| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 95221 |
2019-01-28T17:04:22 Z |
MvC |
The Big Prize (IOI17_prize) |
C++11 |
|
103 ms |
5264 KB |
#include "prize.h"
#include<bits/stdc++.h>
#include <vector>
#include <algorithm>
#include <set>
using namespace std;
int m, res;
bool flag = false;
vector<int> mem[200005];
vector<int> qr(int x){
if(mem[x].size() == 0) mem[x] = ask(x);
return mem[x];
}
void solve(int l, int r, int num, int bef){
if(num == 0) return;
if(l > r) return;
int mid = (l+r)/2;
vector<int> resp = qr(mid);
if(resp[0]+resp[1] == 0){
res = mid;
flag = true;
return;
}
int b = mid;
while(resp[0]+resp[1] != m && b < r){
b++;
resp = qr(b);
if(resp[0]+resp[1] == 0){
res = b;
flag = true;
return;
}
}
if(resp[0]+resp[1] == m){
solve(b+1, r, num-(resp[0]-bef), resp[0]);
if(flag) return;
solve(l, mid-1, resp[0]-(b-mid)-bef, bef);
if(flag) return;
} else{
solve(l, mid-1, num, bef);
}
return;
}
int find_best(int n) {
srand(time(0));
if(n <= 5000){
for(int i=0; i<n; i++){
vector<int> resp = qr(i);
if(resp[0]+resp[1] == 0) return i;
}
}
vector<int> resp;
set<int> s;
for(int x=0; x<1000; x++){
int i = rand()%n;
resp = qr(i);
if(resp[0]+resp[1] == 0) return i;
s.insert(resp[0]+resp[1]);
m = max(m, resp[0]+resp[1]);
if(s.size() == 4) break;
}
solve(0, n-1, m, 0);
return res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
9 ms |
5112 KB |
Output is correct |
| 3 |
Correct |
14 ms |
5112 KB |
Output is correct |
| 4 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 5 |
Correct |
12 ms |
5112 KB |
Output is correct |
| 6 |
Correct |
9 ms |
5140 KB |
Output is correct |
| 7 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 8 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 9 |
Correct |
13 ms |
4984 KB |
Output is correct |
| 10 |
Correct |
12 ms |
5160 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 2 |
Correct |
13 ms |
5032 KB |
Output is correct |
| 3 |
Correct |
9 ms |
5032 KB |
Output is correct |
| 4 |
Correct |
12 ms |
4984 KB |
Output is correct |
| 5 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 6 |
Correct |
14 ms |
5112 KB |
Output is correct |
| 7 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 8 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 9 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 10 |
Correct |
14 ms |
5112 KB |
Output is correct |
| 11 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 12 |
Correct |
17 ms |
4984 KB |
Output is correct |
| 13 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 14 |
Correct |
18 ms |
4984 KB |
Output is correct |
| 15 |
Correct |
37 ms |
5152 KB |
Output is correct |
| 16 |
Correct |
13 ms |
5164 KB |
Output is correct |
| 17 |
Partially correct |
39 ms |
5264 KB |
Partially correct - number of queries: 5427 |
| 18 |
Correct |
15 ms |
5112 KB |
Output is correct |
| 19 |
Partially correct |
49 ms |
5112 KB |
Partially correct - number of queries: 5183 |
| 20 |
Correct |
25 ms |
5168 KB |
Output is correct |
| 21 |
Correct |
39 ms |
5112 KB |
Output is correct |
| 22 |
Correct |
44 ms |
5108 KB |
Output is correct |
| 23 |
Correct |
10 ms |
5152 KB |
Output is correct |
| 24 |
Correct |
17 ms |
5112 KB |
Output is correct |
| 25 |
Correct |
28 ms |
5032 KB |
Output is correct |
| 26 |
Correct |
32 ms |
5120 KB |
Output is correct |
| 27 |
Correct |
10 ms |
5152 KB |
Output is correct |
| 28 |
Correct |
15 ms |
5112 KB |
Output is correct |
| 29 |
Correct |
12 ms |
5156 KB |
Output is correct |
| 30 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 31 |
Partially correct |
26 ms |
5184 KB |
Partially correct - number of queries: 5411 |
| 32 |
Correct |
11 ms |
5136 KB |
Output is correct |
| 33 |
Correct |
6 ms |
4904 KB |
Output is correct |
| 34 |
Correct |
22 ms |
5148 KB |
Output is correct |
| 35 |
Correct |
16 ms |
4984 KB |
Output is correct |
| 36 |
Correct |
47 ms |
5112 KB |
Output is correct |
| 37 |
Correct |
11 ms |
5156 KB |
Output is correct |
| 38 |
Correct |
17 ms |
4984 KB |
Output is correct |
| 39 |
Correct |
34 ms |
5116 KB |
Output is correct |
| 40 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 41 |
Correct |
26 ms |
4984 KB |
Output is correct |
| 42 |
Correct |
31 ms |
4984 KB |
Output is correct |
| 43 |
Correct |
17 ms |
5208 KB |
Output is correct |
| 44 |
Correct |
35 ms |
5112 KB |
Output is correct |
| 45 |
Correct |
20 ms |
5232 KB |
Output is correct |
| 46 |
Partially correct |
27 ms |
5176 KB |
Partially correct - number of queries: 5442 |
| 47 |
Correct |
30 ms |
5112 KB |
Output is correct |
| 48 |
Correct |
24 ms |
4984 KB |
Output is correct |
| 49 |
Partially correct |
55 ms |
5160 KB |
Partially correct - number of queries: 5108 |
| 50 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 51 |
Correct |
36 ms |
5032 KB |
Output is correct |
| 52 |
Partially correct |
103 ms |
5200 KB |
Partially correct - number of queries: 5415 |
| 53 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 54 |
Correct |
23 ms |
5128 KB |
Output is correct |
| 55 |
Partially correct |
34 ms |
5224 KB |
Partially correct - number of queries: 5441 |
| 56 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 57 |
Correct |
25 ms |
5092 KB |
Output is correct |
| 58 |
Correct |
15 ms |
5188 KB |
Output is correct |
| 59 |
Correct |
34 ms |
5112 KB |
Output is correct |
| 60 |
Correct |
41 ms |
5096 KB |
Output is correct |
| 61 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 62 |
Correct |
15 ms |
4984 KB |
Output is correct |
| 63 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 64 |
Correct |
10 ms |
5136 KB |
Output is correct |
| 65 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 66 |
Correct |
11 ms |
5156 KB |
Output is correct |
| 67 |
Correct |
12 ms |
5048 KB |
Output is correct |
| 68 |
Correct |
9 ms |
5136 KB |
Output is correct |
| 69 |
Correct |
24 ms |
5112 KB |
Output is correct |
| 70 |
Correct |
15 ms |
5112 KB |
Output is correct |
| 71 |
Partially correct |
50 ms |
5112 KB |
Partially correct - number of queries: 5719 |
| 72 |
Correct |
18 ms |
4984 KB |
Output is correct |
| 73 |
Partially correct |
64 ms |
5068 KB |
Partially correct - number of queries: 5656 |
| 74 |
Partially correct |
55 ms |
5112 KB |
Partially correct - number of queries: 5683 |
| 75 |
Correct |
19 ms |
4984 KB |
Output is correct |
| 76 |
Partially correct |
43 ms |
5160 KB |
Partially correct - number of queries: 5086 |
| 77 |
Partially correct |
48 ms |
5256 KB |
Partially correct - number of queries: 5382 |
| 78 |
Correct |
19 ms |
4984 KB |
Output is correct |
| 79 |
Correct |
29 ms |
5112 KB |
Output is correct |
| 80 |
Partially correct |
51 ms |
5188 KB |
Partially correct - number of queries: 5408 |
| 81 |
Partially correct |
53 ms |
5104 KB |
Partially correct - number of queries: 5400 |
| 82 |
Partially correct |
47 ms |
5176 KB |
Partially correct - number of queries: 5396 |
| 83 |
Correct |
14 ms |
4984 KB |
Output is correct |
| 84 |
Correct |
48 ms |
5160 KB |
Output is correct |
| 85 |
Partially correct |
43 ms |
5168 KB |
Partially correct - number of queries: 5445 |
| 86 |
Correct |
15 ms |
5112 KB |
Output is correct |
| 87 |
Correct |
7 ms |
4984 KB |
Output is correct |
| 88 |
Correct |
37 ms |
5112 KB |
Output is correct |
| 89 |
Correct |
25 ms |
4984 KB |
Output is correct |
| 90 |
Correct |
10 ms |
4984 KB |
Output is correct |
| 91 |
Correct |
21 ms |
4984 KB |
Output is correct |
| 92 |
Correct |
42 ms |
5112 KB |
Output is correct |
| 93 |
Correct |
44 ms |
5240 KB |
Output is correct |
| 94 |
Correct |
45 ms |
5112 KB |
Output is correct |
| 95 |
Correct |
53 ms |
5112 KB |
Output is correct |
| 96 |
Correct |
28 ms |
5104 KB |
Output is correct |
| 97 |
Correct |
16 ms |
4984 KB |
Output is correct |
