Submission #557615

#	Time	Username	Problem	Language	Result	Execution time	Memory
557615		Mounir	A Difficult(y) Choice (BOI21_books)	C++14	0 / 100	2 ms	328 KiB

books

#include <bits/stdc++.h>
#include "books.h"
#define all(v) v.begin(), v.end()
#define sz(x) (int)x.size()
#define pb push_back
#define pii pair<int, int>
#define chmin(x, v) x = min(x, v)
#define chmax(x, v) x = max(x, v)
#define print(x) cout << #x << " est " << x << endl;
#define x first
#define y second
#define int long long
using namespace std;
 
map<int, int> tmp;
 
int getVal(int i){
    if (tmp.count(i) == 0)
        tmp[i] = skim(i);
    return tmp[i];
}
 
void solve(signed nLivres, signed aPrendre, long long borneInf, signed S) {
    int deb = 1, fin = nLivres - aPrendre + 1;
    while (fin > deb){
        int mid = (fin + deb)/2;
        int sum = 0;
        bool trop = false;
        for (int i = 0; i < aPrendre; ++i){
            sum += getVal(i + mid);
            trop |= (sum > 2 * borneInf);
        }
        if (!trop && sum >= borneInf && sum <= 2 * borneInf){
            vector<signed> ans;
            for (int i = 0; i < aPrendre; ++i)
                ans.pb(i + mid);
            answer(ans);
            return;
        }
        
        if (trop)
            fin = mid - 1;
        else
            deb = mid + 1;
    }
    impossible();
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20