Correct 6 ms 468 KB Output is correct
61 Correct 25 ms 2220 KB Output is correct
62 Correct 26 ms 2256 KB Output is correct
63 Correct 176 ms 8812 KB Output is correct
64 Incorrect 160 ms 8820 KB Output isn't correct
65 Halted 0 ms 0 KB -