Submission #953048

# Submission time Handle Problem Language Result Execution time Memory
953048 2024-03-25T11:18:14 Z waldi The Big Prize (IOI17_prize) C++17
97.42 / 100
30 ms 6732 KB
#include "prize.h"
#include <bits/stdc++.h>
#define FOR(i,p,k) for(int i=(p);i<=(k);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) (int((x).size()))
#define all(x) (x).begin(),(x).end()
using namespace std;

int find_best(int n){
	vector<vector<int>> tab(n);
	auto zapytaj = [&](int i){
		if(tab[i].empty()) tab[i] = ask(i);
		return tab[i];
	};
	
	if(n <= 5000){
		REP(i, n) if(zapytaj(i)[0]+zapytaj(i)[1] == 0) return i;
		return -69;
	}
	
	int maks = 0;
	REP(i, min(n, 500)){
		int t = zapytaj(i)[0] + zapytaj(i)[1];
		if(!t) return i;
		maks = max(maks, t);
	}
	
	int wynik = -1;
	function<void(int, int, int, int)> zwyciezaj = [&](int p, int k, int przed, int tutaj){
		//~ printf("%d %d  %d %d\n", p, k, przed, tutaj);
		if(wynik>=0 || p>k || !tutaj) return;
		int sr_org = (p+k)>>1;
		
		int sr = sr_org;
		vector<int> t = zapytaj(sr);
		while(1){
			if(t[0]+t[1] == 0) return void(wynik = sr);
			if(t[0]+t[1] == maks) break;
			--sr;
			if(sr < p) break;
			t = zapytaj(sr);
		}
		int lewo = sr>=p ? t[0]-przed : 0;
		
		int roz = sr_org-sr;
		zwyciezaj(p, sr-1, przed, lewo);
		zwyciezaj(sr_org+1, k, przed+lewo+roz, tutaj-lewo-roz);
	};
	zwyciezaj(0, n-1, 0, maks);
	return wynik;
}
# Verdict Execution time Memory Grader output
1 Correct 4 ms 5400 KB Output is correct
2 Correct 4 ms 5396 KB Output is correct
3 Correct 4 ms 5404 KB Output is correct
4 Correct 5 ms 5400 KB Output is correct
5 Correct 5 ms 5404 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 4 ms 5656 KB Output is correct
8 Correct 4 ms 5576 KB Output is correct
9 Correct 4 ms 5408 KB Output is correct
10 Correct 4 ms 5148 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 5156 KB Output is correct
2 Correct 4 ms 5156 KB Output is correct
3 Correct 3 ms 5404 KB Output is correct
4 Correct 5 ms 5156 KB Output is correct
5 Correct 5 ms 5664 KB Output is correct
6 Correct 2 ms 4952 KB Output is correct
7 Correct 3 ms 5412 KB Output is correct
8 Correct 4 ms 5404 KB Output is correct
9 Correct 4 ms 5404 KB Output is correct
10 Correct 5 ms 5160 KB Output is correct
11 Correct 5 ms 5416 KB Output is correct
12 Correct 4 ms 5160 KB Output is correct
13 Correct 8 ms 5400 KB Output is correct
14 Correct 3 ms 1200 KB Output is correct
15 Correct 6 ms 5172 KB Output is correct
16 Correct 21 ms 5728 KB Output is correct
17 Correct 3 ms 5152 KB Output is correct
18 Correct 23 ms 5960 KB Output is correct
19 Correct 4 ms 5408 KB Output is correct
20 Correct 8 ms 2972 KB Output is correct
21 Correct 11 ms 5696 KB Output is correct
22 Correct 6 ms 6180 KB Output is correct
23 Correct 4 ms 5584 KB Output is correct
24 Correct 5 ms 5152 KB Output is correct
25 Correct 13 ms 6200 KB Output is correct
26 Correct 16 ms 5704 KB Output is correct
27 Correct 4 ms 5164 KB Output is correct
28 Correct 20 ms 5980 KB Output is correct
29 Correct 19 ms 5728 KB Output is correct
30 Correct 26 ms 5764 KB Output is correct
31 Correct 4 ms 5404 KB Output is correct
32 Correct 6 ms 5660 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 10 ms 5692 KB Output is correct
35 Correct 4 ms 5660 KB Output is correct
36 Correct 7 ms 5428 KB Output is correct
37 Correct 4 ms 5404 KB Output is correct
38 Correct 4 ms 5156 KB Output is correct
39 Correct 15 ms 5452 KB Output is correct
40 Correct 21 ms 6004 KB Output is correct
41 Correct 16 ms 6196 KB Output is correct
42 Correct 17 ms 5904 KB Output is correct
43 Correct 13 ms 5688 KB Output is correct
44 Correct 12 ms 5944 KB Output is correct
45 Correct 9 ms 5436 KB Output is correct
46 Correct 3 ms 5412 KB Output is correct
47 Correct 13 ms 5924 KB Output is correct
48 Correct 22 ms 5680 KB Output is correct
49 Correct 5 ms 5396 KB Output is correct
50 Correct 29 ms 5464 KB Output is correct
51 Correct 16 ms 5680 KB Output is correct
52 Correct 4 ms 5164 KB Output is correct
53 Correct 5 ms 5404 KB Output is correct
54 Correct 17 ms 5660 KB Output is correct
55 Correct 4 ms 5408 KB Output is correct
56 Correct 26 ms 5988 KB Output is correct
57 Correct 22 ms 5464 KB Output is correct
58 Correct 23 ms 5676 KB Output is correct
59 Correct 19 ms 5688 KB Output is correct
60 Correct 12 ms 5972 KB Output is correct
61 Correct 5 ms 5400 KB Output is correct
62 Correct 4 ms 5660 KB Output is correct
63 Correct 4 ms 5404 KB Output is correct
64 Correct 5 ms 5152 KB Output is correct
65 Correct 4 ms 5408 KB Output is correct
66 Correct 7 ms 6100 KB Output is correct
67 Correct 5 ms 5408 KB Output is correct
68 Correct 3 ms 5156 KB Output is correct
69 Correct 7 ms 5668 KB Output is correct
70 Correct 4 ms 5400 KB Output is correct
71 Partially correct 25 ms 6284 KB Partially correct - number of queries: 5258
72 Correct 6 ms 5168 KB Output is correct
73 Partially correct 30 ms 5720 KB Partially correct - number of queries: 5195
74 Partially correct 30 ms 5988 KB Partially correct - number of queries: 5222
75 Correct 4 ms 5168 KB Output is correct
76 Correct 20 ms 5696 KB Output is correct
77 Correct 26 ms 6172 KB Output is correct
78 Correct 6 ms 5656 KB Output is correct
79 Correct 16 ms 5720 KB Output is correct
80 Correct 25 ms 6732 KB Output is correct
81 Correct 24 ms 6184 KB Output is correct
82 Correct 30 ms 5672 KB Output is correct
83 Correct 5 ms 5656 KB Output is correct
84 Correct 22 ms 6184 KB Output is correct
85 Correct 20 ms 5792 KB Output is correct
86 Correct 5 ms 5920 KB Output is correct
87 Correct 5 ms 5656 KB Output is correct
88 Correct 4 ms 5400 KB Output is correct
89 Correct 4 ms 5404 KB Output is correct
90 Correct 5 ms 5656 KB Output is correct
91 Correct 5 ms 5404 KB Output is correct
92 Correct 3 ms 5656 KB Output is correct
93 Correct 6 ms 5908 KB Output is correct
94 Correct 5 ms 5156 KB Output is correct
95 Correct 5 ms 5412 KB Output is correct
96 Correct 5 ms 5664 KB Output is correct
97 Correct 4 ms 5404 KB Output is correct