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Submission #106930

# Submission time Handle Problem Language Result Execution time Memory
106930 2019-04-21T06:43:44 Z tictaccat Circle selection (APIO18_circle_selection) C++14
7 / 100
 3000 ms 23396 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long

const int MAX = 3e5;

int n;
vector<pair<int,pair<int,int>>> circles(MAX);
vector<int> old,cur;
vector<int> elim(MAX);

int dist(pair<int,int> p1, pair<int,int> p2) {
    return (p2.first-p1.first)*(p2.first-p1.first) + (p2.second-p1.second)*(p2.second-p1.second);
}

bool intsct(pair<int,pair<int,int>> c1, pair<int,pair<int,int>> c2) {
    return dist(c1.second,c2.second) <= (c1.first+c2.first)*(c1.first+c2.first);
}

main() {

    // cin.tie(0);
    // ios::sync_with_stdio(false);

    cin >> n;

    for (int i = 0; i < n; i++) {
        int x,y,r; cin >> x >> y >> r;
        circles[i] = make_pair(r,make_pair(x,y));
        cur.push_back(i);
    }

    while (cur.size() > 0) {
        old = cur; cur.clear();
        sort(old.begin(),old.end(),[](int i, int j) {return circles[i].first > circles[j].first || (circles[i].first == circles[j].first && i < j);});
       // cout << old[0]+1 << ": ";
        for (int i = 0; i < old.size(); i++) {
            if (!intsct(circles[old[i]],circles[old[0]])) {
                cur.push_back(old[i]);
            }
            else {
                elim[old[i]] = old[0];
                //cout << old[i]+1 << " ";
            }
        }
     //   cout << "\n";
    }
    
    for (int i = 0; i < n; i++) {
        cout << elim[i]+1 << " ";
    }

    return 0;
}

Compilation message

circle_selection.cpp:22:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < old.size(); i++) {
                         ~~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 8 ms 9728 KB Output is correct
3 Correct 9 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 8 ms 9728 KB Output is correct
6 Correct 9 ms 9728 KB Output is correct
7 Correct 9 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 9 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 11 ms 9720 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Correct 11 ms 9728 KB Output is correct
15 Correct 9 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9728 KB Output is correct
19 Correct 16 ms 9984 KB Output is correct
20 Correct 23 ms 9984 KB Output is correct
21 Correct 21 ms 9984 KB Output is correct
22 Correct 402 ms 9984 KB Output is correct
23 Correct 407 ms 10104 KB Output is correct
24 Correct 465 ms 10104 KB Output is correct
25 Correct 390 ms 9976 KB Output is correct
26 Correct 415 ms 10104 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 468 ms 16692 KB Output is correct
2 Correct 496 ms 23232 KB Output is correct
3 Correct 449 ms 23008 KB Output is correct
4 Correct 447 ms 23396 KB Output is correct
5 Execution timed out 3078 ms 19332 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9728 KB Output is correct
2 Execution timed out 3017 ms 14216 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3023 ms 14648 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 8 ms 9728 KB Output is correct
3 Correct 9 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 8 ms 9728 KB Output is correct
6 Correct 9 ms 9728 KB Output is correct
7 Correct 9 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 9 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 11 ms 9720 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Correct 11 ms 9728 KB Output is correct
15 Correct 9 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9728 KB Output is correct
19 Correct 16 ms 9984 KB Output is correct
20 Correct 23 ms 9984 KB Output is correct
21 Correct 21 ms 9984 KB Output is correct
22 Correct 402 ms 9984 KB Output is correct
23 Correct 407 ms 10104 KB Output is correct
24 Correct 465 ms 10104 KB Output is correct
25 Correct 390 ms 9976 KB Output is correct
26 Correct 415 ms 10104 KB Output is correct
27 Correct 25 ms 10240 KB Output is correct
28 Correct 33 ms 10232 KB Output is correct
29 Correct 27 ms 10240 KB Output is correct
30 Correct 1911 ms 10232 KB Output is correct
31 Correct 1939 ms 10292 KB Output is correct
32 Correct 1975 ms 10232 KB Output is correct
33 Correct 219 ms 15084 KB Output is correct
34 Correct 199 ms 15084 KB Output is correct
35 Correct 205 ms 15084 KB Output is correct
36 Execution timed out 3037 ms 14060 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9728 KB Output is correct
2 Correct 8 ms 9728 KB Output is correct
3 Correct 9 ms 9728 KB Output is correct
4 Correct 9 ms 9728 KB Output is correct
5 Correct 8 ms 9728 KB Output is correct
6 Correct 9 ms 9728 KB Output is correct
7 Correct 9 ms 9728 KB Output is correct
8 Correct 9 ms 9728 KB Output is correct
9 Correct 9 ms 9728 KB Output is correct
10 Correct 9 ms 9728 KB Output is correct
11 Correct 11 ms 9720 KB Output is correct
12 Correct 10 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Correct 11 ms 9728 KB Output is correct
15 Correct 9 ms 9728 KB Output is correct
16 Correct 10 ms 9728 KB Output is correct
17 Correct 10 ms 9728 KB Output is correct
18 Correct 10 ms 9728 KB Output is correct
19 Correct 16 ms 9984 KB Output is correct
20 Correct 23 ms 9984 KB Output is correct
21 Correct 21 ms 9984 KB Output is correct
22 Correct 402 ms 9984 KB Output is correct
23 Correct 407 ms 10104 KB Output is correct
24 Correct 465 ms 10104 KB Output is correct
25 Correct 390 ms 9976 KB Output is correct
26 Correct 415 ms 10104 KB Output is correct
27 Correct 468 ms 16692 KB Output is correct
28 Correct 496 ms 23232 KB Output is correct
29 Correct 449 ms 23008 KB Output is correct
30 Correct 447 ms 23396 KB Output is correct
31 Execution timed out 3078 ms 19332 KB Time limit exceeded
32 Halted 0 ms 0 KB -