Submission #578209

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
578209	2022-06-16 08:23:48	IvanJ	Stranded Far From Home (BOI22_island)	C++17	100 / 100	183 ms	25508 KiB

island

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#include<bits/stdc++.h>
#define pb push_back
#define x first
#define y second
#define all(a) (a).begin(), (a).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
const int maxn = 2e5 + 5;
int n, m, P;
ll S[maxn];
int par[maxn];
ll M[maxn];
vector<int> W[maxn];
vector<pair<pair<ll, ll>, ii>> E;
int ans[maxn];
int find(int x) {return (par[x] == x) ? x : par[x] = find(par[x]);}
void merge(int x, int y) {
  x = find(x), y = find(y);
  if(x == y) return;
  if(W[x].size() < W[y].size()) 
    swap(x, y);
  
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

island.cpp: In function 'int main()':
island.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |  scanf("%d%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~
island.cpp:45:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |   scanf("%lld", S + i);
      |   ~~~~~^~~~~~~~~~~~~~~
island.cpp:48:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |   scanf("%d%d", &x, &y);
      |   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35