| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 316331 | 2020-10-25T21:55:19 Z | nikatamliani | The Big Prize (IOI17_prize) | C++14 | 62 ms | 5396 KB |
#include <bits/stdc++.h>
using namespace std;
#include "prize.h"
vector < vector < int > > memo;
vector < int > memo_ask(int x) {
if(!memo[x].empty()) return memo[x];
return memo[x] = ask(x);
}
int find_best(int n) {
int next = -1, at_most = min(472, n - 1);
const int BLOCK_SIZE = 500;
vector < int > bad(2);
memo.resize(n);
int limit = 40, cnt = 0;
for(int i = 0; i <= at_most; ++i) {
vector < int > cur = memo_ask(i);
if(bad[0] + bad[1] <= cur[0] + cur[1]) bad = cur;
if(cur[0] == 0 && cur[1] == 0) return i;
}
for(int i = 0; i <= at_most; ++i) {
if(bad[0] + bad[1] != memo_ask(i)[0] + memo_ask(i)[1]) {
++cnt;
}
}
vector < int > bad0 = bad, bad1(2);
if(cnt > limit) {
for(int i = 0; i <= at_most; ++i) {
if(bad[0] + bad[1] != memo_ask(i)[0] + memo_ask(i)[1]) {
bad1 = memo_ask(i);
}
}
}
for(int i = at_most + 1; i < n; i = next + 1) {
int l = i, r = n - 1; next = -1;
vector < int > t = memo_ask(i);
if(t[0] + t[1] != bad0[0] + bad0[1]) {
++cnt;
if(cnt <= limit) {
if(bad1[0] + bad1[1] <= t[0] + t[1]) {
bad1 = t;
}
} else {
bad1[0]++;
bad1[1]--;
}
next = i;
if(t[0] == 0 && t[1] == 0) return i;
continue;
}
bad0 = t;
int maybe = i + BLOCK_SIZE;
if(maybe < n) {
if(memo_ask(maybe) == bad0 || memo_ask(maybe) == bad1) {
next = maybe;
continue;
}
}
if(maybe < n) r = maybe - 1;
while(r >= l) {
int m = l + r >> 1;
if(memo_ask(m) == bad0) {
next = m;
l = m + 1;
} else {
r = m - 1;
}
}
assert(next >= i);
}
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 10 ms | 4992 KB | Output is correct |
| 2 | Correct | 10 ms | 5096 KB | Output is correct |
| 3 | Correct | 12 ms | 4984 KB | Output is correct |
| 4 | Correct | 15 ms | 4992 KB | Output is correct |
| 5 | Correct | 12 ms | 5088 KB | Output is correct |
| 6 | Correct | 4 ms | 4992 KB | Output is correct |
| 7 | Correct | 11 ms | 5120 KB | Output is correct |
| 8 | Correct | 12 ms | 4984 KB | Output is correct |
| 9 | Correct | 10 ms | 4984 KB | Output is correct |
| 10 | Correct | 12 ms | 5116 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 9 ms | 4992 KB | Output is correct |
| 2 | Correct | 11 ms | 4992 KB | Output is correct |
| 3 | Correct | 12 ms | 4992 KB | Output is correct |
| 4 | Correct | 16 ms | 5120 KB | Output is correct |
| 5 | Correct | 10 ms | 4984 KB | Output is correct |
| 6 | Correct | 4 ms | 4992 KB | Output is correct |
| 7 | Correct | 15 ms | 4992 KB | Output is correct |
| 8 | Correct | 12 ms | 4992 KB | Output is correct |
| 9 | Correct | 12 ms | 4992 KB | Output is correct |
| 10 | Correct | 15 ms | 4992 KB | Output is correct |
| 11 | Correct | 12 ms | 4992 KB | Output is correct |
| 12 | Correct | 8 ms | 4984 KB | Output is correct |
| 13 | Correct | 23 ms | 5100 KB | Output is correct |
| 14 | Correct | 8 ms | 896 KB | Output is correct |
| 15 | Correct | 15 ms | 5112 KB | Output is correct |
| 16 | Correct | 42 ms | 5240 KB | Output is correct |
| 17 | Correct | 6 ms | 5112 KB | Output is correct |
| 18 | Partially correct | 52 ms | 5168 KB | Partially correct - number of queries: 5480 |
| 19 | Correct | 9 ms | 4992 KB | Output is correct |
| 20 | Correct | 21 ms | 2688 KB | Output is correct |
| 21 | Correct | 25 ms | 5112 KB | Output is correct |
| 22 | Correct | 11 ms | 4992 KB | Output is correct |
| 23 | Correct | 9 ms | 5120 KB | Output is correct |
| 24 | Correct | 9 ms | 4992 KB | Output is correct |
| 25 | Correct | 30 ms | 5120 KB | Output is correct |
| 26 | Correct | 33 ms | 5112 KB | Output is correct |
| 27 | Correct | 10 ms | 4992 KB | Output is correct |
| 28 | Partially correct | 45 ms | 5240 KB | Partially correct - number of queries: 5490 |
| 29 | Correct | 39 ms | 5104 KB | Output is correct |
| 30 | Partially correct | 46 ms | 5240 KB | Partially correct - number of queries: 5511 |
| 31 | Correct | 8 ms | 4984 KB | Output is correct |
| 32 | Correct | 16 ms | 5112 KB | Output is correct |
| 33 | Correct | 1 ms | 256 KB | Output is correct |
| 34 | Correct | 14 ms | 5148 KB | Output is correct |
| 35 | Correct | 13 ms | 4992 KB | Output is correct |
| 36 | Correct | 18 ms | 5112 KB | Output is correct |
| 37 | Correct | 10 ms | 4984 KB | Output is correct |
| 38 | Correct | 7 ms | 4964 KB | Output is correct |
| 39 | Correct | 30 ms | 5144 KB | Output is correct |
| 40 | Correct | 40 ms | 5240 KB | Output is correct |
| 41 | Correct | 31 ms | 5112 KB | Output is correct |
| 42 | Correct | 31 ms | 5112 KB | Output is correct |
| 43 | Correct | 28 ms | 5116 KB | Output is correct |
| 44 | Correct | 27 ms | 5112 KB | Output is correct |
| 45 | Correct | 24 ms | 5112 KB | Output is correct |
| 46 | Correct | 7 ms | 4984 KB | Output is correct |
| 47 | Correct | 30 ms | 5112 KB | Output is correct |
| 48 | Correct | 34 ms | 5112 KB | Output is correct |
| 49 | Correct | 12 ms | 4992 KB | Output is correct |
| 50 | Partially correct | 50 ms | 5368 KB | Partially correct - number of queries: 5462 |
| 51 | Correct | 28 ms | 5112 KB | Output is correct |
| 52 | Correct | 8 ms | 5120 KB | Output is correct |
| 53 | Correct | 16 ms | 5112 KB | Output is correct |
| 54 | Correct | 28 ms | 5112 KB | Output is correct |
| 55 | Correct | 8 ms | 4992 KB | Output is correct |
| 56 | Partially correct | 54 ms | 5240 KB | Partially correct - number of queries: 5474 |
| 57 | Correct | 45 ms | 5112 KB | Output is correct |
| 58 | Correct | 40 ms | 5396 KB | Output is correct |
| 59 | Correct | 38 ms | 5240 KB | Output is correct |
| 60 | Correct | 32 ms | 5112 KB | Output is correct |
| 61 | Correct | 17 ms | 5112 KB | Output is correct |
| 62 | Correct | 10 ms | 5120 KB | Output is correct |
| 63 | Correct | 15 ms | 4984 KB | Output is correct |
| 64 | Correct | 12 ms | 4992 KB | Output is correct |
| 65 | Correct | 16 ms | 4992 KB | Output is correct |
| 66 | Correct | 20 ms | 5112 KB | Output is correct |
| 67 | Correct | 18 ms | 4992 KB | Output is correct |
| 68 | Correct | 8 ms | 5120 KB | Output is correct |
| 69 | Correct | 20 ms | 5112 KB | Output is correct |
| 70 | Correct | 16 ms | 5112 KB | Output is correct |
| 71 | Partially correct | 46 ms | 5244 KB | Partially correct - number of queries: 5193 |
| 72 | Correct | 15 ms | 5120 KB | Output is correct |
| 73 | Partially correct | 31 ms | 5220 KB | Partially correct - number of queries: 5123 |
| 74 | Partially correct | 52 ms | 5112 KB | Partially correct - number of queries: 5153 |
| 75 | Correct | 16 ms | 5112 KB | Output is correct |
| 76 | Correct | 44 ms | 5112 KB | Output is correct |
| 77 | Partially correct | 55 ms | 5240 KB | Partially correct - number of queries: 5435 |
| 78 | Correct | 20 ms | 5112 KB | Output is correct |
| 79 | Correct | 32 ms | 5112 KB | Output is correct |
| 80 | Partially correct | 62 ms | 5240 KB | Partially correct - number of queries: 5438 |
| 81 | Partially correct | 58 ms | 5240 KB | Partially correct - number of queries: 5407 |
| 82 | Partially correct | 38 ms | 5232 KB | Partially correct - number of queries: 5377 |
| 83 | Correct | 11 ms | 5212 KB | Output is correct |
| 84 | Correct | 47 ms | 5112 KB | Output is correct |
| 85 | Partially correct | 55 ms | 5240 KB | Partially correct - number of queries: 5384 |
| 86 | Correct | 15 ms | 5120 KB | Output is correct |
| 87 | Correct | 15 ms | 5120 KB | Output is correct |
| 88 | Correct | 19 ms | 5112 KB | Output is correct |
| 89 | Correct | 15 ms | 5120 KB | Output is correct |
| 90 | Correct | 13 ms | 5112 KB | Output is correct |
| 91 | Correct | 15 ms | 5112 KB | Output is correct |
| 92 | Correct | 17 ms | 5112 KB | Output is correct |
| 93 | Correct | 16 ms | 5120 KB | Output is correct |
| 94 | Correct | 16 ms | 5120 KB | Output is correct |
| 95 | Correct | 18 ms | 5112 KB | Output is correct |
| 96 | Correct | 16 ms | 5024 KB | Output is correct |
| 97 | Correct | 14 ms | 5112 KB | Output is correct |