Submission #1165796

#TimeUsernameProblemLanguageResultExecution timeMemory
1165796monkey133Weird Numeral System (CCO21_day1problem2)C++20
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> //#include "includeall.h" //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #define endl '\n' #define f first #define s second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define input(x) scanf("%lld", &x); #define input2(x, y) scanf("%lld%lld", &x, &y); #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z); #define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a); #define print(x, y) printf("%lld%c", x, y); #define show(x) cerr << #x << " is " << x << endl; #define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl; #define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl; #define all(x) x.begin(), x.end() #define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define FOR(i, x, n) for (ll i =x; i<=n; ++i) #define RFOR(i, x, n) for (ll i =x; i>=n; --i) #pragma GCC optimize("O3","unroll-loops") using namespace std; mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count()); //using namespace __gnu_pbds; //#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> //#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> typedef long long ll; typedef long double ld; typedef pair<ld, ll> pd; typedef pair<string, ll> psl; typedef pair<ll, ll> pi; typedef pair<pi, ll> pii; typedef pair<pi, pi> piii; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll k,q, d, m, a; vector<ll> hh[5000005]; ll ans[5000005]; set<ll> found; ll dfs(ll x, ll layer = 0) { if (found.count(x)) return -1; found.insert(x); for (ll u: hh[(x%k + k)%k]) { if (x==u) { ans[layer] = u; return layer + 1; } else if ((res = dfs((x - u)/k, layer + 1))!=-1) { ans[layer] = u; return res; } } return -1; } int main() { cin >> k >> q >> d >> m; for (ll i=1; i<=d; ++i) { cin >> a; hh[(a%k + k)%k].pb(a); } while (q--) { cin >> a; found.clear(); ll x = dfs(a); if (x!=-1) { for (ll i=x-1; i>=0; --i) cout << ans[i] << ' '; cout << endl; } else {cout << "IMPOSSIBLE\n";} } return 0; }

Compilation message (stderr)

Main.cpp: In function 'll dfs(ll, ll)':
Main.cpp:57:27: error: 'res' was not declared in this scope
   57 |                 else if ((res = dfs((x - u)/k, layer + 1))!=-1)
      |                           ^~~