Submission #1200442

#TimeUsernameProblemLanguageResultExecution timeMemory
1200442NeltFinding Routers (IOI20_routers)C++20
Compilation error
0 ms0 KiB
std::vector<int> find_routers(int L, int n, int q) { vector<int> ans; ans.push_back(0); ll B = n == 2 ? 2e5 : 64; for (ll i = 1; i <= L; i += B) { ll j = min((ll)L, i + B - 1); ll l, r, x = use_detector(min((ll)L, j + 1)); bool ok; while (ans.size() < n and ans.back() + 1 <= j and x != ans.size() - 1) { l = max(i, (ll)ans.back() + 1), r = j; while (l <= r) { ll mid = (l + r) >> 1; if (use_detector(mid) < ans.size()) l = mid + 1; else r = mid - 1; } ans.push_back(2 * r - ans.back()); } } return ans; }

Compilation message (stderr)

routers.cpp:1:6: error: 'vector' in namespace 'std' does not name a template type
    1 | std::vector<int> find_routers(int L, int n, int q)
      |      ^~~~~~
routers.cpp:1:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
  +++ |+#include <vector>
    1 | std::vector<int> find_routers(int L, int n, int q)