#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> K(int i) {
return ask(i);
}
int find_best(int N) {
int lol = -1, ted = -1, cnt = 0, ono = 0;
vector<int> chuchu;
vector<vector<int>> a(472);
for (int i = 0; i < 472; i++) {
a[i] = K(i);
int s = a[i][0] + a[i][1];
if (s == 0) {
return i;
}
lol = max(lol, s);
}
for (int i = 0; i < 472; i++) {
int s = a[i][0] + a[i][1];
if (s < lol) {
cnt++;
if (s > ted) {
ted = s;
ono = 0;
chuchu = a[i];
} else if (s < ted) {
ono++;
}
}
}
int x = 472;
while (cnt < 25) {
vector<int> t = K(x);
int s = t[0] + t[1];
if (s == 0) {
return x;
}
if (s == lol) {
int lo = x, hi = N - 1;
while (lo < hi) {
int mi = (lo + hi + 1) / 2;
vector<int> v = K(mi);
if (v == t) {
lo = mi;
} else {
hi = mi - 1;
}
}
x = lo;
} else {
cnt++;
if (s > ted) {
ted = s;
ono = 0;
chuchu = t;
} else if (s < ted) {
ono++;
}
}
x++;
}
while (1) {
vector<int> t = K(x);
int s = t[0] + t[1];
if (s == 0) {
return x;
}
if (s < ted) {
x++;
ono++;
continue;
}
if (s == lol) {
int lo = x, hi = N - 1;
while (lo < hi) {
int mi = (lo + hi + 1) / 2;
vector<int> v = K(mi);
if (v[0] + v[1] == lol) {
int l = lo, r = mi;
bool f = 0;
while (l < r) {
int m = (l + r) / 2;
vector<int> u = K(m);
if (u[0] + u[1] == lol) {
if (u == v) {
r = m;
} else {
l = m + 1;
}
} else if (u[0] + u[1] == ted) {
if (chuchu[0] + ono == u[0]) {
lo = m;
l = m + 1;
} else {
f = 1;
hi = m - 1;
break;
}
} else {
f = 1;
hi = m - 1;
break;
}
}
if (!f) {
if (l == lo) {
lo = mi;
} else if (K(l - 1)[0] + K(l - 1)[1] == ted) {
if (chuchu[0] + ono == K(l - 1)[0]) {
lo = mi;
} else {
hi = mi - 1;
}
} else {
hi = mi - 1;
}
}
} else if (v[0] + v[1] == ted) {
if (chuchu[0] + ono == v[0]) {
lo = mi;
} else {
hi = mi - 1;
}
} else {
hi = mi - 1;
}
}
x = lo + 1;
} else {
int lo = x, hi = N - 1;
while (lo < hi) {
int mi = (lo + hi + 1) / 2;
vector<int> v = K(mi);
if (v == t) {
lo = mi;
} else if (v[0] + v[1] == lol) {
int l = lo + 1, r = mi;
bool f = 0;
while (l < r) {
int m = (l + r) / 2;
vector<int> u = K(m);
if (u[0] + u[1] == lol) {
if (u == v) {
r = m;
} else {
l = m + 1;
}
} else if (u[0] + u[1] == ted) {
if (t == u) {
lo = m;
l = m + 1;
} else {
f = 1;
hi = m - 1;
break;
}
} else {
f = 1;
hi = m - 1;
break;
}
}
if (!f) {
if (K(l - 1) == t) {
lo = mi;
} else {
hi = l - 2;
}
}
} else {
hi = mi - 1;
}
}
x = lo + 1;
}
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
208 KB |
Output is correct |
| 2 |
Correct |
3 ms |
208 KB |
Output is correct |
| 3 |
Correct |
2 ms |
316 KB |
Output is correct |
| 4 |
Correct |
9 ms |
312 KB |
Output is correct |
| 5 |
Correct |
2 ms |
324 KB |
Output is correct |
| 6 |
Correct |
1 ms |
208 KB |
Output is correct |
| 7 |
Correct |
3 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
312 KB |
Output is correct |
| 9 |
Correct |
4 ms |
208 KB |
Output is correct |
| 10 |
Correct |
5 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
364 KB |
Output is correct |
| 2 |
Correct |
4 ms |
208 KB |
Output is correct |
| 3 |
Correct |
2 ms |
320 KB |
Output is correct |
| 4 |
Correct |
4 ms |
300 KB |
Output is correct |
| 5 |
Correct |
2 ms |
356 KB |
Output is correct |
| 6 |
Correct |
0 ms |
296 KB |
Output is correct |
| 7 |
Correct |
3 ms |
208 KB |
Output is correct |
| 8 |
Correct |
2 ms |
324 KB |
Output is correct |
| 9 |
Correct |
4 ms |
208 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
8 ms |
344 KB |
Output is correct |
| 12 |
Correct |
4 ms |
208 KB |
Output is correct |
| 13 |
Correct |
5 ms |
316 KB |
Output is correct |
| 14 |
Correct |
6 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
312 KB |
Output is correct |
| 16 |
Correct |
15 ms |
316 KB |
Output is correct |
| 17 |
Correct |
2 ms |
208 KB |
Output is correct |
| 18 |
Correct |
14 ms |
316 KB |
Output is correct |
| 19 |
Correct |
4 ms |
208 KB |
Output is correct |
| 20 |
Correct |
15 ms |
208 KB |
Output is correct |
| 21 |
Correct |
8 ms |
320 KB |
Output is correct |
| 22 |
Correct |
5 ms |
324 KB |
Output is correct |
| 23 |
Correct |
4 ms |
292 KB |
Output is correct |
| 24 |
Correct |
5 ms |
292 KB |
Output is correct |
| 25 |
Correct |
25 ms |
208 KB |
Output is correct |
| 26 |
Correct |
19 ms |
208 KB |
Output is correct |
| 27 |
Correct |
2 ms |
364 KB |
Output is correct |
| 28 |
Correct |
24 ms |
308 KB |
Output is correct |
| 29 |
Correct |
27 ms |
292 KB |
Output is correct |
| 30 |
Correct |
20 ms |
208 KB |
Output is correct |
| 31 |
Correct |
2 ms |
364 KB |
Output is correct |
| 32 |
Correct |
7 ms |
308 KB |
Output is correct |
| 33 |
Correct |
0 ms |
208 KB |
Output is correct |
| 34 |
Correct |
9 ms |
300 KB |
Output is correct |
| 35 |
Correct |
6 ms |
208 KB |
Output is correct |
| 36 |
Correct |
8 ms |
208 KB |
Output is correct |
| 37 |
Correct |
3 ms |
312 KB |
Output is correct |
| 38 |
Correct |
3 ms |
208 KB |
Output is correct |
| 39 |
Correct |
17 ms |
292 KB |
Output is correct |
| 40 |
Correct |
9 ms |
316 KB |
Output is correct |
| 41 |
Correct |
23 ms |
292 KB |
Output is correct |
| 42 |
Correct |
23 ms |
296 KB |
Output is correct |
| 43 |
Correct |
10 ms |
324 KB |
Output is correct |
| 44 |
Correct |
8 ms |
320 KB |
Output is correct |
| 45 |
Correct |
10 ms |
316 KB |
Output is correct |
| 46 |
Correct |
3 ms |
208 KB |
Output is correct |
| 47 |
Correct |
27 ms |
292 KB |
Output is correct |
| 48 |
Correct |
28 ms |
208 KB |
Output is correct |
| 49 |
Correct |
5 ms |
292 KB |
Output is correct |
| 50 |
Correct |
36 ms |
308 KB |
Output is correct |
| 51 |
Correct |
30 ms |
288 KB |
Output is correct |
| 52 |
Correct |
5 ms |
208 KB |
Output is correct |
| 53 |
Correct |
5 ms |
320 KB |
Output is correct |
| 54 |
Correct |
7 ms |
324 KB |
Output is correct |
| 55 |
Correct |
3 ms |
288 KB |
Output is correct |
| 56 |
Correct |
14 ms |
324 KB |
Output is correct |
| 57 |
Correct |
17 ms |
288 KB |
Output is correct |
| 58 |
Correct |
29 ms |
208 KB |
Output is correct |
| 59 |
Correct |
24 ms |
300 KB |
Output is correct |
| 60 |
Correct |
22 ms |
208 KB |
Output is correct |
| 61 |
Correct |
3 ms |
292 KB |
Output is correct |
| 62 |
Correct |
4 ms |
208 KB |
Output is correct |
| 63 |
Correct |
3 ms |
208 KB |
Output is correct |
| 64 |
Correct |
4 ms |
208 KB |
Output is correct |
| 65 |
Correct |
5 ms |
208 KB |
Output is correct |
| 66 |
Correct |
3 ms |
296 KB |
Output is correct |
| 67 |
Correct |
2 ms |
208 KB |
Output is correct |
| 68 |
Correct |
5 ms |
208 KB |
Output is correct |
| 69 |
Correct |
2 ms |
208 KB |
Output is correct |
| 70 |
Correct |
2 ms |
324 KB |
Output is correct |
| 71 |
Correct |
38 ms |
208 KB |
Output is correct |
| 72 |
Correct |
15 ms |
208 KB |
Output is correct |
| 73 |
Correct |
35 ms |
208 KB |
Output is correct |
| 74 |
Correct |
33 ms |
208 KB |
Output is correct |
| 75 |
Correct |
5 ms |
208 KB |
Output is correct |
| 76 |
Correct |
33 ms |
312 KB |
Output is correct |
| 77 |
Correct |
42 ms |
308 KB |
Output is correct |
| 78 |
Correct |
7 ms |
320 KB |
Output is correct |
| 79 |
Correct |
26 ms |
320 KB |
Output is correct |
| 80 |
Correct |
30 ms |
208 KB |
Output is correct |
| 81 |
Correct |
27 ms |
208 KB |
Output is correct |
| 82 |
Correct |
36 ms |
208 KB |
Output is correct |
| 83 |
Correct |
7 ms |
320 KB |
Output is correct |
| 84 |
Correct |
29 ms |
208 KB |
Output is correct |
| 85 |
Correct |
38 ms |
208 KB |
Output is correct |
| 86 |
Correct |
4 ms |
208 KB |
Output is correct |
| 87 |
Correct |
8 ms |
384 KB |
Output is correct |
| 88 |
Correct |
6 ms |
208 KB |
Output is correct |
| 89 |
Correct |
5 ms |
208 KB |
Output is correct |
| 90 |
Correct |
5 ms |
316 KB |
Output is correct |
| 91 |
Correct |
5 ms |
208 KB |
Output is correct |
| 92 |
Correct |
5 ms |
288 KB |
Output is correct |
| 93 |
Correct |
26 ms |
304 KB |
Output is correct |
| 94 |
Correct |
33 ms |
208 KB |
Output is correct |
| 95 |
Correct |
29 ms |
208 KB |
Output is correct |
| 96 |
Correct |
25 ms |
208 KB |
Output is correct |
| 97 |
Correct |
6 ms |
316 KB |
Output is correct |
