Submission #976022

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
976022	2024-05-06 05:22:17	josanneo22	Swapping Cities (APIO20_swap)	C++17	37 / 100	2089 ms	9160 KiB

swap

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#include "swap.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
struct dsu {
   vector<int> fa, sz, mx_deg;
   vector<bool> ok;
   dsu(int n) {
      fa.resize(n + 10);
      iota(fa.begin(), fa.end(), 0);
      sz.assign(n + 10, 1);
      mx_deg.assign(n + 10, 0);
      ok.assign(n + 10, false);
   }
   int find(int x) {
      while (x != fa[x]) x = fa[x] = fa[fa[x]];
      return x;
   }
   bool merge(int x, int y) {
      int px = find(x), py = find(y);
      if (px == py) return false;
      if (sz[py] > sz[px]) swap(px, py);
      sz[px] += sz[py]; fa[py] = px;
      mx_deg[px] = max(mx_deg[px], mx_deg[py]);
      if (mx_deg[px] >= 3) ok[px] = true;
      return true;
   }
   bool same(int x, int y) {
      int px = find(x), py = find(y);
 
 
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Compilation message (stderr)

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:46:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |    for (int i = 0; i < edges.size(); i++) {
      |                    ~~^~~~~~~~~~~~~~

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