Submission #931893

# Submission time Handle Problem Language Result Execution time Memory
931893 2024-02-22T14:14:35 Z Lobo The Big Prize (IOI17_prize) C++17
99.32 / 100
31 ms 2292 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/420;
 	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));
 	}

 	assert(false);
 	return -1;


}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 700 KB Output is correct
2 Correct 1 ms 696 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 432 KB Output is correct
6 Correct 2 ms 456 KB Output is correct
7 Correct 1 ms 436 KB Output is correct
8 Correct 1 ms 436 KB Output is correct
9 Correct 1 ms 692 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 956 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 440 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 2 ms 440 KB Output is correct
6 Correct 3 ms 944 KB Output is correct
7 Correct 1 ms 440 KB Output is correct
8 Correct 1 ms 440 KB Output is correct
9 Correct 1 ms 692 KB Output is correct
10 Correct 3 ms 960 KB Output is correct
11 Correct 2 ms 440 KB Output is correct
12 Correct 4 ms 964 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 4 ms 948 KB Output is correct
15 Correct 21 ms 1520 KB Output is correct
16 Correct 5 ms 704 KB Output is correct
17 Partially correct 27 ms 1596 KB Partially correct - number of queries: 5063
18 Correct 1 ms 344 KB Output is correct
19 Correct 24 ms 1336 KB Output is correct
20 Correct 10 ms 1016 KB Output is correct
21 Correct 21 ms 1104 KB Output is correct
22 Correct 15 ms 1368 KB Output is correct
23 Correct 2 ms 456 KB Output is correct
24 Correct 3 ms 720 KB Output is correct
25 Correct 10 ms 812 KB Output is correct
26 Correct 10 ms 1268 KB Output is correct
27 Correct 2 ms 456 KB Output is correct
28 Correct 1 ms 696 KB Output is correct
29 Correct 3 ms 628 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Partially correct 27 ms 1628 KB Partially correct - number of queries: 5006
32 Correct 1 ms 444 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 17 ms 992 KB Output is correct
35 Correct 1 ms 956 KB Output is correct
36 Correct 22 ms 1012 KB Output is correct
37 Correct 3 ms 468 KB Output is correct
38 Correct 2 ms 452 KB Output is correct
39 Correct 14 ms 1028 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 10 ms 992 KB Output is correct
42 Correct 12 ms 1244 KB Output is correct
43 Correct 10 ms 1044 KB Output is correct
44 Correct 19 ms 1284 KB Output is correct
45 Correct 15 ms 1328 KB Output is correct
46 Partially correct 24 ms 1176 KB Partially correct - number of queries: 5045
47 Correct 14 ms 976 KB Output is correct
48 Correct 7 ms 728 KB Output is correct
49 Correct 21 ms 1204 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 16 ms 1296 KB Output is correct
52 Partially correct 31 ms 1108 KB Partially correct - number of queries: 5037
53 Correct 1 ms 436 KB Output is correct
54 Correct 15 ms 1032 KB Output is correct
55 Partially correct 30 ms 1976 KB Partially correct - number of queries: 5008
56 Correct 0 ms 344 KB Output is correct
57 Correct 6 ms 528 KB Output is correct
58 Correct 9 ms 1476 KB Output is correct
59 Correct 11 ms 1228 KB Output is correct
60 Correct 10 ms 1256 KB Output is correct
61 Correct 1 ms 436 KB Output is correct
62 Correct 2 ms 700 KB Output is correct
63 Correct 1 ms 444 KB Output is correct
64 Correct 1 ms 440 KB Output is correct
65 Correct 0 ms 600 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 0 ms 344 KB Output is correct
68 Correct 2 ms 456 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 1 ms 344 KB Output is correct
71 Correct 24 ms 1384 KB Output is correct
72 Correct 3 ms 724 KB Output is correct
73 Correct 22 ms 928 KB Output is correct
74 Correct 21 ms 1460 KB Output is correct
75 Correct 3 ms 460 KB Output is correct
76 Correct 22 ms 1080 KB Output is correct
77 Partially correct 24 ms 1616 KB Partially correct - number of queries: 5020
78 Correct 4 ms 1212 KB Output is correct
79 Correct 14 ms 1280 KB Output is correct
80 Partially correct 26 ms 1972 KB Partially correct - number of queries: 5064
81 Partially correct 28 ms 1204 KB Partially correct - number of queries: 5068
82 Correct 27 ms 1344 KB Output is correct
83 Correct 2 ms 952 KB Output is correct
84 Correct 24 ms 1336 KB Output is correct
85 Partially correct 24 ms 2292 KB Partially correct - number of queries: 5063
86 Correct 2 ms 696 KB Output is correct
87 Correct 2 ms 436 KB Output is correct
88 Correct 2 ms 696 KB Output is correct
89 Correct 2 ms 696 KB Output is correct
90 Correct 3 ms 688 KB Output is correct
91 Correct 2 ms 948 KB Output is correct
92 Correct 2 ms 688 KB Output is correct
93 Correct 3 ms 1224 KB Output is correct
94 Correct 4 ms 972 KB Output is correct
95 Correct 3 ms 480 KB Output is correct
96 Correct 4 ms 700 KB Output is correct
97 Correct 0 ms 440 KB Output is correct