Submission #107290

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
107290	2019-04-23 06:47:47	leduykhongngu	Circle selection (APIO18_circle_selection)	C++11	49 / 100	3101 ms	62300 KiB

circle_selection

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#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a),_b=(b); i<=_b; ++i)
#define FORR(i,a,b) for (int i=(a),_b=(b); i>=_b; --i)
#define REP(i,b) for (int i=0,_b=(b); i<_b; ++i)
#define endl '\n'
#define sz(x) (int) x.size()
#define mod %
#define fillchar(x,y,z) memset(x,z,y)
#define pii pair<int,int>
#define fi first
#define se second
#define mp make_pair
typedef long long int64;
typedef unsigned long long qword;
using namespace std;
const int maxn=3e5+5;
inline int64 sqr(int64 x)
{
    return x*x;
}
struct Circle{
    int64 x,y,r;
    int id;
    bool IsIntersect(const Circle &c)
    {
        return sqr(x-c.x)+sqr(y-c.y)<=sqr(r+c.r);
    }
}cir[maxn];
bool operator <(const Circle &b,const Circle &c)
 
 
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Compilation message (stderr)

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:73:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i=Lx; i<X.size()&&X[i]<=Rx; ++i)
                        ~^~~~~~~~~
circle_selection.cpp:74:97: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int j=lower_bound(Point[i].begin(),Point[i].end(),mp(Ly,0))-Point[i].begin(); j<Point[i].size()&&Point[i][j].fi<=Ry; ++j) {
                                                                                                ~^~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 0 / 15
• Subtask 4: 0 / 23
• Subtask 5: 30 / 30
• Subtask 6: 0 / 13