Submission #1119293

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1119293	2024-11-26 18:14:48	MrAndria	Tourism (JOI23_tourism)	C++17	28 / 100	5089 ms	33908 KiB

tourism

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#pragma GCC optimize("Ofast")
#pragma GCC optimize ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
const int MAXN = 200005;
int n, m, q, k, u, v, lg;
int tin[MAXN], tout[MAXN], val[MAXN], dst[MAXN], timer = 0;
int up[MAXN][25], a[MAXN], num[MAXN], ans[MAXN];
pair<pair<int, int>, int> query[MAXN];
vector<int> adj[MAXN];
set<int> active;
int sz = 0;
void dfs(int x, int p, int depth) {
    tin[x] = timer++;
    val[tin[x]] = x;
    dst[x] = depth;
    up[x][0] = p;
    for (int i = 1; i <= lg; ++i)
        up[x][i] = up[up[x][i - 1]][i - 1];
    for (int neighbor : adj[x]) {
        if (neighbor != p) {
            dfs(neighbor, x, depth + 1);
        }
 
 
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Compilation message (stderr)

tourism.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      | 
tourism.cpp: In function 'int main()':
tourism.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |     scanf("%d%d%d",&n,&m,&q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
tourism.cpp:102:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  102 |         scanf("%d%d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~
tourism.cpp:108:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  108 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~
tourism.cpp:112:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  112 |         scanf("%d%d",&query[i].ff.ff,&query[i].ff.ss);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 7
• Subtask 4: 18 / 18
• Subtask 5: 0 / 24
• Subtask 6: 0 / 41