Submission #1172933

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172933	2025-03-24 14:07:51	fryingduc	Bridges (APIO19_bridges)	C++20	100 / 100	2597 ms	4776 KiB

bridges

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#include "bits/stdc++.h"
using namespace std;
#ifdef duc_debug
#include "bits/debug.h"
#else
#define debug(...)
#endif
const int maxn = 5e4 + 4;
const int M = 1e5 + 5;
const int B = 450;
int n, m, q;
int eu[M], ev[M], ew[M];
int qo[M], qu[M], qv[M];
bool mark[M];
int lab[maxn];
stack<pair<int, int>> stk;
int lt[M];
int res[M];
int find(int u) {
  return lab[u] < 0 ? u : find(lab[u]);
}
void join(int u, int v, bool rb) {
  u = find(u), v = find(v);
  if (u == v) return;
 
 
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• Subtask 1: 13 / 13
• Subtask 2: 16 / 16
• Subtask 3: 17 / 17
• Subtask 4: 14 / 14
• Subtask 5: 13 / 13
• Subtask 6: 27 / 27