Submission #1120538

#TimeUsernameProblemLanguageResultExecution timeMemory
1120538vjudge1Event Hopping (BOI22_events)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #define ll long long #define all(x) x.begin(), x.end() #define in insert #define F first #define S second #define ppf pop_front #define pb push_back #define ppb pop_back #define pf push_front #define pii pair <int, int> #define pll pair <ll, ll> #define boost() ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define sz(x) (int)x.size() using namespace std; const int N = 1e3+123; const ll mod = 1e9+7; vector<int> g[N]; int used[N]; void dfs(int v , int p){ for(int to : g[v]){ if(to != p){ dfs(to); } } } void solve() { int n,q; cin >> n >> q; pair<pii,int> a[n+1]; pii qr[q+1]; for(int i=1 ; i <= n ; i++){ cin >> a[i].F.F >> a[i].F.S; a[i].S=i; } sort(a+1 , a+1+n); for(int i=1 ; i <= q ; i++){ int x,y; cin >> x >> y; //cin >> qr[i].F >> qr[i].S; if(x != a[i].S){ cout << "impossible\n"; } else{ cout << n-1 << endl; } } } signed main() { boost(); int tt=1; //cin >> tt; while (tt--) { solve(); } return 0; }

Compilation message (stderr)

events.cpp: In function 'void dfs(int, int)':
events.cpp:27:19: error: too few arguments to function 'void dfs(int, int)'
   27 |             dfs(to);
      |                   ^
events.cpp:24:6: note: declared here
   24 | void dfs(int v , int p){
      |      ^~~
events.cpp: In function 'void solve()':
events.cpp:35:9: warning: unused variable 'qr' [-Wunused-variable]
   35 |     pii qr[q+1];
      |         ^~