Submission #931921

# Submission time Handle Problem Language Result Execution time Memory
931921 2024-02-22T14:40:15 Z Lobo The Big Prize (IOI17_prize) C++17
99.22 / 100
35 ms 2084 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;
 	priority_queue<pair<pair<int,int>,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(mp(-min(query(l).fr,query(r).fr),query(r).sc.fr-query(l).sc.fr),mp(l,r)));
 	}

 	while(q.size()) {
 		int l = q.top().sc.fr;
 		int r = q.top().sc.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;
 		if(l <= mid) q.push(mp(mp(-min(query(l).fr,query(mid).fr),query(mid).sc.fr-query(l).sc.fr),mp(l,mid)));
 		if(mid <= r) q.push(mp(mp(-min(query(mid).fr,query(r).fr),query(r).sc.fr-query(mid).sc.fr),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 2 ms 712 KB Output is correct
2 Correct 3 ms 696 KB Output is correct
3 Correct 3 ms 1216 KB Output is correct
4 Correct 2 ms 720 KB Output is correct
5 Correct 2 ms 956 KB Output is correct
6 Correct 2 ms 716 KB Output is correct
7 Correct 2 ms 456 KB Output is correct
8 Correct 2 ms 704 KB Output is correct
9 Correct 3 ms 440 KB Output is correct
10 Correct 2 ms 456 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 716 KB Output is correct
2 Correct 2 ms 712 KB Output is correct
3 Correct 2 ms 692 KB Output is correct
4 Correct 2 ms 460 KB Output is correct
5 Correct 2 ms 692 KB Output is correct
6 Correct 2 ms 720 KB Output is correct
7 Correct 2 ms 456 KB Output is correct
8 Correct 2 ms 712 KB Output is correct
9 Correct 2 ms 456 KB Output is correct
10 Correct 2 ms 704 KB Output is correct
11 Correct 4 ms 716 KB Output is correct
12 Correct 3 ms 724 KB Output is correct
13 Correct 2 ms 456 KB Output is correct
14 Correct 5 ms 952 KB Output is correct
15 Correct 29 ms 1508 KB Output is correct
16 Correct 9 ms 948 KB Output is correct
17 Partially correct 31 ms 1528 KB Partially correct - number of queries: 5063
18 Correct 3 ms 472 KB Output is correct
19 Correct 30 ms 1172 KB Output is correct
20 Correct 16 ms 748 KB Output is correct
21 Correct 20 ms 1212 KB Output is correct
22 Correct 18 ms 1136 KB Output is correct
23 Correct 2 ms 716 KB Output is correct
24 Correct 3 ms 476 KB Output is correct
25 Correct 15 ms 1036 KB Output is correct
26 Correct 13 ms 1352 KB Output is correct
27 Correct 3 ms 952 KB Output is correct
28 Correct 6 ms 976 KB Output is correct
29 Correct 6 ms 720 KB Output is correct
30 Correct 3 ms 696 KB Output is correct
31 Partially correct 26 ms 1236 KB Partially correct - number of queries: 5006
32 Correct 3 ms 712 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 23 ms 1256 KB Output is correct
35 Correct 2 ms 720 KB Output is correct
36 Correct 24 ms 1316 KB Output is correct
37 Correct 5 ms 1212 KB Output is correct
38 Correct 2 ms 708 KB Output is correct
39 Correct 17 ms 1264 KB Output is correct
40 Correct 2 ms 712 KB Output is correct
41 Correct 13 ms 1488 KB Output is correct
42 Correct 13 ms 1096 KB Output is correct
43 Correct 18 ms 1552 KB Output is correct
44 Correct 20 ms 712 KB Output is correct
45 Correct 20 ms 1236 KB Output is correct
46 Partially correct 29 ms 1720 KB Partially correct - number of queries: 5045
47 Correct 15 ms 1248 KB Output is correct
48 Correct 13 ms 1760 KB Output is correct
49 Correct 25 ms 1504 KB Output is correct
50 Correct 3 ms 956 KB Output is correct
51 Correct 18 ms 992 KB Output is correct
52 Partially correct 30 ms 1912 KB Partially correct - number of queries: 5040
53 Correct 2 ms 712 KB Output is correct
54 Correct 16 ms 728 KB Output is correct
55 Partially correct 26 ms 1260 KB Partially correct - number of queries: 5008
56 Correct 2 ms 948 KB Output is correct
57 Correct 8 ms 1032 KB Output is correct
58 Correct 10 ms 1260 KB Output is correct
59 Correct 13 ms 988 KB Output is correct
60 Correct 14 ms 1320 KB Output is correct
61 Correct 2 ms 696 KB Output is correct
62 Correct 2 ms 696 KB Output is correct
63 Correct 3 ms 432 KB Output is correct
64 Correct 2 ms 460 KB Output is correct
65 Correct 3 ms 868 KB Output is correct
66 Correct 2 ms 972 KB Output is correct
67 Correct 2 ms 716 KB Output is correct
68 Correct 2 ms 712 KB Output is correct
69 Correct 2 ms 716 KB Output is correct
70 Correct 2 ms 1212 KB Output is correct
71 Correct 24 ms 1644 KB Output is correct
72 Correct 3 ms 984 KB Output is correct
73 Correct 25 ms 1188 KB Output is correct
74 Correct 29 ms 1420 KB Output is correct
75 Correct 2 ms 472 KB Output is correct
76 Correct 19 ms 1160 KB Output is correct
77 Partially correct 31 ms 1268 KB Partially correct - number of queries: 5078
78 Correct 4 ms 712 KB Output is correct
79 Correct 12 ms 1236 KB Output is correct
80 Partially correct 35 ms 1764 KB Partially correct - number of queries: 5054
81 Partially correct 29 ms 1900 KB Partially correct - number of queries: 5059
82 Partially correct 23 ms 1596 KB Partially correct - number of queries: 5047
83 Correct 2 ms 432 KB Output is correct
84 Correct 24 ms 2084 KB Output is correct
85 Partially correct 27 ms 1524 KB Partially correct - number of queries: 5032
86 Correct 2 ms 688 KB Output is correct
87 Correct 2 ms 688 KB Output is correct
88 Correct 2 ms 948 KB Output is correct
89 Correct 2 ms 952 KB Output is correct
90 Correct 2 ms 688 KB Output is correct
91 Correct 2 ms 944 KB Output is correct
92 Correct 2 ms 692 KB Output is correct
93 Correct 4 ms 964 KB Output is correct
94 Correct 5 ms 1232 KB Output is correct
95 Correct 5 ms 992 KB Output is correct
96 Correct 5 ms 692 KB Output is correct
97 Correct 3 ms 948 KB Output is correct