Submission #981855

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
981855	2024-05-13 15:47:53	vjudge1	Swapping Cities (APIO20_swap)	C++17	37 / 100	2082 ms	35528 KiB

swap

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#include "swap.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;
long long n, m, i, j, sz[200001], p[200001], d[200001], mx[200001], szm[200001];
vector<pair<long long, long long>> g[200001];
vector<pair<long long, pair<long long, long long>>> gg;
long long get(long long x) {
  return x == p[x] ? x : p[x] = get(p[x]);
}
void merge(long long xx, long long yy) {
  long long x = get(xx), y = get(yy);
  mx[x] = max({mx[x], d[x], d[xx]});
  mx[y] = max({mx[y], d[y], d[yy]});
  mx[x] = max(mx[x], mx[y]);
  mx[y] = max(mx[y], mx[x]);
  szm[x]++;
  if (x == y) return;
  if (sz[x] < sz[y]) swap(x, y);
  p[y] = x;
  sz[x] += sz[y];
  szm[x] += szm[y];
  mx[x] = max(mx[x], mx[y]);
}
void init(int N, int M,
          std::vector<int> U, std::vector<int> V, std::vector<int> W) {
  n = N, m = M;
 
 
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Compilation message (stderr)

swap.cpp: In function 'bool check(long long int, long long int, long long int)':
swap.cpp:40:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |  if (md < 0 || md >= gg.size()) return 0;
      |                ~~~^~~~~~~~~~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 17 / 17
• Subtask 4: 20 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27