Submission #688298

#	Time	Username	Problem	Language	Result	Execution time	Memory
688298		saayan007	Lost in the cycle (IOI19_cycle)	C++17	0 / 100	1 ms	208 KiB

cycle

#include "cycle.h"

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

using ll = long long;
using pi = pair<int, int>;
using pl = pair<long long, long long>;
using vi = vector<int>;
using vl = vector<long long>;
using vpi = vector<pair<int, int>>;
using vpl = vector<pair<long long, long long>>;

#define fur(i, a, b) for(ll i = a; i <= (ll)b; ++i)
#define ruf(i, a, b) for(ll i = a; i >= (ll)b; --i)
#define fr first 
#define sc second
#define mp make_pair
#define pb emplace_back
#define nl "\n"
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

void escape(int n) {
    ll cur = 0;
    if(jump(1)) {
        cur += 1;
        while(jump(1)) {
            cur += 1;
        }
        jump(n - 1);
    } else {
        ++cur;
        while(!jump(1)) {
            ++cur;
        }
        ++cur;
        cur += n/2 - 1;
    }
    return;
    // ll lo = 0;
    // ll hi = n - 1;
    // ll cur = 0;
    // ll x = 0;
    // while(lo != hi) {
        // // wanna check if [lo, mid] is doable
        // ll mid = (lo + hi) / 2;
// 
        // // so need to jump to mid - n/2
        // ll y = mid - n/2;
        // if(y < 0)
            // y += n;
// 
        // // the dist I need to jump by to get to y = mid - n/2
        // x = y - cur;
        // if(x < 0)
            // x += n;
        // // cout << cur << ' ' << lo << ' ' << mid << ' ' << hi << ' ' << y << ' ' << x << nl;
// 
        // if(jump(x)) {
            // hi = mid;
        // } else {
            // lo = mid + 1;
        // }
        // (cur += x) %= n;
    // }
// 
    // ll y = lo;
    // x = y - cur;
    // if(x < 0)
        // x += n;
    // jump(x);
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 33
• Subtask 3: 0 / 56