Submission #316072

#TimeUsernameProblemLanguageResultExecution timeMemory
316072MrDominoThe Big Prize (IOI17_prize)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #include "prize.h" using namespace std; mt19937 rng((long long) (new char)); int find_best(int n) { /// subtask 1 int l = 0; while (l < n) { int r = l, lo = l + 1, hi = n - 1; vector<int> v_l = ask(r); if (v_pos[0] == 0 && v_pos[1] == 0) { return l; } while (lo <= hi) { int pos = (lo + hi) / 2; vector<int> v_pos = ask(pos); if (v_pos == v_l) { r = pos; lo = pos + 1; } else { hi = pos - 1; } } l = r + 1; } }

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:14:9: error: 'v_pos' was not declared in this scope
   14 |     if (v_pos[0] == 0 && v_pos[1] == 0) {
      |         ^~~~~
prize.cpp:29:1: warning: control reaches end of non-void function [-Wreturn-type]
   29 | }
      | ^