| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 868878 |
2023-11-02T10:56:54 Z |
n1k |
The Big Prize (IOI17_prize) |
C++17 |
|
31 ms |
596 KB |
#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
const int LOG = 18, TAKE = 500;
int find_best(int n) {
int mx = 0, id;
// last apperance of num and cnt
map<int, int> last;
for(id = 0; id < min(TAKE, n); id++){
auto c = ask(id);
int s = c[0] + c[1];
last[s] = c[0];
if(s == 0){
return id;
}
mx = max(mx, s);
}
while(id < n){
// find next biggest num
for(; id < n; id++){
auto c = ask(id);
int s = c[0] + c[1];
last[s] = c[0];
if(s == 0){
return id;
}
if(s == mx){
break;
}
}
int jump_point = 9;
bool ok = 1;
int jump = 1<<jump_point;
if(id + jump < n){
auto c = ask(id + jump);
int s = c[0] + c[1];
if(s == 0){
return id + jump;
}
if(last.count(s) && c[0] == last[s]){
ok = 0;
last[s] = c[0];
}
}
// overjump all biggest
for(int j = (ok ? jump_point - 1 : LOG); j >= 0; j--){
int jump = 1<<j;
if(id + jump >= n){
continue;
}
auto c = ask(id + jump);
int s = c[0] + c[1];
if(s == 0){
return id + jump;
}
if(last.count(s) && c[0] == last[s]){
id += jump;
last[s] = c[0];
}
}
// go to the next which is not max
id++;
}
assert(false);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
344 KB |
Output is correct |
| 2 |
Correct |
2 ms |
344 KB |
Output is correct |
| 3 |
Correct |
2 ms |
344 KB |
Output is correct |
| 4 |
Correct |
2 ms |
596 KB |
Output is correct |
| 5 |
Correct |
2 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
2 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
344 KB |
Output is correct |
| 9 |
Correct |
2 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
344 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
596 KB |
Output is correct |
| 2 |
Correct |
2 ms |
344 KB |
Output is correct |
| 3 |
Correct |
2 ms |
344 KB |
Output is correct |
| 4 |
Correct |
2 ms |
344 KB |
Output is correct |
| 5 |
Correct |
2 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
3 ms |
344 KB |
Output is correct |
| 8 |
Correct |
2 ms |
344 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
2 ms |
340 KB |
Output is correct |
| 11 |
Correct |
3 ms |
344 KB |
Output is correct |
| 12 |
Correct |
2 ms |
344 KB |
Output is correct |
| 13 |
Correct |
4 ms |
340 KB |
Output is correct |
| 14 |
Correct |
3 ms |
344 KB |
Output is correct |
| 15 |
Correct |
5 ms |
344 KB |
Output is correct |
| 16 |
Correct |
20 ms |
344 KB |
Output is correct |
| 17 |
Correct |
2 ms |
344 KB |
Output is correct |
| 18 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 5709 |
| 19 |
Correct |
3 ms |
344 KB |
Output is correct |
| 20 |
Correct |
10 ms |
344 KB |
Output is correct |
| 21 |
Correct |
11 ms |
344 KB |
Output is correct |
| 22 |
Correct |
5 ms |
344 KB |
Output is correct |
| 23 |
Correct |
2 ms |
344 KB |
Output is correct |
| 24 |
Correct |
2 ms |
344 KB |
Output is correct |
| 25 |
Correct |
20 ms |
344 KB |
Output is correct |
| 26 |
Correct |
17 ms |
344 KB |
Output is correct |
| 27 |
Correct |
2 ms |
344 KB |
Output is correct |
| 28 |
Partially correct |
31 ms |
344 KB |
Partially correct - number of queries: 6407 |
| 29 |
Partially correct |
19 ms |
344 KB |
Partially correct - number of queries: 5095 |
| 30 |
Partially correct |
29 ms |
344 KB |
Partially correct - number of queries: 5657 |
| 31 |
Correct |
2 ms |
344 KB |
Output is correct |
| 32 |
Correct |
4 ms |
344 KB |
Output is correct |
| 33 |
Correct |
0 ms |
344 KB |
Output is correct |
| 34 |
Correct |
7 ms |
424 KB |
Output is correct |
| 35 |
Correct |
3 ms |
344 KB |
Output is correct |
| 36 |
Correct |
7 ms |
344 KB |
Output is correct |
| 37 |
Correct |
4 ms |
344 KB |
Output is correct |
| 38 |
Correct |
3 ms |
344 KB |
Output is correct |
| 39 |
Correct |
12 ms |
344 KB |
Output is correct |
| 40 |
Correct |
17 ms |
344 KB |
Output is correct |
| 41 |
Correct |
14 ms |
344 KB |
Output is correct |
| 42 |
Correct |
18 ms |
344 KB |
Output is correct |
| 43 |
Correct |
15 ms |
340 KB |
Output is correct |
| 44 |
Correct |
11 ms |
344 KB |
Output is correct |
| 45 |
Correct |
9 ms |
344 KB |
Output is correct |
| 46 |
Correct |
2 ms |
356 KB |
Output is correct |
| 47 |
Correct |
15 ms |
344 KB |
Output is correct |
| 48 |
Correct |
15 ms |
344 KB |
Output is correct |
| 49 |
Correct |
6 ms |
344 KB |
Output is correct |
| 50 |
Partially correct |
26 ms |
344 KB |
Partially correct - number of queries: 5709 |
| 51 |
Correct |
10 ms |
344 KB |
Output is correct |
| 52 |
Correct |
2 ms |
344 KB |
Output is correct |
| 53 |
Correct |
5 ms |
344 KB |
Output is correct |
| 54 |
Correct |
10 ms |
344 KB |
Output is correct |
| 55 |
Correct |
2 ms |
344 KB |
Output is correct |
| 56 |
Partially correct |
30 ms |
596 KB |
Partially correct - number of queries: 5708 |
| 57 |
Correct |
16 ms |
344 KB |
Output is correct |
| 58 |
Correct |
18 ms |
344 KB |
Output is correct |
| 59 |
Correct |
14 ms |
344 KB |
Output is correct |
| 60 |
Correct |
13 ms |
344 KB |
Output is correct |
| 61 |
Correct |
3 ms |
344 KB |
Output is correct |
| 62 |
Correct |
2 ms |
344 KB |
Output is correct |
| 63 |
Correct |
2 ms |
428 KB |
Output is correct |
| 64 |
Correct |
2 ms |
540 KB |
Output is correct |
| 65 |
Correct |
2 ms |
344 KB |
Output is correct |
| 66 |
Correct |
3 ms |
344 KB |
Output is correct |
| 67 |
Correct |
2 ms |
344 KB |
Output is correct |
| 68 |
Correct |
2 ms |
596 KB |
Output is correct |
| 69 |
Correct |
4 ms |
344 KB |
Output is correct |
| 70 |
Correct |
3 ms |
344 KB |
Output is correct |
| 71 |
Partially correct |
26 ms |
344 KB |
Partially correct - number of queries: 5695 |
| 72 |
Correct |
4 ms |
344 KB |
Output is correct |
| 73 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 5618 |
| 74 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 5650 |
| 75 |
Correct |
2 ms |
344 KB |
Output is correct |
| 76 |
Correct |
24 ms |
344 KB |
Output is correct |
| 77 |
Partially correct |
29 ms |
344 KB |
Partially correct - number of queries: 5706 |
| 78 |
Correct |
6 ms |
344 KB |
Output is correct |
| 79 |
Correct |
17 ms |
344 KB |
Output is correct |
| 80 |
Partially correct |
31 ms |
344 KB |
Partially correct - number of queries: 5721 |
| 81 |
Partially correct |
26 ms |
340 KB |
Partially correct - number of queries: 5708 |
| 82 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 5651 |
| 83 |
Correct |
2 ms |
344 KB |
Output is correct |
| 84 |
Correct |
23 ms |
344 KB |
Output is correct |
| 85 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5691 |
| 86 |
Correct |
2 ms |
344 KB |
Output is correct |
| 87 |
Correct |
2 ms |
344 KB |
Output is correct |
| 88 |
Correct |
2 ms |
344 KB |
Output is correct |
| 89 |
Correct |
2 ms |
344 KB |
Output is correct |
| 90 |
Correct |
2 ms |
344 KB |
Output is correct |
| 91 |
Correct |
2 ms |
344 KB |
Output is correct |
| 92 |
Correct |
2 ms |
344 KB |
Output is correct |
| 93 |
Correct |
4 ms |
596 KB |
Output is correct |
| 94 |
Correct |
4 ms |
344 KB |
Output is correct |
| 95 |
Correct |
4 ms |
344 KB |
Output is correct |
| 96 |
Correct |
4 ms |
344 KB |
Output is correct |
| 97 |
Correct |
2 ms |
344 KB |
Output is correct |
