#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define mp make_pair
typedef pair<int, int> ii;
typedef pair<ii, int> iii;
typedef pair<ii, ii> iiii;
const int N = 3e5 + 5;
const int oo = 1e18 + 7, mod = 1e9 + 7;
int n;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l, int r){
int temp = rng() % (r - l + 1);
return abs(temp) + l;
}
vector<int> askk(int pos){
return ask(pos - 1);
}
int find_best(int N){
n = N;
if(n <= 5000){
for(int i = 1; i <= n; i++){
vector<int> res = askk(i);
if(res[0] == 0 && res[1] == 0) return i - 1;
}
}
//cout << "OK\n";
int mx = -1;
/*
for(int i = 1; i <= 500; i++){
vector<int> v = askk(rnd(1, n));
mx = max(mx, v[0] + v[1]);
}*/
int itr = 0, tot = 0;
while(1){
if(itr >= n) return n - 1;
int l = itr + 1, r = n;
bool ck = 0;
while(l < r){
int mid = (l + r) >> 1;
if(!ck) mid = min(l + 500, n);
vector<int> a = askk(mid);
mx = max(mx, a[0] + a[1]);
if(a[0] + a[1] != mx){
r = mid;
ck = 1;
}
else if(a[0] > tot){
r = mid;
ck = 1;
}
else l = mid + 1;
}
vector<int> v = askk(l);
if(!(v[0] + v[1])) return l - 1;
itr = l;
tot++;
/*
assert(l != n);
vector<int> v = ask(l + 1);
assert(v[0] + v[1] != mx);
if(!(v[0] + v[1])) return l + 1;
int temp = l + 1;
set<int> se;
se.insert(mx);
se.insert(v[0] + v[1]);*/
}
}
/*
void process(){
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
while(t--) process();
}
*/
Compilation message
prize.cpp:16:21: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
16 | const int oo = 1e18 + 7, mod = 1e9 + 7;
| ~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
2 ms |
276 KB |
Output is correct |
| 3 |
Correct |
3 ms |
208 KB |
Output is correct |
| 4 |
Correct |
4 ms |
296 KB |
Output is correct |
| 5 |
Correct |
2 ms |
208 KB |
Output is correct |
| 6 |
Correct |
1 ms |
292 KB |
Output is correct |
| 7 |
Correct |
2 ms |
300 KB |
Output is correct |
| 8 |
Correct |
2 ms |
336 KB |
Output is correct |
| 9 |
Correct |
2 ms |
292 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
208 KB |
Output is correct |
| 2 |
Correct |
4 ms |
276 KB |
Output is correct |
| 3 |
Correct |
1 ms |
292 KB |
Output is correct |
| 4 |
Correct |
4 ms |
292 KB |
Output is correct |
| 5 |
Correct |
3 ms |
292 KB |
Output is correct |
| 6 |
Correct |
1 ms |
296 KB |
Output is correct |
| 7 |
Correct |
2 ms |
208 KB |
Output is correct |
| 8 |
Correct |
5 ms |
208 KB |
Output is correct |
| 9 |
Correct |
7 ms |
208 KB |
Output is correct |
| 10 |
Correct |
4 ms |
208 KB |
Output is correct |
| 11 |
Correct |
2 ms |
292 KB |
Output is correct |
| 12 |
Correct |
1 ms |
208 KB |
Output is correct |
| 13 |
Correct |
9 ms |
208 KB |
Output is correct |
| 14 |
Correct |
3 ms |
208 KB |
Output is correct |
| 15 |
Correct |
4 ms |
296 KB |
Output is correct |
| 16 |
Correct |
36 ms |
280 KB |
Output is correct |
| 17 |
Correct |
1 ms |
280 KB |
Output is correct |
| 18 |
Partially correct |
41 ms |
300 KB |
Partially correct - number of queries: 5192 |
| 19 |
Correct |
1 ms |
272 KB |
Output is correct |
| 20 |
Correct |
14 ms |
296 KB |
Output is correct |
| 21 |
Correct |
17 ms |
276 KB |
Output is correct |
| 22 |
Correct |
3 ms |
208 KB |
Output is correct |
| 23 |
Correct |
1 ms |
292 KB |
Output is correct |
| 24 |
Correct |
2 ms |
292 KB |
Output is correct |
| 25 |
Correct |
23 ms |
208 KB |
Output is correct |
| 26 |
Correct |
31 ms |
280 KB |
Output is correct |
| 27 |
Correct |
1 ms |
208 KB |
Output is correct |
| 28 |
Partially correct |
35 ms |
272 KB |
Partially correct - number of queries: 5103 |
| 29 |
Correct |
31 ms |
296 KB |
Output is correct |
| 30 |
Partially correct |
76 ms |
208 KB |
Partially correct - number of queries: 5148 |
| 31 |
Correct |
2 ms |
208 KB |
Output is correct |
| 32 |
Correct |
7 ms |
296 KB |
Output is correct |
| 33 |
Correct |
1 ms |
208 KB |
Output is correct |
| 34 |
Correct |
14 ms |
208 KB |
Output is correct |
| 35 |
Correct |
6 ms |
280 KB |
Output is correct |
| 36 |
Correct |
13 ms |
208 KB |
Output is correct |
| 37 |
Correct |
2 ms |
208 KB |
Output is correct |
| 38 |
Correct |
1 ms |
208 KB |
Output is correct |
| 39 |
Correct |
39 ms |
208 KB |
Output is correct |
| 40 |
Correct |
37 ms |
276 KB |
Output is correct |
| 41 |
Correct |
25 ms |
296 KB |
Output is correct |
| 42 |
Correct |
33 ms |
208 KB |
Output is correct |
| 43 |
Correct |
35 ms |
208 KB |
Output is correct |
| 44 |
Correct |
12 ms |
208 KB |
Output is correct |
| 45 |
Correct |
26 ms |
296 KB |
Output is correct |
| 46 |
Correct |
1 ms |
208 KB |
Output is correct |
| 47 |
Correct |
27 ms |
208 KB |
Output is correct |
| 48 |
Correct |
61 ms |
300 KB |
Output is correct |
| 49 |
Correct |
5 ms |
208 KB |
Output is correct |
| 50 |
Partially correct |
68 ms |
276 KB |
Partially correct - number of queries: 5192 |
| 51 |
Correct |
18 ms |
208 KB |
Output is correct |
| 52 |
Correct |
1 ms |
292 KB |
Output is correct |
| 53 |
Correct |
3 ms |
296 KB |
Output is correct |
| 54 |
Correct |
32 ms |
208 KB |
Output is correct |
| 55 |
Correct |
1 ms |
208 KB |
Output is correct |
| 56 |
Partially correct |
41 ms |
272 KB |
Partially correct - number of queries: 5192 |
| 57 |
Correct |
18 ms |
292 KB |
Output is correct |
| 58 |
Correct |
35 ms |
276 KB |
Output is correct |
| 59 |
Correct |
30 ms |
208 KB |
Output is correct |
| 60 |
Correct |
29 ms |
292 KB |
Output is correct |
| 61 |
Correct |
3 ms |
208 KB |
Output is correct |
| 62 |
Correct |
1 ms |
208 KB |
Output is correct |
| 63 |
Correct |
5 ms |
208 KB |
Output is correct |
| 64 |
Correct |
3 ms |
292 KB |
Output is correct |
| 65 |
Correct |
6 ms |
208 KB |
Output is correct |
| 66 |
Partially correct |
55 ms |
280 KB |
Partially correct - number of queries: 5066 |
| 67 |
Correct |
3 ms |
292 KB |
Output is correct |
| 68 |
Correct |
33 ms |
272 KB |
Output is correct |
| 69 |
Correct |
58 ms |
272 KB |
Output is correct |
| 70 |
Correct |
3 ms |
292 KB |
Output is correct |
| 71 |
Partially correct |
43 ms |
208 KB |
Partially correct - number of queries: 5356 |
| 72 |
Correct |
8 ms |
208 KB |
Output is correct |
| 73 |
Partially correct |
62 ms |
208 KB |
Partially correct - number of queries: 5287 |
| 74 |
Partially correct |
55 ms |
208 KB |
Partially correct - number of queries: 5317 |
| 75 |
Correct |
4 ms |
208 KB |
Output is correct |
| 76 |
Correct |
35 ms |
208 KB |
Output is correct |
| 77 |
Partially correct |
63 ms |
208 KB |
Partially correct - number of queries: 5343 |
| 78 |
Correct |
7 ms |
208 KB |
Output is correct |
| 79 |
Correct |
22 ms |
208 KB |
Output is correct |
| 80 |
Partially correct |
26 ms |
292 KB |
Partially correct - number of queries: 5353 |
| 81 |
Partially correct |
43 ms |
208 KB |
Partially correct - number of queries: 5350 |
| 82 |
Partially correct |
54 ms |
208 KB |
Partially correct - number of queries: 5313 |
| 83 |
Correct |
6 ms |
208 KB |
Output is correct |
| 84 |
Correct |
45 ms |
208 KB |
Output is correct |
| 85 |
Partially correct |
58 ms |
292 KB |
Partially correct - number of queries: 5351 |
| 86 |
Partially correct |
56 ms |
208 KB |
Partially correct - number of queries: 5589 |
| 87 |
Correct |
13 ms |
208 KB |
Output is correct |
| 88 |
Partially correct |
52 ms |
208 KB |
Partially correct - number of queries: 5292 |
| 89 |
Partially correct |
50 ms |
208 KB |
Partially correct - number of queries: 5545 |
| 90 |
Correct |
3 ms |
208 KB |
Output is correct |
| 91 |
Correct |
34 ms |
300 KB |
Output is correct |
| 92 |
Partially correct |
48 ms |
208 KB |
Partially correct - number of queries: 5314 |
| 93 |
Partially correct |
25 ms |
328 KB |
Partially correct - number of queries: 5551 |
| 94 |
Partially correct |
55 ms |
208 KB |
Partially correct - number of queries: 5577 |
| 95 |
Partially correct |
56 ms |
208 KB |
Partially correct - number of queries: 5576 |
| 96 |
Partially correct |
47 ms |
280 KB |
Partially correct - number of queries: 5535 |
| 97 |
Correct |
3 ms |
272 KB |
Output is correct |
