Submission #854701

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
854701	2023-09-28 15:10:01	dlalswp25	Circle selection (APIO18_circle_selection)	C++17	37 / 100	3072 ms	814412 KiB

circle_selection

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
const int K = 3;
int N;
int X[303030];
int Y[303030];
int R[303030];
int XL[303030];
int XR[303030];
vector<pii> UL[303030];
vector<pii> UR[303030];
vector<int> V[303030];
int ans[303030];
struct DSU {
  int n;
  vector<int> l, r, lc, rc;
  int c;
  DSU(int _n = 0) : n(_n), l(_n + 1), r(_n + 1), lc(_n), rc(_n), c(0) {
    l[0] = -1; r[0] = n;
  }
  int left(int x) {
    x = min(x, n - 1);
    return x < 0 ? -1 : l[lc[x]];
 
 
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Compilation message (stderr)

circle_selection.cpp: In member function 'void SegTree::chk(int, std::vector<std::pair<int, int> >&)':
circle_selection.cpp:133:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  133 |     if (t >= T[p].v.size()) break;
      |         ~~^~~~~~~~~~~~~~~~
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:189:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  189 |  for (int i = 1; i <= N; i++) printf("%d ", ans[i]); puts("");
      |  ^~~
circle_selection.cpp:189:54: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  189 |  for (int i = 1; i <= N; i++) printf("%d ", ans[i]); puts("");
      |                                                      ^~~~
circle_selection.cpp:149:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  149 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
circle_selection.cpp:152:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  152 |   scanf("%d%d%d", &X[i], &Y[i], &R[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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