Submission #632012

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
632012	2022-08-19 09:59:20	typ_ik	Thousands Islands (IOI22_islands)	C++17	5 / 100	34 ms	4424 KiB

islands

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#include "islands.h"
#include <bits/stdc++.h>
#include <variant>
#define ll long long
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define watch(x) cout << (#x) << " = " << x << '\n'
#define boost ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using namespace std;
map < pair<int,int>,vector<int> > cnt;
vector < int > ans;
bool ok = true;
void dfs(int a,int b){
    pair<int,int> A = {a, b};
    pair<int,int> B = {b, a};
    if(cnt[A].size() == 0){
        ok = false; return;
    }
    ans.push_back(cnt[A][0]);
}
void go(int a,int b){
    pair<int,int> A = {a,b};
 
 
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Compilation message (stderr)

islands.cpp: In function 'void dfs(int, int)':
islands.cpp:20:19: warning: variable 'B' set but not used [-Wunused-but-set-variable]
   20 |     pair<int,int> B = {b, a};
      |                   ^

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45