Submission #262397

# Submission time Handle Problem Language Result Execution time Memory
262397 2020-08-12T20:46:37 Z CaroLinda Circle selection (APIO18_circle_selection) C++14
7 / 100
1080 ms 55952 KB
#include <bits/stdc++.h>

#define lp(i,a,b) for(int i = a; i < b ; i++)
#define ff first
#define ss second
#define pb emplace_back
#define ll long long
#define mk make_pair
#define sz(x) x.size()
#define pii pair<int,int>
#define mkt make_tuple
#define debug printf

const int MAXN = 5010 ;

using namespace std ;

struct Circle
{

    ll x , y , r ;
    int id ;

    Circle(ll x = 0 , ll y = 0 , ll r  = 0 , int id = 0 ) : x(x) , y(y) , r(r) , id(id) {}
    bool operator < (Circle other) const
    {
        if(r == other.r) return id < other.id ;
        return r > other.r ;
    }

};

int N ;
int sai_para[MAXN] ;
set<Circle> s ;

void process()
{

    Circle ptr = *s.begin() ;

    vector<Circle> toDelete ;

    for(auto e : s )
    {

        ll dist = (ptr.x - e.x) * (ptr.x - e.x) ;
        dist += ( ptr.y - e.y ) * ( ptr.y - e.y ) ;

        ll rad_quad = ptr.r + e.r ;
        rad_quad *= rad_quad ;

        if( dist > rad_quad ) continue ;

        toDelete.pb( e ) ;
        sai_para[ e.id ] = ptr.id ;

    }

    for(auto e : toDelete ) s.erase( s.find(e) ) ;

}

int main()
{

    scanf("%d", &N ) ;
    for(int i = 1 ; i <= N ; i++ )
    {
        ll x , y , r ;
        scanf("%lld %lld %lld", &x, &y, &r ) ;
        s.insert( Circle(x,y,r,i) ) ;
    }

    while( !s.empty() ) process() ;

    lp(i,1,N+1) printf("%d%c", sai_para[i] , " \n"[i == N]) ;

}

Compilation message

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:67:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   67 |     scanf("%d", &N ) ;
      |     ~~~~~^~~~~~~~~~~
circle_selection.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   71 |         scanf("%lld %lld %lld", &x, &y, &r ) ;
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 288 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 6 ms 1280 KB Output is correct
20 Correct 6 ms 1280 KB Output is correct
21 Correct 8 ms 1152 KB Output is correct
22 Correct 191 ms 896 KB Output is correct
23 Correct 190 ms 1016 KB Output is correct
24 Correct 198 ms 896 KB Output is correct
25 Correct 186 ms 896 KB Output is correct
26 Correct 199 ms 900 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 414 ms 54756 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Runtime error 123 ms 19064 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1080 ms 55952 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 288 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 6 ms 1280 KB Output is correct
20 Correct 6 ms 1280 KB Output is correct
21 Correct 8 ms 1152 KB Output is correct
22 Correct 191 ms 896 KB Output is correct
23 Correct 190 ms 1016 KB Output is correct
24 Correct 198 ms 896 KB Output is correct
25 Correct 186 ms 896 KB Output is correct
26 Correct 199 ms 900 KB Output is correct
27 Runtime error 11 ms 3456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
28 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 288 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 6 ms 1280 KB Output is correct
20 Correct 6 ms 1280 KB Output is correct
21 Correct 8 ms 1152 KB Output is correct
22 Correct 191 ms 896 KB Output is correct
23 Correct 190 ms 1016 KB Output is correct
24 Correct 198 ms 896 KB Output is correct
25 Correct 186 ms 896 KB Output is correct
26 Correct 199 ms 900 KB Output is correct
27 Runtime error 414 ms 54756 KB Execution killed with signal 11 (could be triggered by violating memory limits)
28 Halted 0 ms 0 KB -