oj.uz

Submission #699592

# Submission time Handle Problem Language Result Execution time Memory
699592 2023-02-17T13:02:48 Z urosk The Big Prize (IOI17_prize) C++14
100 / 100
 61 ms 12232 KB 
#include "prize.h"
#define here cerr<<"===========================================\n"
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#include "bits/stdc++.h"
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
#define ld double
#define ll int
#define llinf 100000000000000000LL // 10^17
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) (ll)(a.size())
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {cerr<<#a<<": ";for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define cer(a) {cerr<<#a<<": ";for(ll x_ : a) cerr<<x_<< " ";cerr<<endl;}

#define daj_mi_malo_vremena ios_base::sync_with_stdio(false);cerr.tie(0);cout.tie(0);cin.tie(0);

using namespace std;

#define maxn 200005
ll n;
ll ans = -1;
ll a[maxn][2],val[maxn];
set<ll> s[maxn];
void get(ll i){
    vector<ll> v = ask(i);
    a[i][0] = v[0],a[i][1] = v[1];
    val[i] = a[i][0] + a[i][1];
}
void reshi(ll l,ll r){
    if(l>r||(ans!=-1)) return;
    ll mid = (l+r)/2;
    get(mid);
    if(val[mid]==0){
        ans = mid;
        return;
    }
    ll sum = val[mid];
    auto it = s[sum].upper_bound(mid);
    ll lok = 1,rok = 1;
    if(it!=s[sum].end()){
        ll j = *it;
        if(j>r&&a[j][0]-a[mid][0]==0) rok = 0;
    }
    if(it!=s[sum].begin()){
        it--;
        ll j = *it;
        if(j<l&&a[mid][0]-a[j][0]==0) lok = 0;
    }
    s[sum].insert(mid);
    if(lok) reshi(l,mid-1);
    if(rok) reshi(mid+1,r);
}
int find_best(int N){
    n = N;
    reshi(0,n-1);
	return ans;
}
/*
8
3 1 3 2 3 3 2 3
*/

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9680 KB Output is correct
2 Correct 6 ms 9808 KB Output is correct
3 Correct 6 ms 9820 KB Output is correct
4 Correct 5 ms 9692 KB Output is correct
5 Correct 5 ms 9808 KB Output is correct
6 Correct 5 ms 9700 KB Output is correct
7 Correct 5 ms 9688 KB Output is correct
8 Correct 5 ms 9828 KB Output is correct
9 Correct 7 ms 9680 KB Output is correct
10 Correct 5 ms 9760 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9680 KB Output is correct
2 Correct 5 ms 9820 KB Output is correct
3 Correct 5 ms 9692 KB Output is correct
4 Correct 6 ms 9808 KB Output is correct
5 Correct 5 ms 9800 KB Output is correct
6 Correct 5 ms 9696 KB Output is correct
7 Correct 6 ms 9696 KB Output is correct
8 Correct 6 ms 9808 KB Output is correct
9 Correct 5 ms 9688 KB Output is correct
10 Correct 5 ms 9708 KB Output is correct
11 Correct 7 ms 10200 KB Output is correct
12 Correct 5 ms 9680 KB Output is correct
13 Correct 9 ms 10712 KB Output is correct
14 Correct 6 ms 9704 KB Output is correct
15 Correct 10 ms 10080 KB Output is correct
16 Correct 23 ms 11736 KB Output is correct
17 Correct 6 ms 9688 KB Output is correct
18 Correct 49 ms 12072 KB Output is correct
19 Correct 5 ms 9700 KB Output is correct
20 Correct 14 ms 10100 KB Output is correct
21 Correct 18 ms 10580 KB Output is correct
22 Correct 7 ms 9940 KB Output is correct
23 Correct 5 ms 9680 KB Output is correct
24 Correct 5 ms 9680 KB Output is correct
25 Correct 21 ms 11028 KB Output is correct
26 Correct 16 ms 10960 KB Output is correct
27 Correct 7 ms 9800 KB Output is correct
28 Correct 35 ms 11896 KB Output is correct
29 Correct 29 ms 11672 KB Output is correct
30 Correct 40 ms 12128 KB Output is correct
31 Correct 6 ms 9708 KB Output is correct
32 Correct 8 ms 10364 KB Output is correct
33 Correct 5 ms 9680 KB Output is correct
34 Correct 21 ms 10436 KB Output is correct
35 Correct 8 ms 10076 KB Output is correct
36 Correct 16 ms 10184 KB Output is correct
37 Correct 6 ms 9800 KB Output is correct
38 Correct 5 ms 9680 KB Output is correct
39 Correct 22 ms 10824 KB Output is correct
40 Correct 45 ms 12172 KB Output is correct
41 Correct 26 ms 11112 KB Output is correct
42 Correct 32 ms 11092 KB Output is correct
43 Correct 24 ms 10964 KB Output is correct
44 Correct 26 ms 10696 KB Output is correct
45 Correct 17 ms 10444 KB Output is correct
46 Correct 7 ms 9696 KB Output is correct
47 Correct 25 ms 10676 KB Output is correct
48 Correct 20 ms 11532 KB Output is correct
49 Correct 9 ms 9824 KB Output is correct
50 Correct 54 ms 12128 KB Output is correct
51 Correct 21 ms 10684 KB Output is correct
52 Correct 6 ms 9684 KB Output is correct
53 Correct 8 ms 10128 KB Output is correct
54 Correct 22 ms 10712 KB Output is correct
55 Correct 5 ms 9704 KB Output is correct
56 Correct 40 ms 12172 KB Output is correct
57 Correct 37 ms 11452 KB Output is correct
58 Correct 32 ms 11416 KB Output is correct
59 Correct 26 ms 11092 KB Output is correct
60 Correct 26 ms 11016 KB Output is correct
61 Correct 6 ms 10076 KB Output is correct
62 Correct 5 ms 9680 KB Output is correct
63 Correct 8 ms 10056 KB Output is correct
64 Correct 6 ms 9936 KB Output is correct
65 Correct 7 ms 9800 KB Output is correct
66 Correct 5 ms 9824 KB Output is correct
67 Correct 7 ms 9684 KB Output is correct
68 Correct 6 ms 9692 KB Output is correct
69 Correct 5 ms 9808 KB Output is correct
70 Correct 5 ms 9684 KB Output is correct
71 Correct 43 ms 12140 KB Output is correct
72 Correct 9 ms 10704 KB Output is correct
73 Correct 46 ms 12232 KB Output is correct
74 Correct 42 ms 12128 KB Output is correct
75 Correct 6 ms 10064 KB Output is correct
76 Correct 44 ms 12104 KB Output is correct
77 Correct 44 ms 12204 KB Output is correct
78 Correct 10 ms 10728 KB Output is correct
79 Correct 29 ms 11936 KB Output is correct
80 Correct 53 ms 12104 KB Output is correct
81 Correct 45 ms 12188 KB Output is correct
82 Correct 61 ms 12188 KB Output is correct
83 Correct 7 ms 10064 KB Output is correct
84 Correct 39 ms 12128 KB Output is correct
85 Correct 40 ms 12144 KB Output is correct
86 Correct 11 ms 10576 KB Output is correct
87 Correct 10 ms 10320 KB Output is correct
88 Correct 9 ms 10440 KB Output is correct
89 Correct 9 ms 10448 KB Output is correct
90 Correct 7 ms 10064 KB Output is correct
91 Correct 8 ms 10216 KB Output is correct
92 Correct 5 ms 9808 KB Output is correct
93 Correct 9 ms 10320 KB Output is correct
94 Correct 8 ms 10396 KB Output is correct
95 Correct 10 ms 10576 KB Output is correct
96 Correct 8 ms 10344 KB Output is correct
97 Correct 5 ms 9708 KB Output is correct