Submission #1045201

# Submission time Handle Problem Language Result Execution time Memory
1045201 2024-08-05T18:48:21 Z beaconmc The Big Prize (IOI17_prize) C++14
20 / 100
79 ms 2244 KB
#include "prize.h"

#include <bits/stdc++.h>
 
typedef int ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;


map<ll, vector<ll>> cache;

vector<ll> query(int n){

	if (cache.count(n)) return cache[n];
	else return cache[n] = ask(n);
}


int find_best(int n) {
	cache.clear();
	vector<ll> stuff(n);

	FOR(i,0,n) stuff[i] = i;
	ll maxi = -1;
	FOR(i,0,min(500, n)){
		vector<ll> sus = query(i);
		maxi = max(maxi, sus[0]+sus[1]);
	}
	

	vector<ll> found;

	ll ans = -1;


	while (ans == -1){


		ll lo = 0;
		ll hi = stuff.size()-1;
		bool skip = false;
		while (lo < hi){


			ll mid = (lo+hi)/2;



			vector<ll> sus = query(stuff[mid]);


			if (sus[0] + sus[1] < maxi){
					
				if (sus[0]+sus[1]==0) return stuff[mid];
				found.push_back(stuff[mid]);
				stuff.erase(stuff.begin()+mid);
				skip = true;
				break;
			}else{
				sort(found.begin(), found.end());
				ll idk = upper_bound(found.begin(), found.end(), stuff[mid]) - found.begin();
				if (idk < sus[0]){
					hi = mid;
				}else{
					lo = mid+1;
				}
			}
		}
		if (skip) continue;
		vector<ll> sus = query(lo);
		if (sus[0]+sus[1]==0) return stuff[lo];
		found.push_back(stuff[lo]);
		stuff.erase(stuff.begin()+lo);

	}
	return 0;

}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1112 KB Output is correct
2 Correct 4 ms 1112 KB Output is correct
3 Correct 3 ms 1456 KB Output is correct
4 Correct 3 ms 1368 KB Output is correct
5 Correct 2 ms 1192 KB Output is correct
6 Correct 3 ms 1112 KB Output is correct
7 Correct 3 ms 1112 KB Output is correct
8 Correct 3 ms 1192 KB Output is correct
9 Correct 4 ms 1112 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 1624 KB Output is correct
2 Correct 3 ms 1112 KB Output is correct
3 Correct 3 ms 1368 KB Output is correct
4 Correct 2 ms 1108 KB Output is correct
5 Correct 3 ms 1112 KB Output is correct
6 Correct 2 ms 1112 KB Output is correct
7 Correct 3 ms 1260 KB Output is correct
8 Correct 4 ms 1112 KB Output is correct
9 Correct 2 ms 1112 KB Output is correct
10 Correct 3 ms 1112 KB Output is correct
11 Correct 4 ms 1112 KB Output is correct
12 Correct 3 ms 1108 KB Output is correct
13 Correct 7 ms 1112 KB Output is correct
14 Correct 4 ms 544 KB Output is correct
15 Correct 7 ms 1384 KB Output is correct
16 Partially correct 40 ms 1948 KB Partially correct - number of queries: 5022
17 Correct 3 ms 1112 KB Output is correct
18 Partially correct 49 ms 1616 KB Partially correct - number of queries: 6007
19 Correct 2 ms 1112 KB Output is correct
20 Correct 11 ms 856 KB Output is correct
21 Correct 14 ms 1624 KB Output is correct
22 Correct 5 ms 1112 KB Output is correct
23 Correct 2 ms 1112 KB Output is correct
24 Correct 2 ms 1112 KB Output is correct
25 Correct 19 ms 1368 KB Output is correct
26 Correct 20 ms 1624 KB Output is correct
27 Correct 3 ms 1112 KB Output is correct
28 Partially correct 41 ms 1872 KB Partially correct - number of queries: 5524
29 Correct 24 ms 1456 KB Output is correct
30 Partially correct 40 ms 1872 KB Partially correct - number of queries: 5923
31 Correct 2 ms 1112 KB Output is correct
32 Correct 3 ms 1112 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 15 ms 1360 KB Output is correct
35 Correct 3 ms 1112 KB Output is correct
36 Correct 9 ms 1368 KB Output is correct
37 Correct 2 ms 1112 KB Output is correct
38 Correct 3 ms 1112 KB Output is correct
39 Correct 14 ms 1368 KB Output is correct
40 Partially correct 28 ms 1732 KB Partially correct - number of queries: 5163
41 Correct 20 ms 1616 KB Output is correct
42 Correct 28 ms 1592 KB Output is correct
43 Correct 18 ms 1620 KB Output is correct
44 Correct 15 ms 1368 KB Output is correct
45 Correct 13 ms 1368 KB Output is correct
46 Correct 2 ms 1112 KB Output is correct
47 Correct 17 ms 1316 KB Output is correct
48 Correct 26 ms 1680 KB Output is correct
49 Correct 5 ms 1112 KB Output is correct
50 Partially correct 36 ms 1872 KB Partially correct - number of queries: 5979
51 Correct 19 ms 1724 KB Output is correct
52 Correct 3 ms 1368 KB Output is correct
53 Correct 5 ms 1112 KB Output is correct
54 Correct 16 ms 1624 KB Output is correct
55 Correct 3 ms 1112 KB Output is correct
56 Partially correct 43 ms 1868 KB Partially correct - number of queries: 5984
57 Correct 35 ms 1684 KB Output is correct
58 Correct 36 ms 1628 KB Output is correct
59 Correct 23 ms 1624 KB Output is correct
60 Correct 21 ms 1456 KB Output is correct
61 Correct 3 ms 1112 KB Output is correct
62 Correct 3 ms 1368 KB Output is correct
63 Correct 3 ms 1112 KB Output is correct
64 Correct 2 ms 1112 KB Output is correct
65 Correct 4 ms 1112 KB Output is correct
66 Correct 26 ms 1640 KB Output is correct
67 Correct 6 ms 1368 KB Output is correct
68 Correct 5 ms 1112 KB Output is correct
69 Correct 37 ms 1476 KB Output is correct
70 Correct 4 ms 1368 KB Output is correct
71 Incorrect 79 ms 2244 KB Incorrect
72 Halted 0 ms 0 KB -