Submission #735187

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
735187	2023-05-03 16:46:49	arnold518	Passport (JOI23_passport)	C++17	100 / 100	514 ms	62324 KiB

passport

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 1e6;
int N, Q;
pii A[MAXN+10];
vector<int> adj[MAXN+10];
int init(int node, int tl, int tr)
{
  if(tl==tr) return tl;
  int mid=tl+tr>>1;
  adj[init(node*2, tl, mid)].push_back(node+N);
  adj[init(node*2+1, mid+1, tr)].push_back(node+N);
  return node+N;
}
void query(int node, int tl, int tr, int l, int r, int k)
{
  if(r<tl || tr<l) return;
  if(l<=tl && tr<=r)
  {
    if(tl==tr) adj[tl].push_back(k);
    else adj[node+N].push_back(k);
    return;
 
 
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Compilation message (stderr)

passport.cpp: In function 'int init(int, int, int)':
passport.cpp:17:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   17 |  int mid=tl+tr>>1;
      |          ~~^~~
passport.cpp: In function 'void query(int, int, int, int, int, int)':
passport.cpp:32:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |  int mid=tl+tr>>1;
      |          ~~^~~
passport.cpp: In function 'void bfs(int*)':
passport.cpp:45:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for(int p=0; p<V.size();)
      |               ~^~~~~~~~~
passport.cpp:54:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |    for(; p<V.size() && V[p].first<=D[now]+1; p++) Q.push_back({V[p].second, V[p].first});
      |          ~^~~~~~~~~
passport.cpp: In function 'int main()':
passport.cpp:76:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
passport.cpp:77:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |  for(int i=1; i<=N; i++) scanf("%d%d", &A[i].first, &A[i].second);
      |                          ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
passport.cpp:95:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   95 |  scanf("%d", &Q);
      |  ~~~~~^~~~~~~~~~
passport.cpp:99:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |   scanf("%d", &t);
      |   ~~~~~^~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 8 / 8
• Subtask 5: 46 / 46