Submission #106930

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
106930	2019-04-21 06:43:44	tictaccat	Circle selection (APIO18_circle_selection)	C++14	7 / 100	3078 ms	23396 KiB

circle_selection

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#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;
 
 
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Compilation message (stderr)

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 / 7
• Subtask 2: 0 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 0 / 30
• Subtask 6: 0 / 13