제출 #823749

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
823749	2023-08-13 04:35:20	becaido	Fountain Parks (IOI21_parks)	C++17	100 / 100	466 ms	42664 KiB

parks

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#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
#ifndef WAIMAI
#include "parks.h"
#endif
#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif
#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second
#ifdef WAIMAI
void build(vector<int> u, vector<int> v, vector<int> a, vector<int> b);
#endif
const int SIZE = 2e5 + 5;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:16:20: warning: statement has no effect [-Wunused-value]
   16 | #define debug(...) 7122
      |                    ^~~~
parks.cpp:66:9: note: in expansion of macro 'debug'
   66 |         debug(a, b, x[a], y[a], x[b], y[b]);
      |         ^~~~~
parks.cpp:87:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   87 |     if (u.size() != n - 1) return 0;
      |         ~~~~~~~~~^~~~~~~~

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