#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
int find_best(int n) {
int y = 0,l,r,m,x,big = 0,z,k;
for(int i = 0; (i+1)*(i+1) <= n; i++) {
vector<int> a = ask(i);
if(a[0] == 0 && a[1] == 0) {
return i;
}
if(a[0]+a[1] > big) {
big = a[0]+a[1];
y = i+1;
}
}
srand(time(NULL));
while(y < n) {
vector<int> a = ask(y);
x = a[0];
z = a[1];
l = y;
r = n-1;
k = rand()%200+250;
if(x+z == 0) {
return y;
}
for(int i = l+k; i < n; i+=k) {
a = ask(i);
if(a[0] == x && a[1] == z) {
l = i;
}
else {
r = i-1;
l = r-k+1;
break;
}
}
while(l < r) {
m = (l+r+1)/2;
a = ask(m);
if(a[0] == x && a[1] == z) {
l = m;
}
else {
r = m-1;
}
}
a = ask(l+1);
if(a[0] == 0 && a[1] == 0) {
return l+1;
}
y = l+2;
}
}
Compilation message
prize.cpp: In function 'int find_best(int)':
prize.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type]
55 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
208 KB |
Output is correct |
| 2 |
Correct |
6 ms |
292 KB |
Output is correct |
| 3 |
Correct |
6 ms |
292 KB |
Output is correct |
| 4 |
Correct |
9 ms |
296 KB |
Output is correct |
| 5 |
Correct |
4 ms |
296 KB |
Output is correct |
| 6 |
Correct |
1 ms |
284 KB |
Output is correct |
| 7 |
Correct |
3 ms |
288 KB |
Output is correct |
| 8 |
Correct |
6 ms |
292 KB |
Output is correct |
| 9 |
Correct |
6 ms |
292 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
292 KB |
Output is correct |
| 2 |
Correct |
3 ms |
292 KB |
Output is correct |
| 3 |
Correct |
6 ms |
208 KB |
Output is correct |
| 4 |
Correct |
7 ms |
292 KB |
Output is correct |
| 5 |
Correct |
5 ms |
208 KB |
Output is correct |
| 6 |
Correct |
0 ms |
292 KB |
Output is correct |
| 7 |
Correct |
6 ms |
208 KB |
Output is correct |
| 8 |
Correct |
4 ms |
208 KB |
Output is correct |
| 9 |
Correct |
6 ms |
288 KB |
Output is correct |
| 10 |
Correct |
9 ms |
208 KB |
Output is correct |
| 11 |
Correct |
5 ms |
288 KB |
Output is correct |
| 12 |
Correct |
4 ms |
208 KB |
Output is correct |
| 13 |
Correct |
5 ms |
296 KB |
Output is correct |
| 14 |
Correct |
4 ms |
208 KB |
Output is correct |
| 15 |
Correct |
11 ms |
208 KB |
Output is correct |
| 16 |
Partially correct |
39 ms |
208 KB |
Partially correct - number of queries: 5281 |
| 17 |
Correct |
3 ms |
292 KB |
Output is correct |
| 18 |
Partially correct |
34 ms |
292 KB |
Partially correct - number of queries: 6287 |
| 19 |
Correct |
2 ms |
292 KB |
Output is correct |
| 20 |
Correct |
15 ms |
336 KB |
Output is correct |
| 21 |
Correct |
22 ms |
208 KB |
Output is correct |
| 22 |
Correct |
3 ms |
288 KB |
Output is correct |
| 23 |
Correct |
4 ms |
208 KB |
Output is correct |
| 24 |
Correct |
2 ms |
336 KB |
Output is correct |
| 25 |
Correct |
18 ms |
208 KB |
Output is correct |
| 26 |
Correct |
27 ms |
292 KB |
Output is correct |
| 27 |
Correct |
6 ms |
208 KB |
Output is correct |
| 28 |
Partially correct |
20 ms |
288 KB |
Partially correct - number of queries: 5958 |
| 29 |
Correct |
37 ms |
296 KB |
Output is correct |
| 30 |
Partially correct |
49 ms |
208 KB |
Partially correct - number of queries: 6249 |
| 31 |
Correct |
4 ms |
208 KB |
Output is correct |
| 32 |
Correct |
12 ms |
296 KB |
Output is correct |
| 33 |
Correct |
0 ms |
208 KB |
Output is correct |
| 34 |
Correct |
7 ms |
292 KB |
Output is correct |
| 35 |
Correct |
4 ms |
288 KB |
Output is correct |
| 36 |
Correct |
13 ms |
292 KB |
Output is correct |
| 37 |
Correct |
5 ms |
272 KB |
Output is correct |
| 38 |
Correct |
2 ms |
208 KB |
Output is correct |
| 39 |
Correct |
10 ms |
288 KB |
Output is correct |
| 40 |
Partially correct |
33 ms |
208 KB |
Partially correct - number of queries: 5452 |
| 41 |
Correct |
13 ms |
288 KB |
Output is correct |
| 42 |
Correct |
32 ms |
208 KB |
Output is correct |
| 43 |
Correct |
11 ms |
328 KB |
Output is correct |
| 44 |
Correct |
22 ms |
292 KB |
Output is correct |
| 45 |
Correct |
8 ms |
288 KB |
Output is correct |
| 46 |
Correct |
3 ms |
208 KB |
Output is correct |
| 47 |
Correct |
26 ms |
288 KB |
Output is correct |
| 48 |
Correct |
31 ms |
208 KB |
Output is correct |
| 49 |
Correct |
5 ms |
292 KB |
Output is correct |
| 50 |
Partially correct |
23 ms |
296 KB |
Partially correct - number of queries: 6239 |
| 51 |
Correct |
18 ms |
288 KB |
Output is correct |
| 52 |
Correct |
3 ms |
292 KB |
Output is correct |
| 53 |
Correct |
4 ms |
296 KB |
Output is correct |
| 54 |
Correct |
10 ms |
292 KB |
Output is correct |
| 55 |
Correct |
2 ms |
328 KB |
Output is correct |
| 56 |
Partially correct |
21 ms |
284 KB |
Partially correct - number of queries: 6283 |
| 57 |
Correct |
15 ms |
292 KB |
Output is correct |
| 58 |
Correct |
39 ms |
208 KB |
Output is correct |
| 59 |
Correct |
30 ms |
292 KB |
Output is correct |
| 60 |
Correct |
29 ms |
288 KB |
Output is correct |
| 61 |
Correct |
6 ms |
296 KB |
Output is correct |
| 62 |
Correct |
2 ms |
296 KB |
Output is correct |
| 63 |
Correct |
9 ms |
208 KB |
Output is correct |
| 64 |
Correct |
7 ms |
288 KB |
Output is correct |
| 65 |
Correct |
3 ms |
292 KB |
Output is correct |
| 66 |
Correct |
8 ms |
208 KB |
Output is correct |
| 67 |
Correct |
4 ms |
328 KB |
Output is correct |
| 68 |
Correct |
3 ms |
208 KB |
Output is correct |
| 69 |
Correct |
5 ms |
208 KB |
Output is correct |
| 70 |
Correct |
4 ms |
292 KB |
Output is correct |
| 71 |
Partially correct |
47 ms |
208 KB |
Partially correct - number of queries: 6229 |
| 72 |
Correct |
9 ms |
208 KB |
Output is correct |
| 73 |
Partially correct |
50 ms |
208 KB |
Partially correct - number of queries: 6154 |
| 74 |
Partially correct |
39 ms |
208 KB |
Partially correct - number of queries: 6197 |
| 75 |
Correct |
9 ms |
208 KB |
Output is correct |
| 76 |
Partially correct |
39 ms |
208 KB |
Partially correct - number of queries: 5475 |
| 77 |
Partially correct |
51 ms |
208 KB |
Partially correct - number of queries: 6095 |
| 78 |
Correct |
13 ms |
208 KB |
Output is correct |
| 79 |
Correct |
27 ms |
208 KB |
Output is correct |
| 80 |
Partially correct |
43 ms |
208 KB |
Partially correct - number of queries: 6111 |
| 81 |
Partially correct |
51 ms |
208 KB |
Partially correct - number of queries: 6100 |
| 82 |
Partially correct |
34 ms |
208 KB |
Partially correct - number of queries: 6063 |
| 83 |
Correct |
8 ms |
208 KB |
Output is correct |
| 84 |
Partially correct |
33 ms |
208 KB |
Partially correct - number of queries: 5185 |
| 85 |
Partially correct |
48 ms |
208 KB |
Partially correct - number of queries: 6111 |
| 86 |
Correct |
5 ms |
336 KB |
Output is correct |
| 87 |
Correct |
7 ms |
208 KB |
Output is correct |
| 88 |
Correct |
8 ms |
208 KB |
Output is correct |
| 89 |
Correct |
8 ms |
208 KB |
Output is correct |
| 90 |
Correct |
9 ms |
208 KB |
Output is correct |
| 91 |
Correct |
6 ms |
208 KB |
Output is correct |
| 92 |
Correct |
9 ms |
208 KB |
Output is correct |
| 93 |
Correct |
8 ms |
208 KB |
Output is correct |
| 94 |
Correct |
10 ms |
208 KB |
Output is correct |
| 95 |
Correct |
11 ms |
208 KB |
Output is correct |
| 96 |
Correct |
8 ms |
208 KB |
Output is correct |
| 97 |
Correct |
5 ms |
208 KB |
Output is correct |
