제출 #163174

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
163174	2019-11-11 16:11:20	combi1k1	원 고르기 (APIO18_circle_selection)	C++14	100 / 100	1456 ms	43864 KiB

circle_selection

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#include<bits/stdc++.h>
using namespace std;
#define ll      long long
#define pb      push_back
#define sz(x)   x.size()
const int   N   = 3e5 + 1;
const int   inf = 1e9 + 7;
typedef vector<int> vi;
struct  Circle  {
    int x, y;
    int R, i;
    int ans;
}   C[N];
bool Share(Circle a,Circle b)   {
    long long dX = 1ll * (a.x - b.x) * (a.x - b.x);
    long long dY = 1ll * (a.y - b.y) * (a.y - b.y);
    long long dR = 1ll * (a.R + b.R) * (a.R + b.R);
    return  dX + dY <= dR;
}
ll  encode(int x,int y) {   return  ((ll)x << 31) + y;  }
int main()  {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:80:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j = 0 ; j < v.size() ; ++j) if (Share(C[i],C[v[j]]))    {
                             ~~^~~~~~~~~~
circle_selection.cpp: In lambda function:
circle_selection.cpp:47:5: warning: control reaches end of non-void function [-Wreturn-type]
     });
     ^

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• Subtask 2: 12 / 12
• Subtask 3: 15 / 15
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• Subtask 6: 13 / 13