Submission #641747

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
641747	2022-09-17 14:21:13	jamezzz	Thousands Islands (IOI22_islands)	C++17	100 / 100	238 ms	44168 KiB

islands

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#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#define dbg(...) printf(__VA_ARGS__);
#define getchar_unlocked getchar
#else
#define dbg(...)
#endif
#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb push_back
#define psf push_front
#define ppb pop_back
#define ppf pop_front
#define sz(x) (int)x.size()
#define mnto(x,y) x=min(x,(__typeof__(x))y)
#define mxto(x,y) x=max(x,(__typeof__(x))y)
#define INF 1023456789
#define LINF 1023456789123456789
#define all(x) x.begin(),x.end()
#define lb(x,v) (lower_bound(all(x),v)-x.begin())
#define ub(x,v) (upper_bound(all(x),v)-x.begin())
#define disc(x) sort(all(x));x.resize(unique(all(x))-x.begin());
typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
 
 
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Compilation message (stderr)

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, vi, vi)':
islands.cpp:176:11: warning: unused variable 'u2' [-Wunused-variable]
  176 |       int u2=U[id],v2=V[id];
      |           ^~
islands.cpp:171:16: warning: unused variable 'v' [-Wunused-variable]
  171 |     int u=U[i],v=V[i];
      |                ^

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 21 / 21
• Subtask 4: 24 / 24
• Subtask 5: 45 / 45