Submission #111248

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
111248	2019-05-14 13:23:08	Just_Solve_The_Problem	Circle selection (APIO18_circle_selection)	C++17	72 / 100	3031 ms	55376 KiB

circle_selection

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#include <set>
#include <map>
#include <stdio.h>
#include <vector>
#include <algorithm>
#include <numeric>
#pragma GCC optimize("Ofast")
 
#define ll long long
 
using namespace std;
 
const int N = (int)3e5 + 7;
 
int x[N], y[N], r[N];
int n;
int ans[N];
map<pair<int, int>, vector<int>> mp;
int pos[N];
int block = 0;
set <int> ost;
ll sqr(ll x) {
  return x * x;
}
ll dist(int x1, int y1, int x2, int y2) {
  return sqr(x1 - x2) + sqr(y1 - y2);
}
 
 
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Compilation message (stderr)

circle_selection.cpp:38:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
circle_selection.cpp:42:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &x[i], &y[i], &r[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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