| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 949642 |
2024-03-19T14:01:59 Z |
qin |
The Big Prize (IOI17_prize) |
C++17 |
|
37 ms |
608 KB |
#include <bits/stdc++.h>
#include "prize.h"
#define fi first
#define se second
#define ssize(x) int(x.size())
#define pn printf("\n")
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(), x.rend()
#define vv vector
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
int inf = 2e09; ll infll = 2e18; int mod = 119<<23|1;
//~ #ifdef LOCAL
//~ vector<int> ask(int i){ return vector<int>(2, 0); }
//~ #endif
int SUM; // bound na checka, czy to jest gosc z lepszej, czy nie
int f(int l, int r, int resl, int resr){
//~ printf("%d %d\n", l, r);
int midl = (l+r)/2, midr = (l+r)/2;
int result = 0;
vv<int> tmp = ask(midl), tmp2 = tmp; int sum = tmp[0]+tmp[1];
while(sum != SUM && l < midl-1){
if(!sum){ return midl;}
--midl;
tmp = ask(midl); sum = tmp[0]+tmp[1];
}
if(!sum) return midl;
if(sum == SUM && resl != tmp[0]) result = max(result, f(l, midl, resl, tmp[0]));
sum = tmp2[0]+tmp2[1];
while(sum != SUM && midr+1 < r){
if(!sum) return midr;
++midr;
tmp = ask(midr); sum = tmp[0]+tmp[1];
}
if(!sum) return midr;
if(sum == SUM && resr != tmp[0]) result = max(result, f(midr, r, tmp[0], resr));
return result;
}
int find_best(int n){
//~ if(n <= 5000){
//~ vv<int> tmp; int result = 0;
//~ for(int i = 0; i < n; ++i){
//~ tmp = ask(i);
//~ if(!(tmp[0]+tmp[1])){ result = i; break; }
//~ } return result;
//~ }
int sq = 2*int(sqrt(n));
for(int i = 0; i < sq; ++i){
vv<int> tmp = ask(i); int sum = tmp[0]+tmp[1];
SUM = max(SUM, sum);
if(!sum) return i;
}
int l = 0, r = n-1, resl = 0, resr = 0;
vv<int> tmp;
for(int i = 0; i < n; ++i){
tmp = ask(i); int sum = tmp[0]+tmp[1];
if(sum == SUM){ l = i, resl = tmp[0]; break; }
else if(!sum) return i;
}
for(int i = n-1; ~i; --i){
tmp = ask(i); int sum = tmp[0]+tmp[1];
if(sum == SUM){ r = i, resr = tmp[0]; break; }
else if(!sum) return i;
}
return f(l, r, resl, resr);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
432 KB |
Output is correct |
| 2 |
Correct |
5 ms |
344 KB |
Output is correct |
| 3 |
Correct |
4 ms |
344 KB |
Output is correct |
| 4 |
Correct |
4 ms |
516 KB |
Output is correct |
| 5 |
Correct |
4 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
428 KB |
Output is correct |
| 7 |
Correct |
3 ms |
436 KB |
Output is correct |
| 8 |
Correct |
5 ms |
340 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
428 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
344 KB |
Output is correct |
| 2 |
Correct |
4 ms |
436 KB |
Output is correct |
| 3 |
Correct |
7 ms |
432 KB |
Output is correct |
| 4 |
Correct |
4 ms |
344 KB |
Output is correct |
| 5 |
Correct |
3 ms |
344 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
5 ms |
344 KB |
Output is correct |
| 8 |
Correct |
5 ms |
504 KB |
Output is correct |
| 9 |
Correct |
3 ms |
344 KB |
Output is correct |
| 10 |
Correct |
4 ms |
344 KB |
Output is correct |
| 11 |
Correct |
7 ms |
432 KB |
Output is correct |
| 12 |
Correct |
5 ms |
344 KB |
Output is correct |
| 13 |
Correct |
6 ms |
428 KB |
Output is correct |
| 14 |
Correct |
5 ms |
344 KB |
Output is correct |
| 15 |
Partially correct |
24 ms |
424 KB |
Partially correct - number of queries: 5292 |
| 16 |
Partially correct |
33 ms |
440 KB |
Partially correct - number of queries: 5545 |
| 17 |
Correct |
3 ms |
600 KB |
Output is correct |
| 18 |
Partially correct |
34 ms |
436 KB |
Partially correct - number of queries: 5516 |
| 19 |
Correct |
2 ms |
344 KB |
Output is correct |
| 20 |
Correct |
16 ms |
432 KB |
Output is correct |
| 21 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 5505 |
| 22 |
Correct |
24 ms |
436 KB |
Output is correct |
| 23 |
Correct |
4 ms |
432 KB |
Output is correct |
| 24 |
Correct |
6 ms |
344 KB |
Output is correct |
| 25 |
Partially correct |
31 ms |
344 KB |
Partially correct - number of queries: 5136 |
| 26 |
Partially correct |
29 ms |
344 KB |
Partially correct - number of queries: 5103 |
| 27 |
Correct |
5 ms |
432 KB |
Output is correct |
| 28 |
Partially correct |
21 ms |
432 KB |
Partially correct - number of queries: 5022 |
| 29 |
Correct |
19 ms |
344 KB |
Output is correct |
| 30 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 5490 |
| 31 |
Correct |
2 ms |
544 KB |
Output is correct |
| 32 |
Correct |
7 ms |
432 KB |
Output is correct |
| 33 |
Correct |
0 ms |
592 KB |
Output is correct |
| 34 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5527 |
| 35 |
Correct |
8 ms |
436 KB |
Output is correct |
| 36 |
Partially correct |
21 ms |
600 KB |
Partially correct - number of queries: 5459 |
| 37 |
Correct |
5 ms |
600 KB |
Output is correct |
| 38 |
Correct |
5 ms |
596 KB |
Output is correct |
| 39 |
Partially correct |
30 ms |
340 KB |
Partially correct - number of queries: 5462 |
| 40 |
Correct |
23 ms |
344 KB |
Output is correct |
| 41 |
Partially correct |
27 ms |
432 KB |
Partially correct - number of queries: 5505 |
| 42 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 5505 |
| 43 |
Partially correct |
29 ms |
344 KB |
Partially correct - number of queries: 5407 |
| 44 |
Partially correct |
24 ms |
432 KB |
Partially correct - number of queries: 5529 |
| 45 |
Partially correct |
19 ms |
344 KB |
Partially correct - number of queries: 5116 |
| 46 |
Correct |
2 ms |
344 KB |
Output is correct |
| 47 |
Partially correct |
23 ms |
608 KB |
Partially correct - number of queries: 5178 |
| 48 |
Partially correct |
37 ms |
344 KB |
Partially correct - number of queries: 5502 |
| 49 |
Partially correct |
23 ms |
344 KB |
Partially correct - number of queries: 5496 |
| 50 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5525 |
| 51 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5517 |
| 52 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 5534 |
| 53 |
Correct |
5 ms |
432 KB |
Output is correct |
| 54 |
Partially correct |
26 ms |
344 KB |
Partially correct - number of queries: 5498 |
| 55 |
Correct |
2 ms |
344 KB |
Output is correct |
| 56 |
Partially correct |
22 ms |
344 KB |
Partially correct - number of queries: 5497 |
| 57 |
Partially correct |
36 ms |
344 KB |
Partially correct - number of queries: 5496 |
| 58 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 5507 |
| 59 |
Partially correct |
28 ms |
432 KB |
Partially correct - number of queries: 5514 |
| 60 |
Partially correct |
30 ms |
344 KB |
Partially correct - number of queries: 5457 |
| 61 |
Correct |
4 ms |
344 KB |
Output is correct |
| 62 |
Correct |
4 ms |
600 KB |
Output is correct |
| 63 |
Correct |
4 ms |
344 KB |
Output is correct |
| 64 |
Correct |
4 ms |
440 KB |
Output is correct |
| 65 |
Correct |
4 ms |
344 KB |
Output is correct |
| 66 |
Correct |
5 ms |
344 KB |
Output is correct |
| 67 |
Correct |
10 ms |
344 KB |
Output is correct |
| 68 |
Correct |
2 ms |
344 KB |
Output is correct |
| 69 |
Correct |
5 ms |
344 KB |
Output is correct |
| 70 |
Correct |
5 ms |
344 KB |
Output is correct |
| 71 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5654 |
| 72 |
Correct |
7 ms |
436 KB |
Output is correct |
| 73 |
Partially correct |
26 ms |
344 KB |
Partially correct - number of queries: 5591 |
| 74 |
Partially correct |
26 ms |
344 KB |
Partially correct - number of queries: 5618 |
| 75 |
Correct |
5 ms |
344 KB |
Output is correct |
| 76 |
Partially correct |
28 ms |
344 KB |
Partially correct - number of queries: 5006 |
| 77 |
Partially correct |
27 ms |
344 KB |
Partially correct - number of queries: 5635 |
| 78 |
Correct |
6 ms |
432 KB |
Output is correct |
| 79 |
Correct |
13 ms |
344 KB |
Output is correct |
| 80 |
Partially correct |
25 ms |
344 KB |
Partially correct - number of queries: 5605 |
| 81 |
Partially correct |
28 ms |
540 KB |
Partially correct - number of queries: 5643 |
| 82 |
Partially correct |
24 ms |
344 KB |
Partially correct - number of queries: 5564 |
| 83 |
Correct |
4 ms |
344 KB |
Output is correct |
| 84 |
Correct |
23 ms |
436 KB |
Output is correct |
| 85 |
Partially correct |
21 ms |
344 KB |
Partially correct - number of queries: 5653 |
| 86 |
Correct |
6 ms |
432 KB |
Output is correct |
| 87 |
Correct |
4 ms |
344 KB |
Output is correct |
| 88 |
Correct |
8 ms |
344 KB |
Output is correct |
| 89 |
Correct |
7 ms |
432 KB |
Output is correct |
| 90 |
Correct |
5 ms |
344 KB |
Output is correct |
| 91 |
Correct |
6 ms |
432 KB |
Output is correct |
| 92 |
Correct |
5 ms |
344 KB |
Output is correct |
| 93 |
Correct |
7 ms |
436 KB |
Output is correct |
| 94 |
Correct |
6 ms |
432 KB |
Output is correct |
| 95 |
Correct |
8 ms |
436 KB |
Output is correct |
| 96 |
Correct |
6 ms |
436 KB |
Output is correct |
| 97 |
Correct |
5 ms |
340 KB |
Output is correct |
