Submission #987065

# Submission time Handle Problem Language Result Execution time Memory
987065 2024-05-21T19:16:04 Z VMaksimoski008 The Big Prize (IOI17_prize) C++17
90 / 100
48 ms 2136 KB
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;

pii memo[200005];

pii query(int p) {
	if(memo[p] != pii{ -1, -1 }) return memo[p];
	vector<int> res = ask(p);
	return memo[p] = { res[0], res[1] };
}

int sum(int p) { return query(p).first + query(p).second; }
int L(int p) { return query(p).first; }
int R(int p) { return query(p).second; }

int find_best(int n) {
	//da se iskoristat 2ki?????
	for(int i=0; i<n; i++) memo[i] = { -1, -1 };

	int curr = -1, mx = 0;
	set<int> s;
	for(int i=0; i<min(480, n); i++) {
		mx = max(mx, sum(i));
		if(sum(i) == 0) return i;
	}

	int R = n-1;
	for(int i=0; i<min(480, n); i++) {
		if(sum(i) == 1) {
			if(L(i) == 1) {
				R = i;
				break;
			}
		}
	}

	for(int i=1; i<=mx; i++) {
		int l=curr+1, r=n-1, pos=n-1;

		while(l <= r) {
			int mid = (l + r) / 2;
			if(sum(mid) == 0) return mid;

			if(sum(mid) == mx) {
				if(L(mid) >= i) pos = mid, r = mid - 1;
				else l = mid + 1;
			} else {
				pos = mid;
				r = mid - 1;
			}
		}
		
		curr = pos;
	}

	return 0;
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:29:6: warning: variable 'R' set but not used [-Wunused-but-set-variable]
   29 |  int R = n-1;
      |      ^
# Verdict Execution time Memory Grader output
1 Correct 3 ms 1880 KB Output is correct
2 Correct 4 ms 1880 KB Output is correct
3 Correct 3 ms 1880 KB Output is correct
4 Correct 3 ms 1880 KB Output is correct
5 Correct 4 ms 1880 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 4 ms 1876 KB Output is correct
8 Correct 3 ms 1880 KB Output is correct
9 Correct 3 ms 1888 KB Output is correct
10 Correct 4 ms 1880 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 1880 KB Output is correct
2 Correct 3 ms 1880 KB Output is correct
3 Correct 4 ms 1880 KB Output is correct
4 Correct 3 ms 1880 KB Output is correct
5 Correct 3 ms 1880 KB Output is correct
6 Correct 2 ms 1880 KB Output is correct
7 Correct 3 ms 1880 KB Output is correct
8 Correct 3 ms 2136 KB Output is correct
9 Correct 4 ms 1880 KB Output is correct
10 Correct 3 ms 1880 KB Output is correct
11 Correct 4 ms 1880 KB Output is correct
12 Correct 3 ms 1880 KB Output is correct
13 Correct 5 ms 1880 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 7 ms 1880 KB Output is correct
16 Partially correct 30 ms 2132 KB Partially correct - number of queries: 6976
17 Correct 3 ms 1880 KB Output is correct
18 Partially correct 47 ms 1880 KB Partially correct - number of queries: 8082
19 Correct 3 ms 1880 KB Output is correct
20 Correct 13 ms 1112 KB Output is correct
21 Correct 13 ms 1880 KB Output is correct
22 Correct 5 ms 1880 KB Output is correct
23 Correct 4 ms 1880 KB Output is correct
24 Correct 3 ms 1880 KB Output is correct
25 Correct 29 ms 1880 KB Output is correct
26 Correct 19 ms 1880 KB Output is correct
27 Correct 4 ms 1880 KB Output is correct
28 Partially correct 37 ms 1880 KB Partially correct - number of queries: 7671
29 Partially correct 22 ms 1880 KB Partially correct - number of queries: 5931
30 Partially correct 45 ms 1880 KB Partially correct - number of queries: 8021
31 Correct 3 ms 1880 KB Output is correct
32 Correct 5 ms 1880 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 12 ms 1980 KB Output is correct
35 Correct 4 ms 1880 KB Output is correct
36 Correct 14 ms 1876 KB Output is correct
37 Correct 4 ms 2136 KB Output is correct
38 Correct 3 ms 1880 KB Output is correct
39 Correct 15 ms 1880 KB Output is correct
40 Partially correct 30 ms 1880 KB Partially correct - number of queries: 6938
41 Partially correct 23 ms 1880 KB Partially correct - number of queries: 5055
42 Partially correct 34 ms 1880 KB Partially correct - number of queries: 5055
43 Correct 26 ms 1880 KB Output is correct
44 Correct 17 ms 1880 KB Output is correct
45 Correct 15 ms 1880 KB Output is correct
46 Correct 3 ms 1880 KB Output is correct
47 Correct 21 ms 2136 KB Output is correct
48 Partially correct 30 ms 1880 KB Partially correct - number of queries: 6122
49 Correct 5 ms 1880 KB Output is correct
50 Partially correct 34 ms 1880 KB Partially correct - number of queries: 8075
51 Correct 17 ms 1880 KB Output is correct
52 Correct 4 ms 1880 KB Output is correct
53 Correct 3 ms 1880 KB Output is correct
54 Correct 17 ms 2136 KB Output is correct
55 Correct 4 ms 2036 KB Output is correct
56 Partially correct 39 ms 1880 KB Partially correct - number of queries: 8083
57 Partially correct 26 ms 1880 KB Partially correct - number of queries: 6031
58 Partially correct 25 ms 1880 KB Partially correct - number of queries: 6099
59 Partially correct 23 ms 1880 KB Partially correct - number of queries: 5051
60 Correct 22 ms 1880 KB Output is correct
61 Correct 4 ms 1880 KB Output is correct
62 Correct 3 ms 1880 KB Output is correct
63 Correct 3 ms 1880 KB Output is correct
64 Correct 5 ms 1880 KB Output is correct
65 Correct 4 ms 1880 KB Output is correct
66 Correct 5 ms 1880 KB Output is correct
67 Correct 4 ms 1880 KB Output is correct
68 Correct 3 ms 1880 KB Output is correct
69 Correct 6 ms 1880 KB Output is correct
70 Correct 3 ms 1880 KB Output is correct
71 Partially correct 45 ms 1880 KB Partially correct - number of queries: 8250
72 Correct 5 ms 1880 KB Output is correct
73 Partially correct 43 ms 1880 KB Partially correct - number of queries: 8139
74 Partially correct 48 ms 1880 KB Partially correct - number of queries: 8199
75 Correct 5 ms 1880 KB Output is correct
76 Partially correct 32 ms 1880 KB Partially correct - number of queries: 7096
77 Partially correct 42 ms 1880 KB Partially correct - number of queries: 8116
78 Correct 5 ms 1880 KB Output is correct
79 Correct 17 ms 1880 KB Output is correct
80 Partially correct 34 ms 1880 KB Partially correct - number of queries: 8106
81 Partially correct 35 ms 1880 KB Partially correct - number of queries: 8103
82 Partially correct 42 ms 1880 KB Partially correct - number of queries: 8050
83 Correct 4 ms 1880 KB Output is correct
84 Partially correct 31 ms 1880 KB Partially correct - number of queries: 6725
85 Partially correct 43 ms 1880 KB Partially correct - number of queries: 8119
86 Correct 20 ms 1880 KB Output is correct
87 Correct 4 ms 1880 KB Output is correct
88 Correct 18 ms 1880 KB Output is correct
89 Correct 22 ms 1880 KB Output is correct
90 Correct 3 ms 1880 KB Output is correct
91 Correct 12 ms 1880 KB Output is correct
92 Correct 19 ms 1880 KB Output is correct
93 Correct 21 ms 1880 KB Output is correct
94 Correct 18 ms 1880 KB Output is correct
95 Correct 19 ms 1880 KB Output is correct
96 Correct 22 ms 1880 KB Output is correct
97 Correct 16 ms 1880 KB Output is correct