Submission #854207

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
854207	2023-09-26 11:25:05	boris_mihov	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	10 ms	1128 KiB

longesttrip

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#include "longesttrip.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <random>
#include <vector>
typedef long long llong;
const int MAXN = 256 + 10;
const llong INF = 1e18;
const int INTINF = 1e9;
int n;
std::mt19937 rng(420);
std::vector <int> perm;
std::vector <int> convert(const std::vector <int> &v)
{
    std::vector <int> res;
    for (const int &i : v) res.push_back(perm[i]);
    return res;
}
bool areConnected(std::vector <int> a, std::vector <int> b)
{
    std::vector <int> A, B;
    for (const int &i : a) A.push_back(perm[i]);
    for (const int &i : b) B.push_back(perm[i]);
    return are_connected(A, B);
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:153:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  153 |         for (int i = 0 ; i < b.size() ; ++i)
      |                          ~~^~~~~~~~~~
longesttrip.cpp:165:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  165 |         for (int i = 0 ; i < b.size() ; ++i)
      |                          ~~^~~~~~~~~~
longesttrip.cpp:175:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  175 |         for (int i = 0 ; i < b.size() ; ++i)
      |                          ~~^~~~~~~~~~
longesttrip.cpp:218:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  218 |     for (int i = 0 ; i < b.size() ; ++i)
      |                      ~~^~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 25 / 25
• Subtask 4: 60 / 60