Submission #441433

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
441433	2021-07-05 07:40:13	SorahISA	Fountain Parks (IOI21_parks)	C++17	45 / 100	983 ms	68408 KiB

parks

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#include "parks.h"
#pragma GCC optimize("Ofast", "unroll-loops")
#include <bits/stdc++.h>
using namespace std;
// #define int long long
// #define double long double
using pii = pair<int, int>;
template<typename T>
using Prior = std::priority_queue<T>;
template<typename T>
using prior = std::priority_queue<T, vector<T>, greater<T>>;
// #define X first
// #define Y second
#define eb emplace_back
#define pb pop_back
#define pf pop_front
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
namespace {
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 2E5 + 5;
const int dx[] = {2, 0, -2,  0};
const int dy[] = {0, 2,  0, -2};
map<pii, int> fountain, bench;
 
 
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Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:83:32: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   83 |             int midY = Y[u[i]] + Y[v[i]] >> 1;
parks.cpp:93:32: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   93 |             int midX = X[u[i]] + X[v[i]] >> 1;

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20
• Subtask 6: 0 / 30