Submission #931911

# Submission time Handle Problem Language Result Execution time Memory
931911 2024-02-22T14:30:30 Z Lobo The Big Prize (IOI17_prize) C++17
90 / 100
38 ms 2304 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
map<int,pair<int,pair<int,int>>> qr;
 
int cnt = 0;
int cntnonlol;
int n;
pair<int,pair<int,int>> query(int i) {
	if(i == n) return mp(cntnonlol,mp(cntnonlol,0));
	if(qr.count(i)) return qr[i];
	++cnt;
	vector<int> perg = ask(i);
	return qr[i] = mp(perg[0]+perg[1],mp(perg[0],perg[1]));
}
 
int find_best(int N) {
 	n = N;
 	if(n <= 5000) {
 		for(int i = 0; i < n; i++) {
 			if(query(i).fr == 0) return i;
 		}
 	}
 	int S = n/200;
 	stack<pair<int,int>> q;

 	for(int i = 0; i*S < n; i++) {
 		// i*S,(i+1)*S
 		int l = i*S;
 		int r = min(n-1,(i+1)*S);

		q.push(mp(l,r));
 	}

 	while(q.size()) {
 		int l = q.top().fr;
 		int r = q.top().sc;
 		q.pop();
 		if(l > r) continue;

 		if(query(l).fr == 0) return l;
 		if(query(r).fr == 0) return r;
 		if(r-l+1 <= 2) continue;

 		if(query(l) == query(r)) continue;
 		// int mid = (l+r)/2;
 		// q.push(mp(l,mid));
 		// q.push(mp(mid,r));

 		int ml = (2*l+r)/3;
 		int mr = (l+2*r)/3;
 		q.push(mp(l,ml));
 		q.push(mp(ml,mr));
 		q.push(mp(mr,r));
 	}

 	assert(false);
 	return -1;


}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 436 KB Output is correct
2 Correct 1 ms 444 KB Output is correct
3 Correct 1 ms 444 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 436 KB Output is correct
6 Correct 1 ms 440 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 1 ms 444 KB Output is correct
9 Correct 1 ms 436 KB Output is correct
10 Correct 1 ms 452 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 440 KB Output is correct
2 Correct 1 ms 436 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 612 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 436 KB Output is correct
8 Correct 1 ms 440 KB Output is correct
9 Correct 1 ms 444 KB Output is correct
10 Correct 1 ms 452 KB Output is correct
11 Correct 2 ms 452 KB Output is correct
12 Correct 3 ms 1216 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 5 ms 1208 KB Output is correct
15 Correct 26 ms 1596 KB Output is correct
16 Correct 4 ms 980 KB Output is correct
17 Partially correct 30 ms 1976 KB Partially correct - number of queries: 6046
18 Correct 0 ms 344 KB Output is correct
19 Partially correct 25 ms 1500 KB Partially correct - number of queries: 5712
20 Correct 12 ms 984 KB Output is correct
21 Correct 17 ms 1272 KB Output is correct
22 Correct 23 ms 1012 KB Output is correct
23 Correct 2 ms 868 KB Output is correct
24 Correct 3 ms 728 KB Output is correct
25 Correct 11 ms 1492 KB Output is correct
26 Correct 11 ms 1312 KB Output is correct
27 Correct 1 ms 440 KB Output is correct
28 Correct 1 ms 436 KB Output is correct
29 Correct 3 ms 692 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Partially correct 28 ms 1452 KB Partially correct - number of queries: 6021
32 Correct 1 ms 440 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 22 ms 1500 KB Output is correct
35 Correct 1 ms 440 KB Output is correct
36 Correct 30 ms 1184 KB Output is correct
37 Correct 3 ms 984 KB Output is correct
38 Correct 2 ms 448 KB Output is correct
39 Correct 16 ms 2304 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 13 ms 984 KB Output is correct
42 Correct 13 ms 1308 KB Output is correct
43 Correct 15 ms 828 KB Output is correct
44 Correct 19 ms 1360 KB Output is correct
45 Correct 17 ms 1104 KB Output is correct
46 Partially correct 31 ms 1580 KB Partially correct - number of queries: 6024
47 Correct 18 ms 1004 KB Output is correct
48 Correct 8 ms 732 KB Output is correct
49 Partially correct 28 ms 1984 KB Partially correct - number of queries: 5554
50 Correct 1 ms 344 KB Output is correct
51 Correct 22 ms 1260 KB Output is correct
52 Partially correct 33 ms 1292 KB Partially correct - number of queries: 6015
53 Correct 1 ms 344 KB Output is correct
54 Correct 20 ms 1032 KB Output is correct
55 Partially correct 27 ms 1760 KB Partially correct - number of queries: 6008
56 Correct 0 ms 344 KB Output is correct
57 Correct 8 ms 1268 KB Output is correct
58 Correct 8 ms 764 KB Output is correct
59 Correct 14 ms 1304 KB Output is correct
60 Correct 14 ms 1324 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 2 ms 696 KB Output is correct
63 Correct 1 ms 344 KB Output is correct
64 Correct 1 ms 696 KB Output is correct
65 Correct 0 ms 600 KB Output is correct
66 Correct 1 ms 344 KB Output is correct
67 Correct 1 ms 500 KB Output is correct
68 Correct 1 ms 688 KB Output is correct
69 Correct 0 ms 428 KB Output is correct
70 Correct 1 ms 424 KB Output is correct
71 Partially correct 31 ms 964 KB Partially correct - number of queries: 5792
72 Correct 4 ms 732 KB Output is correct
73 Partially correct 31 ms 1180 KB Partially correct - number of queries: 5715
74 Partially correct 33 ms 1484 KB Partially correct - number of queries: 5748
75 Correct 2 ms 448 KB Output is correct
76 Correct 23 ms 964 KB Output is correct
77 Partially correct 34 ms 1444 KB Partially correct - number of queries: 6172
78 Correct 4 ms 968 KB Output is correct
79 Correct 18 ms 1304 KB Output is correct
80 Partially correct 33 ms 1576 KB Partially correct - number of queries: 6166
81 Partially correct 35 ms 1676 KB Partially correct - number of queries: 6270
82 Partially correct 38 ms 1488 KB Partially correct - number of queries: 6156
83 Correct 1 ms 436 KB Output is correct
84 Partially correct 29 ms 1504 KB Partially correct - number of queries: 5136
85 Partially correct 35 ms 1780 KB Partially correct - number of queries: 6178
86 Correct 6 ms 696 KB Output is correct
87 Correct 2 ms 440 KB Output is correct
88 Correct 5 ms 880 KB Output is correct
89 Correct 5 ms 1212 KB Output is correct
90 Correct 2 ms 436 KB Output is correct
91 Correct 1 ms 616 KB Output is correct
92 Correct 2 ms 612 KB Output is correct
93 Correct 3 ms 716 KB Output is correct
94 Correct 4 ms 448 KB Output is correct
95 Correct 4 ms 968 KB Output is correct
96 Correct 4 ms 708 KB Output is correct
97 Correct 1 ms 344 KB Output is correct