| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 705766 | 2023-03-05T07:10:24 Z | Abrar_Al_Samit | The Big Prize (IOI17_prize) | C++17 | 71 ms | 11344 KB |
#include<bits/stdc++.h>
#include "prize.h"
using namespace std;
const int nax = 2e5 + 1;
vector<vector<int>>mem(nax, vector<int>(2, -1));
vector<int>ASK(int i) {
if(mem[i][0]==-1) {
mem[i] = ask(i);
}
return mem[i];
}
int find_best(int n) {
int sq = min(n, 500);
int mx = -1, id;
int cnt = 0;
auto up = [&] () {
++cnt;
if(cnt>10000) assert(false);
};
vector<int>prv;
for(int i=0; i<sq; ++i) {
up();
auto v = ASK(i);
if(v[0]+v[1]==0) {
return i;
}
if(v[0]+v[1]>mx) {
mx = v[0] + v[1];
id = i;
prv = v;
if(mx*mx>n) break;
}
}
while(id<n-1) {
int to = min(n-1, id+sq);
up();
auto cr = ASK(to);
if(cr[0]==prv[0] && cr[1]==prv[1]) {
id = to;
continue;
}
int l = 0, r = to-id;
while(l<r) {
int mid = (l+r+1)/2;
up();
cr = ASK(id+mid);
if(cr[0]==prv[0] && cr[1]==prv[1]) {
l = mid;
} else {
r = mid-1;
}
}
id += l+1;
while(id<n) {
up();
cr = ASK(id);
if(cr[0]+cr[1]==0) {
return id;
}
if(cr[0]+cr[1]==mx) {
prv = cr;
break;
}
++id;
}
}
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 17 ms | 11216 KB | Output is correct |
| 2 | Correct | 19 ms | 11268 KB | Output is correct |
| 3 | Correct | 13 ms | 11216 KB | Output is correct |
| 4 | Correct | 15 ms | 11216 KB | Output is correct |
| 5 | Correct | 17 ms | 11264 KB | Output is correct |
| 6 | Correct | 11 ms | 11180 KB | Output is correct |
| 7 | Correct | 16 ms | 11340 KB | Output is correct |
| 8 | Correct | 17 ms | 11268 KB | Output is correct |
| 9 | Correct | 17 ms | 11168 KB | Output is correct |
| 10 | Correct | 19 ms | 11184 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 18 ms | 11264 KB | Output is correct |
| 2 | Correct | 16 ms | 11264 KB | Output is correct |
| 3 | Correct | 20 ms | 11216 KB | Output is correct |
| 4 | Correct | 19 ms | 11260 KB | Output is correct |
| 5 | Correct | 13 ms | 11344 KB | Output is correct |
| 6 | Correct | 10 ms | 11216 KB | Output is correct |
| 7 | Correct | 13 ms | 11216 KB | Output is correct |
| 8 | Correct | 15 ms | 11216 KB | Output is correct |
| 9 | Correct | 14 ms | 11216 KB | Output is correct |
| 10 | Correct | 26 ms | 11224 KB | Output is correct |
| 11 | Correct | 20 ms | 11264 KB | Output is correct |
| 12 | Correct | 14 ms | 11260 KB | Output is correct |
| 13 | Correct | 19 ms | 11216 KB | Output is correct |
| 14 | Correct | 16 ms | 11216 KB | Output is correct |
| 15 | Correct | 20 ms | 11264 KB | Output is correct |
| 16 | Correct | 47 ms | 11260 KB | Output is correct |
| 17 | Correct | 11 ms | 11228 KB | Output is correct |
| 18 | Correct | 47 ms | 11216 KB | Output is correct |
| 19 | Correct | 12 ms | 11268 KB | Output is correct |
| 20 | Correct | 18 ms | 11216 KB | Output is correct |
| 21 | Correct | 26 ms | 11260 KB | Output is correct |
| 22 | Correct | 20 ms | 11244 KB | Output is correct |
| 23 | Correct | 16 ms | 11240 KB | Output is correct |
| 24 | Correct | 14 ms | 11216 KB | Output is correct |
| 25 | Correct | 37 ms | 11216 KB | Output is correct |
| 26 | Correct | 30 ms | 11216 KB | Output is correct |
| 27 | Correct | 16 ms | 11152 KB | Output is correct |
| 28 | Correct | 71 ms | 11216 KB | Output is correct |
| 29 | Correct | 45 ms | 11216 KB | Output is correct |
| 30 | Correct | 48 ms | 11216 KB | Output is correct |
| 31 | Correct | 12 ms | 11216 KB | Output is correct |
| 32 | Correct | 17 ms | 11272 KB | Output is correct |
| 33 | Correct | 10 ms | 11216 KB | Output is correct |
| 34 | Correct | 17 ms | 11248 KB | Output is correct |
| 35 | Correct | 14 ms | 11344 KB | Output is correct |
| 36 | Correct | 20 ms | 11216 KB | Output is correct |
| 37 | Correct | 20 ms | 11268 KB | Output is correct |
| 38 | Correct | 14 ms | 11264 KB | Output is correct |
| 39 | Correct | 19 ms | 11264 KB | Output is correct |
| 40 | Correct | 29 ms | 11264 KB | Output is correct |
| 41 | Correct | 41 ms | 11160 KB | Output is correct |
| 42 | Correct | 24 ms | 11344 KB | Output is correct |
| 43 | Correct | 33 ms | 11248 KB | Output is correct |
| 44 | Correct | 24 ms | 11216 KB | Output is correct |
| 45 | Correct | 23 ms | 11216 KB | Output is correct |
| 46 | Correct | 15 ms | 11216 KB | Output is correct |
| 47 | Correct | 20 ms | 11240 KB | Output is correct |
| 48 | Correct | 44 ms | 11244 KB | Output is correct |
| 49 | Correct | 12 ms | 11216 KB | Output is correct |
| 50 | Correct | 45 ms | 11344 KB | Output is correct |
| 51 | Correct | 30 ms | 11260 KB | Output is correct |
| 52 | Correct | 12 ms | 11344 KB | Output is correct |
| 53 | Correct | 20 ms | 11264 KB | Output is correct |
| 54 | Correct | 26 ms | 11264 KB | Output is correct |
| 55 | Correct | 11 ms | 11216 KB | Output is correct |
| 56 | Correct | 46 ms | 11276 KB | Output is correct |
| 57 | Correct | 45 ms | 11268 KB | Output is correct |
| 58 | Correct | 49 ms | 11264 KB | Output is correct |
| 59 | Correct | 32 ms | 11268 KB | Output is correct |
| 60 | Correct | 29 ms | 11216 KB | Output is correct |
| 61 | Correct | 17 ms | 11264 KB | Output is correct |
| 62 | Correct | 13 ms | 11216 KB | Output is correct |
| 63 | Correct | 19 ms | 11240 KB | Output is correct |
| 64 | Correct | 14 ms | 11216 KB | Output is correct |
| 65 | Correct | 18 ms | 11260 KB | Output is correct |
| 66 | Correct | 25 ms | 11200 KB | Output is correct |
| 67 | Correct | 18 ms | 11164 KB | Output is correct |
| 68 | Correct | 15 ms | 11216 KB | Output is correct |
| 69 | Correct | 19 ms | 11216 KB | Output is correct |
| 70 | Correct | 14 ms | 11344 KB | Output is correct |
| 71 | Correct | 62 ms | 11216 KB | Output is correct |
| 72 | Correct | 26 ms | 11216 KB | Output is correct |
| 73 | Correct | 61 ms | 11260 KB | Output is correct |
| 74 | Correct | 59 ms | 11216 KB | Output is correct |
| 75 | Correct | 17 ms | 11216 KB | Output is correct |
| 76 | Correct | 37 ms | 11216 KB | Output is correct |
| 77 | Correct | 54 ms | 11160 KB | Output is correct |
| 78 | Correct | 20 ms | 11216 KB | Output is correct |
| 79 | Correct | 39 ms | 11224 KB | Output is correct |
| 80 | Correct | 63 ms | 11216 KB | Output is correct |
| 81 | Correct | 45 ms | 11264 KB | Output is correct |
| 82 | Correct | 35 ms | 11216 KB | Output is correct |
| 83 | Correct | 19 ms | 11256 KB | Output is correct |
| 84 | Correct | 37 ms | 11216 KB | Output is correct |
| 85 | Correct | 44 ms | 11216 KB | Output is correct |
| 86 | Correct | 21 ms | 11252 KB | Output is correct |
| 87 | Correct | 19 ms | 11272 KB | Output is correct |
| 88 | Correct | 23 ms | 11264 KB | Output is correct |
| 89 | Correct | 19 ms | 11216 KB | Output is correct |
| 90 | Correct | 16 ms | 11216 KB | Output is correct |
| 91 | Correct | 17 ms | 11228 KB | Output is correct |
| 92 | Correct | 17 ms | 11264 KB | Output is correct |
| 93 | Correct | 20 ms | 11160 KB | Output is correct |
| 94 | Correct | 20 ms | 11168 KB | Output is correct |
| 95 | Correct | 20 ms | 11228 KB | Output is correct |
| 96 | Correct | 19 ms | 11216 KB | Output is correct |
| 97 | Correct | 17 ms | 11172 KB | Output is correct |