Submission #843132

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
843132	2023-09-03 17:44:36	mickey080929	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	13 ms	1112 KiB

longesttrip

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#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector<vector<int>> lines;
vector<int> chk;
vector<int> head;
bool ask(int u, int v) {
    if (u == v) return true;
    return are_connected({u}, {v});
}
int Get() {
    for (int i=0; i<n; i++) {
        if (!chk[i]) return i;
    }
    return -1;
}
int Get2() {
    for (int i=0; i<n; i++) {
        if (head[i]) return i;
    }
    return -1;
}
void make_groups() {
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:132:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  132 |         int mid = lo + hi >> 1;
      |                   ~~~^~~~
longesttrip.cpp:144:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  144 |         int mid = lo + hi >> 1;
      |                   ~~~^~~~

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