제출 #908116

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
908116	2024-01-16 08:08:41	Alfraganus	Two Currencies (JOI23_currencies)	C++17	38 / 100	504 ms	55676 KiB

currencies

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#pragma GCC optimize("unroll-loops")
#pragma gcc optimize("Ofast")
#pragma GCC optimization("Ofast")
#pragma optimize(Ofast)
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define str string
#define fastio ios::sync_with_stdio(0), cin.tie(0);
#define fs first
#define ss second
#define endl '\n'
#define all(x) (x).begin(), (x).end()
#define len(x) x.size()
#define print(a)          \
    for (auto &x : a)     \
        cout << x << " "; \
    cout << endl;
#define printmp(a)    \
    for (auto &x : a) \
        cout << x.fs << " " << x.ss << endl;
const int mod = 998244353;
vector<vector<pair<int, int>>> tree;
vector<int> degree, c;
vector<pair<int, int>> p;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

currencies.cpp:2: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    2 | #pragma gcc optimize("Ofast")
      | 
currencies.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("Ofast")
      | 
currencies.cpp:4: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    4 | #pragma optimize(Ofast)
      | 
currencies.cpp: In constructor 'Lowest_Common_Ancestor::Lowest_Common_Ancestor()':
currencies.cpp:89:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |         for (int j = 1; j < LCA[0].size(); j++)
      |                         ~~^~~~~~~~~~~~~~~
currencies.cpp:90:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |             for (int i = 1; i <= tree.size() - 1; i++)
      |                             ~~^~~~~~~~~~~~~~~~~~
currencies.cpp: In function 'void solve()':
currencies.cpp:165:30: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  165 |             for(int j = 0; j < c.size(); j ++){
      |                            ~~^~~~~~~~~~
currencies.cpp:186:44: warning: 'w' may be used uninitialized in this function [-Wmaybe-uninitialized]
  186 |             int p = y / w, q = l.lca(s, t) / w;
      |                                ~~~~~~~~~~~~^~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 0 / 30
• Subtask 4: 0 / 32