#include "prize.h"
#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
#define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); ++i)
#define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define rrep2(i, a, b) for (int i = (int)(b) - 1; i >= (int)(a); --i)
#define all(v) begin(v), end(v)
#define rall(v) rbegin(v), rend(v)
using namespace std;
using ll = long long;
template<class T, class U> bool chmin(T& a, const U& b) { return a > b ? a = b, true : false; }
template<class T, class U> bool chmax(T& a, const U& b) { return a < b ? a = b, true : false; }
vector<vector<int>> memo;
vector<int> Ask(int n) {
if (memo[n].empty()) memo[n] = ask(n);
return memo[n];
}
int find_best(int n) {
memo.resize(n);
int cnt = 0;
rep (i, 500) {
auto res = Ask(i);
chmax(cnt, res[0] + res[1]);
if (res[0] + res[1] == 0) return i;
}
int x = 500;
while (x < n) {
int y = 0;
while (x < n) {
auto res = Ask(x);
if (res[0] + res[1] == 0) return x;
if (res[0] + res[1] == cnt) {
y = res[0];
break;
}
++x;
}
int ok = 0, ng = n;
while (ng - ok > 1) {
int mid = (ok + ng) / 2;
if (mid <= x) ok = mid;
else {
auto res = Ask(mid);
if (res[0] + res[1] == 0) return mid;
if (res[0] + res[1] < cnt) ng = mid;
else if (res[0] > y) ng = mid;
else ok = mid;
}
}
x = ok + 1;
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:60:1: warning: control reaches end of non-void function [-Wreturn-type]
60 | }
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4952 KB |
Output is correct |
2 |
Correct |
5 ms |
4952 KB |
Output is correct |
3 |
Correct |
4 ms |
4952 KB |
Output is correct |
4 |
Correct |
6 ms |
4952 KB |
Output is correct |
5 |
Correct |
6 ms |
4952 KB |
Output is correct |
6 |
Correct |
2 ms |
4952 KB |
Output is correct |
7 |
Correct |
4 ms |
4952 KB |
Output is correct |
8 |
Correct |
6 ms |
4952 KB |
Output is correct |
9 |
Correct |
4 ms |
4952 KB |
Output is correct |
10 |
Correct |
4 ms |
4952 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4952 KB |
Output is correct |
2 |
Correct |
5 ms |
4952 KB |
Output is correct |
3 |
Correct |
4 ms |
4952 KB |
Output is correct |
4 |
Correct |
4 ms |
4952 KB |
Output is correct |
5 |
Correct |
4 ms |
4952 KB |
Output is correct |
6 |
Correct |
2 ms |
4952 KB |
Output is correct |
7 |
Correct |
4 ms |
4952 KB |
Output is correct |
8 |
Correct |
4 ms |
4952 KB |
Output is correct |
9 |
Correct |
4 ms |
4952 KB |
Output is correct |
10 |
Correct |
6 ms |
4952 KB |
Output is correct |
11 |
Correct |
4 ms |
4952 KB |
Output is correct |
12 |
Correct |
6 ms |
4952 KB |
Output is correct |
13 |
Correct |
7 ms |
4952 KB |
Output is correct |
14 |
Correct |
3 ms |
856 KB |
Output is correct |
15 |
Correct |
7 ms |
4952 KB |
Output is correct |
16 |
Correct |
22 ms |
5448 KB |
Output is correct |
17 |
Correct |
3 ms |
5144 KB |
Output is correct |
18 |
Partially correct |
19 ms |
5464 KB |
Partially correct - number of queries: 5419 |
19 |
Correct |
4 ms |
4952 KB |
Output is correct |
20 |
Correct |
9 ms |
2648 KB |
Output is correct |
21 |
Correct |
10 ms |
5204 KB |
Output is correct |
22 |
Correct |
5 ms |
4952 KB |
Output is correct |
23 |
Correct |
4 ms |
4952 KB |
Output is correct |
24 |
Correct |
4 ms |
4952 KB |
Output is correct |
25 |
Correct |
12 ms |
5208 KB |
Output is correct |
26 |
Correct |
15 ms |
5208 KB |
Output is correct |
27 |
Correct |
4 ms |
4952 KB |
Output is correct |
28 |
Correct |
34 ms |
5200 KB |
Output is correct |
29 |
Correct |
19 ms |
5208 KB |
Output is correct |
30 |
Partially correct |
17 ms |
5200 KB |
Partially correct - number of queries: 5375 |
31 |
Correct |
3 ms |
4952 KB |
Output is correct |
32 |
Correct |
6 ms |
4952 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |
34 |
Correct |
11 ms |
5164 KB |
Output is correct |
35 |
Correct |
5 ms |
4952 KB |
Output is correct |
36 |
Correct |
6 ms |
4952 KB |
Output is correct |
37 |
Correct |
4 ms |
5208 KB |
Output is correct |
38 |
Correct |
3 ms |
4952 KB |
Output is correct |
39 |
Correct |
10 ms |
5464 KB |
Output is correct |
40 |
Correct |
20 ms |
5208 KB |
Output is correct |
41 |
Correct |
11 ms |
5200 KB |
Output is correct |
42 |
Correct |
13 ms |
5232 KB |
Output is correct |
43 |
Correct |
14 ms |
5208 KB |
Output is correct |
44 |
Correct |
10 ms |
5208 KB |
Output is correct |
45 |
Correct |
8 ms |
5208 KB |
Output is correct |
46 |
Correct |
3 ms |
4952 KB |
Output is correct |
47 |
Correct |
14 ms |
5208 KB |
Output is correct |
48 |
Correct |
13 ms |
5472 KB |
Output is correct |
49 |
Correct |
7 ms |
5208 KB |
Output is correct |
50 |
Partially correct |
26 ms |
5264 KB |
Partially correct - number of queries: 5420 |
51 |
Correct |
12 ms |
4952 KB |
Output is correct |
52 |
Correct |
5 ms |
4952 KB |
Output is correct |
53 |
Correct |
5 ms |
5208 KB |
Output is correct |
54 |
Correct |
9 ms |
5148 KB |
Output is correct |
55 |
Correct |
4 ms |
4948 KB |
Output is correct |
56 |
Partially correct |
22 ms |
5220 KB |
Partially correct - number of queries: 5411 |
57 |
Correct |
11 ms |
5208 KB |
Output is correct |
58 |
Correct |
16 ms |
5208 KB |
Output is correct |
59 |
Correct |
21 ms |
5208 KB |
Output is correct |
60 |
Correct |
17 ms |
5208 KB |
Output is correct |
61 |
Correct |
4 ms |
5208 KB |
Output is correct |
62 |
Correct |
4 ms |
4952 KB |
Output is correct |
63 |
Correct |
5 ms |
4952 KB |
Output is correct |
64 |
Correct |
4 ms |
4952 KB |
Output is correct |
65 |
Correct |
4 ms |
5208 KB |
Output is correct |
66 |
Correct |
6 ms |
4952 KB |
Output is correct |
67 |
Correct |
4 ms |
4952 KB |
Output is correct |
68 |
Correct |
4 ms |
4952 KB |
Output is correct |
69 |
Correct |
6 ms |
4952 KB |
Output is correct |
70 |
Correct |
4 ms |
4952 KB |
Output is correct |
71 |
Partially correct |
29 ms |
5208 KB |
Partially correct - number of queries: 5259 |
72 |
Correct |
4 ms |
4952 KB |
Output is correct |
73 |
Partially correct |
26 ms |
5236 KB |
Partially correct - number of queries: 5196 |
74 |
Partially correct |
27 ms |
5440 KB |
Partially correct - number of queries: 5223 |
75 |
Correct |
5 ms |
5204 KB |
Output is correct |
76 |
Correct |
33 ms |
5208 KB |
Output is correct |
77 |
Partially correct |
28 ms |
5208 KB |
Partially correct - number of queries: 5505 |
78 |
Correct |
6 ms |
4952 KB |
Output is correct |
79 |
Correct |
16 ms |
5208 KB |
Output is correct |
80 |
Partially correct |
34 ms |
5208 KB |
Partially correct - number of queries: 5480 |
81 |
Partially correct |
35 ms |
5208 KB |
Partially correct - number of queries: 5481 |
82 |
Partially correct |
30 ms |
5412 KB |
Partially correct - number of queries: 5444 |
83 |
Correct |
8 ms |
4952 KB |
Output is correct |
84 |
Correct |
20 ms |
5480 KB |
Output is correct |
85 |
Partially correct |
26 ms |
5200 KB |
Partially correct - number of queries: 5480 |
86 |
Correct |
4 ms |
4952 KB |
Output is correct |
87 |
Correct |
6 ms |
5148 KB |
Output is correct |
88 |
Correct |
5 ms |
4952 KB |
Output is correct |
89 |
Correct |
3 ms |
4952 KB |
Output is correct |
90 |
Correct |
4 ms |
4952 KB |
Output is correct |
91 |
Correct |
4 ms |
4952 KB |
Output is correct |
92 |
Correct |
4 ms |
4952 KB |
Output is correct |
93 |
Correct |
5 ms |
5140 KB |
Output is correct |
94 |
Correct |
5 ms |
4952 KB |
Output is correct |
95 |
Correct |
5 ms |
4952 KB |
Output is correct |
96 |
Correct |
5 ms |
4952 KB |
Output is correct |
97 |
Correct |
4 ms |
4952 KB |
Output is correct |