Submission #590466

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
590466	2022-07-06 01:20:04	tamthegod	Xylophone (JOI18_xylophone)	C++14	47 / 100	73 ms	328 KiB

xylophone

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#include<bits/stdc++.h>
#include "xylophone.h"
#define pb push_back
#define fi first
#define se second
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 5000 + 5;
const int mod = 1e9 + 7;
const ll oo = 1e18;
int res[maxN];
void solve(int n)
{
    int low = 1, high = n, mid;
    while(low <= high)
    {
        mid = (low + high) / 2;
        if(query(mid, n) == n - 1) low = mid + 1;
        else high = mid -1;
    }
    low--;
    res[low] = 1;
    //cout << query(1, 2);exit(0);
    if(low > 1)
    {
        res[low - 1] = 1 + query(low - 1, low);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 36 / 36
• Subtask 3: 0 / 53