Submission #847604

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
847604	2023-09-10 04:08:37	dlalswp25	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	11 ms	856 KiB

longesttrip

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#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
bool ask(vector<int> a, vector<int> b) {
    if (!a.size() || !b.size()) return false;
    return are_connected(a, b);
}
bool adj(int a, int b) {
    return ask({a}, {b});
}
std::vector<int> longest_trip(int N, int D)
{
    vector<int> A = {0}, B;
    for (int i = 1; i < N; i++) {
        if (!B.size()) {
            (adj(A.back(), i) ? A : B).push_back(i);
        } else if (!adj(A.back(), i)) {
            B.push_back(i);
        } else if (i < N - 1) {
            int j = i++;
            if (adj(B.back(), i)) {
                A.push_back(j);
                B.push_back(i);
                if (adj(j, i)) {
                    while (B.size()) {
                        A.push_back(B.back());
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:67:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |         for (int i = 0; i < X.size(); i++) {
      |                         ~~^~~~~~~~~~
longesttrip.cpp:68:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |             if (i < X.size() / 2) L.push_back(X[i]);
      |                 ~~^~~~~~~~~~~~~~
longesttrip.cpp:78:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |         for (int i = 0; i < X.size(); i++) {
      |                         ~~^~~~~~~~~~
longesttrip.cpp:79:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |             if (i < X.size() / 2) L.push_back(X[i]);
      |                 ~~^~~~~~~~~~~~~~
longesttrip.cpp:88:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |     for (i = 0; i < A.size(); i++) {
      |                 ~~^~~~~~~~~~
longesttrip.cpp:96:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |     for (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