#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
#define FOR(i, x, y) for(int i = x; i < y; ++i)
#define pb push_back
int ANS;
int SCORE;
void findAll(int l, int r, int L, int R){
//cout << "findALL(" << l << ", " << r << ")\n";
if (l == r) return;
int mid = (l + r)/2;
vector<int> tmp = ask(mid);
if (tmp[0] + tmp[1] == 0){
ANS = mid;
return;
}
if (tmp[0] + tmp[1] == SCORE){
if (tmp[0] - L != 0){
findAll(l, mid, L, tmp[1]);
}
if (R - tmp[1] != 0){
findAll(mid + 1, r, tmp[0], R);
}
return;
}
int rp = l;
int rL;
int rR;
FOR(i, mid + 1, r){
tmp = ask(i);
if (tmp[0] + tmp[1] == 0){
ANS = i;
return;
}
if (tmp[0] + tmp[1] == SCORE){
rp = i;
rL = tmp[0];
rR = tmp[1];
break;
}
}
int lp = r;
int lL;
int lR;
for (int i = mid - 1; i >= l; --i){
tmp = ask(i);
if (tmp[0] + tmp[1] == 0){
ANS = i;
return;
}
if (tmp[0] + tmp[1] == SCORE){
lp = i;
lL = tmp[0];
lR = tmp[1];
break;
}
}
if (rp != l){
findAll(rp + 1, r, rL, R);
}
if (lp != r){
findAll(l, lp, L, lR);
}
}
int find_best(int n) {
int score = 0;
FOR(i, 0, min(476, n)){
vector<int> tmp = ask(i);
score = max(score, tmp[0] + tmp[1]);
if (tmp[0] + tmp[1] == 0){
return i;
}
}
SCORE = score;
findAll(0, n, 0, 0);
return ANS;
}
Compilation message
prize.cpp: In function 'void findAll(int, int, int, int)':
prize.cpp:30:6: warning: variable 'rR' set but not used [-Wunused-but-set-variable]
30 | int rR;
| ^~
prize.cpp:45:6: warning: variable 'lL' set but not used [-Wunused-but-set-variable]
45 | int lL;
| ^~
prize.cpp:64:10: warning: 'lR' may be used uninitialized in this function [-Wmaybe-uninitialized]
64 | findAll(l, lp, L, lR);
| ~~~~~~~^~~~~~~~~~~~~~
prize.cpp:61:10: warning: 'rL' may be used uninitialized in this function [-Wmaybe-uninitialized]
61 | findAll(rp + 1, r, rL, R);
| ~~~~~~~^~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
256 KB |
Output is correct |
| 4 |
Correct |
4 ms |
256 KB |
Output is correct |
| 5 |
Correct |
5 ms |
256 KB |
Output is correct |
| 6 |
Correct |
0 ms |
256 KB |
Output is correct |
| 7 |
Correct |
7 ms |
256 KB |
Output is correct |
| 8 |
Correct |
5 ms |
256 KB |
Output is correct |
| 9 |
Correct |
4 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
256 KB |
Output is correct |
| 3 |
Correct |
5 ms |
256 KB |
Output is correct |
| 4 |
Correct |
7 ms |
256 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
256 KB |
Output is correct |
| 7 |
Correct |
5 ms |
256 KB |
Output is correct |
| 8 |
Correct |
4 ms |
256 KB |
Output is correct |
| 9 |
Correct |
7 ms |
256 KB |
Output is correct |
| 10 |
Correct |
5 ms |
256 KB |
Output is correct |
| 11 |
Correct |
8 ms |
256 KB |
Output is correct |
| 12 |
Correct |
9 ms |
256 KB |
Output is correct |
| 13 |
Correct |
7 ms |
256 KB |
Output is correct |
| 14 |
Correct |
13 ms |
384 KB |
Output is correct |
| 15 |
Partially correct |
40 ms |
256 KB |
Partially correct - number of queries: 5162 |
| 16 |
Partially correct |
45 ms |
256 KB |
Partially correct - number of queries: 5361 |
| 17 |
Correct |
5 ms |
256 KB |
Output is correct |
| 18 |
Partially correct |
45 ms |
256 KB |
Partially correct - number of queries: 5434 |
| 19 |
Correct |
6 ms |
256 KB |
Output is correct |
| 20 |
Correct |
22 ms |
256 KB |
Output is correct |
| 21 |
Partially correct |
42 ms |
256 KB |
Partially correct - number of queries: 5321 |
| 22 |
Correct |
37 ms |
256 KB |
Output is correct |
| 23 |
Correct |
8 ms |
256 KB |
Output is correct |
| 24 |
Correct |
10 ms |
256 KB |
Output is correct |
| 25 |
Correct |
41 ms |
256 KB |
Output is correct |
| 26 |
Correct |
60 ms |
256 KB |
Output is correct |
| 27 |
Correct |
8 ms |
256 KB |
Output is correct |
| 28 |
Correct |
41 ms |
256 KB |
Output is correct |
| 29 |
Correct |
51 ms |
256 KB |
Output is correct |
| 30 |
Partially correct |
64 ms |
256 KB |
Partially correct - number of queries: 5369 |
| 31 |
Correct |
5 ms |
256 KB |
Output is correct |
| 32 |
Correct |
9 ms |
256 KB |
Output is correct |
| 33 |
Correct |
0 ms |
256 KB |
Output is correct |
| 34 |
Partially correct |
27 ms |
376 KB |
Partially correct - number of queries: 5384 |
| 35 |
Correct |
9 ms |
256 KB |
Output is correct |
| 36 |
Partially correct |
66 ms |
256 KB |
Partially correct - number of queries: 5402 |
| 37 |
Correct |
6 ms |
256 KB |
Output is correct |
| 38 |
Correct |
8 ms |
256 KB |
Output is correct |
| 39 |
Partially correct |
41 ms |
256 KB |
Partially correct - number of queries: 5378 |
| 40 |
Correct |
24 ms |
376 KB |
Output is correct |
| 41 |
Partially correct |
54 ms |
256 KB |
Partially correct - number of queries: 5395 |
| 42 |
Partially correct |
43 ms |
256 KB |
Partially correct - number of queries: 5395 |
| 43 |
Partially correct |
36 ms |
256 KB |
Partially correct - number of queries: 5252 |
| 44 |
Partially correct |
60 ms |
256 KB |
Partially correct - number of queries: 5394 |
| 45 |
Correct |
59 ms |
256 KB |
Output is correct |
| 46 |
Correct |
5 ms |
256 KB |
Output is correct |
| 47 |
Partially correct |
32 ms |
256 KB |
Partially correct - number of queries: 5074 |
| 48 |
Partially correct |
51 ms |
256 KB |
Partially correct - number of queries: 5394 |
| 49 |
Partially correct |
46 ms |
256 KB |
Partially correct - number of queries: 5448 |
| 50 |
Partially correct |
64 ms |
256 KB |
Partially correct - number of queries: 5382 |
| 51 |
Partially correct |
59 ms |
384 KB |
Partially correct - number of queries: 5388 |
| 52 |
Partially correct |
62 ms |
256 KB |
Partially correct - number of queries: 5395 |
| 53 |
Correct |
6 ms |
256 KB |
Output is correct |
| 54 |
Partially correct |
62 ms |
256 KB |
Partially correct - number of queries: 5348 |
| 55 |
Correct |
5 ms |
256 KB |
Output is correct |
| 56 |
Partially correct |
50 ms |
256 KB |
Partially correct - number of queries: 5403 |
| 57 |
Partially correct |
45 ms |
256 KB |
Partially correct - number of queries: 5390 |
| 58 |
Partially correct |
28 ms |
384 KB |
Partially correct - number of queries: 5371 |
| 59 |
Partially correct |
33 ms |
376 KB |
Partially correct - number of queries: 5377 |
| 60 |
Partially correct |
28 ms |
384 KB |
Partially correct - number of queries: 5359 |
| 61 |
Correct |
8 ms |
256 KB |
Output is correct |
| 62 |
Correct |
4 ms |
376 KB |
Output is correct |
| 63 |
Correct |
7 ms |
376 KB |
Output is correct |
| 64 |
Correct |
6 ms |
256 KB |
Output is correct |
| 65 |
Correct |
7 ms |
256 KB |
Output is correct |
| 66 |
Correct |
9 ms |
256 KB |
Output is correct |
| 67 |
Correct |
10 ms |
256 KB |
Output is correct |
| 68 |
Correct |
5 ms |
256 KB |
Output is correct |
| 69 |
Correct |
9 ms |
256 KB |
Output is correct |
| 70 |
Correct |
10 ms |
256 KB |
Output is correct |
| 71 |
Partially correct |
62 ms |
256 KB |
Partially correct - number of queries: 5235 |
| 72 |
Correct |
10 ms |
256 KB |
Output is correct |
| 73 |
Partially correct |
40 ms |
256 KB |
Partially correct - number of queries: 5172 |
| 74 |
Partially correct |
53 ms |
256 KB |
Partially correct - number of queries: 5199 |
| 75 |
Correct |
6 ms |
256 KB |
Output is correct |
| 76 |
Correct |
41 ms |
256 KB |
Output is correct |
| 77 |
Partially correct |
56 ms |
256 KB |
Partially correct - number of queries: 5493 |
| 78 |
Correct |
9 ms |
256 KB |
Output is correct |
| 79 |
Correct |
25 ms |
256 KB |
Output is correct |
| 80 |
Partially correct |
29 ms |
372 KB |
Partially correct - number of queries: 5501 |
| 81 |
Partially correct |
50 ms |
256 KB |
Partially correct - number of queries: 5453 |
| 82 |
Partially correct |
47 ms |
256 KB |
Partially correct - number of queries: 5445 |
| 83 |
Correct |
7 ms |
256 KB |
Output is correct |
| 84 |
Correct |
45 ms |
256 KB |
Output is correct |
| 85 |
Partially correct |
43 ms |
256 KB |
Partially correct - number of queries: 5464 |
| 86 |
Correct |
9 ms |
256 KB |
Output is correct |
| 87 |
Correct |
4 ms |
288 KB |
Output is correct |
| 88 |
Correct |
9 ms |
256 KB |
Output is correct |
| 89 |
Correct |
10 ms |
512 KB |
Output is correct |
| 90 |
Correct |
3 ms |
256 KB |
Output is correct |
| 91 |
Correct |
9 ms |
256 KB |
Output is correct |
| 92 |
Correct |
12 ms |
256 KB |
Output is correct |
| 93 |
Correct |
12 ms |
256 KB |
Output is correct |
| 94 |
Correct |
11 ms |
256 KB |
Output is correct |
| 95 |
Correct |
9 ms |
256 KB |
Output is correct |
| 96 |
Correct |
14 ms |
256 KB |
Output is correct |
| 97 |
Correct |
11 ms |
256 KB |
Output is correct |
