Submission #1074661

#	Time	Username	Problem	Language	Result	Execution time	Memory
1074661		wood	Highway Tolls (IOI18_highway)	C++17	6 / 100	67 ms	2540 KiB

highway

#include "highway.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> p32;
typedef pair<ll,ll> p64;
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define vi vector<int>
#define vp32 vector<p32>
#define fast_cin() ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define MOD %1000000007
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template <class T>
using Tree =
    tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//never guess
//never debug without reviewing code
//never try adding ones or substracting them
//only step by step debug when necessay


void find_pair(int N, std::vector<int> U, std::vector<int> V, int A, int B) {
    int m = U.size(), n = N;
    vi w(m);
    ll cost = ask(w);
    int l = -1, r = n-1;
    while(r-l>1){
        int mid = (r+l)/2;
        vi souel(m);
        for(int i = l+1; i<=mid;i++){
            souel[i] = true;
        }
        if(ask(souel)==cost) l = mid;
        else r = mid;
    }
    answer(r,r+cost/A);
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 6 / 6
• Subtask 4: 0 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31