Submission #1111733

#TimeUsernameProblemLanguageResultExecution timeMemory
1111733zxciganFish 3 (JOI24_fish3)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; mt19937_64 rng(time(0)); using ll = long long; #define int long long const int N = 2e5 + 1; void solve() { int n, d; cin >> n >> d; vector<int> c(n + 1), pref (n + 1); for (int i = 1; i <= n; ++i) { cin >> c[i]; pref[i] = pref[i - 1] + c[i]; } int q; cin >> q; vector<int> mxl (n + 1); for (int i = 1; i <= n; ++i) { if (c[i]) mxl[i] = mxl[i - 1] + 1; } while (q--) { int l, r; cin >> l >> r; int ans = 0; while (r >= l) { if (!a[r]) break; r --; } while (r >= l) { if (a[r]) ans += 1; r --; } if (ans) { if (d > 1) { cout << "-1\n"; return; } } cout << ans << '\n'; } } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); #ifdef LOCAL freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif // LOCAL int T = 1; while (T--) solve(); return 0; }

Compilation message (stderr)

Main.cpp: In function 'void solve()':
Main.cpp:28:18: error: 'a' was not declared in this scope
   28 |             if (!a[r]) break;
      |                  ^
Main.cpp:32:17: error: 'a' was not declared in this scope
   32 |             if (a[r]) ans += 1;
      |                 ^