oj.uz

Submission #90041

# Submission time Handle Problem Language Result Execution time Memory
90041 2018-12-19T22:08:29 Z nikolapesic2802 The Big Prize (IOI17_prize) C++14
100 / 100
 91 ms 10556 KB 
/*
	-http://ioi2017.org/tasks/editorial/prize.pdf , https://github.com/timpostuvan/CompetitiveProgramming/blob/master/Olympiad/IOI/Prize2017.cpp
*/
#include <bits/stdc++.h>
#include "prize.h"
using namespace std;

const int N=2e5+5;
map<int,vector<int> > mapa[N];
int sol=-1;
void solve(int l,int r)
{
    if(sol!=-1||l>r)
        return;
    int m=(l+r)>>1;
    vector<int> cur=ask(m);
    int sum=cur[0]+cur[1];
    if(sum==0)
    {
        sol=m;
        return;
    }
    int left=1,right=1;
    auto it=mapa[sum].upper_bound(m);
    if(it!=mapa[sum].end())
    {
        if((*it).second[0]==cur[0])
            right=0;
    }
    if(it!=mapa[sum].end())
    {
        if((*it).second[0]==cur[0])
            right=0;
    }
    if(it!=mapa[sum].begin())
        it--;
    if(it!=mapa[sum].begin())
    {
        if((*it).second[1]==cur[1])
            left=0;
    }
    mapa[sum][m]=cur;
    if(left)
        solve(l,m-1);
    if(right)
        solve(m+1,r);
}
int find_best(int n) {
    solve(0,n-1);
    return sol;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 9856 KB Output is correct
2 Correct 12 ms 9856 KB Output is correct
3 Correct 12 ms 9908 KB Output is correct
4 Correct 11 ms 9908 KB Output is correct
5 Correct 12 ms 9908 KB Output is correct
6 Correct 10 ms 9908 KB Output is correct
7 Correct 10 ms 9908 KB Output is correct
8 Correct 10 ms 9972 KB Output is correct
9 Correct 10 ms 9972 KB Output is correct
10 Correct 9 ms 9972 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9972 KB Output is correct
2 Correct 11 ms 10048 KB Output is correct
3 Correct 12 ms 10048 KB Output is correct
4 Correct 11 ms 10048 KB Output is correct
5 Correct 11 ms 10048 KB Output is correct
6 Correct 12 ms 10048 KB Output is correct
7 Correct 10 ms 10048 KB Output is correct
8 Correct 12 ms 10048 KB Output is correct
9 Correct 11 ms 10048 KB Output is correct
10 Correct 11 ms 10048 KB Output is correct
11 Correct 13 ms 10048 KB Output is correct
12 Correct 11 ms 10048 KB Output is correct
13 Correct 17 ms 10048 KB Output is correct
14 Correct 14 ms 10048 KB Output is correct
15 Correct 18 ms 10048 KB Output is correct
16 Correct 52 ms 10356 KB Output is correct
17 Correct 11 ms 10356 KB Output is correct
18 Correct 58 ms 10428 KB Output is correct
19 Correct 12 ms 10428 KB Output is correct
20 Correct 17 ms 10428 KB Output is correct
21 Correct 29 ms 10428 KB Output is correct
22 Correct 14 ms 10428 KB Output is correct
23 Correct 10 ms 10428 KB Output is correct
24 Correct 10 ms 10428 KB Output is correct
25 Correct 17 ms 10428 KB Output is correct
26 Correct 24 ms 10428 KB Output is correct
27 Correct 23 ms 10428 KB Output is correct
28 Correct 51 ms 10428 KB Output is correct
29 Correct 50 ms 10428 KB Output is correct
30 Correct 32 ms 10548 KB Output is correct
31 Correct 10 ms 10548 KB Output is correct
32 Correct 14 ms 10548 KB Output is correct
33 Correct 9 ms 10548 KB Output is correct
34 Correct 25 ms 10548 KB Output is correct
35 Correct 13 ms 10548 KB Output is correct
36 Correct 20 ms 10548 KB Output is correct
37 Correct 12 ms 10548 KB Output is correct
38 Correct 11 ms 10548 KB Output is correct
39 Correct 22 ms 10548 KB Output is correct
40 Correct 31 ms 10548 KB Output is correct
41 Correct 41 ms 10548 KB Output is correct
42 Correct 40 ms 10548 KB Output is correct
43 Correct 22 ms 10548 KB Output is correct
44 Correct 30 ms 10548 KB Output is correct
45 Correct 24 ms 10548 KB Output is correct
46 Correct 11 ms 10548 KB Output is correct
47 Correct 31 ms 10548 KB Output is correct
48 Correct 45 ms 10548 KB Output is correct
49 Correct 15 ms 10548 KB Output is correct
50 Correct 59 ms 10548 KB Output is correct
51 Correct 25 ms 10548 KB Output is correct
52 Correct 11 ms 10548 KB Output is correct
53 Correct 12 ms 10548 KB Output is correct
54 Correct 33 ms 10548 KB Output is correct
55 Correct 11 ms 10548 KB Output is correct
56 Correct 59 ms 10548 KB Output is correct
57 Correct 49 ms 10548 KB Output is correct
58 Correct 50 ms 10548 KB Output is correct
59 Correct 37 ms 10548 KB Output is correct
60 Correct 35 ms 10548 KB Output is correct
61 Correct 13 ms 10548 KB Output is correct
62 Correct 12 ms 10548 KB Output is correct
63 Correct 13 ms 10548 KB Output is correct
64 Correct 13 ms 10548 KB Output is correct
65 Correct 12 ms 10548 KB Output is correct
66 Correct 12 ms 10548 KB Output is correct
67 Correct 12 ms 10548 KB Output is correct
68 Correct 11 ms 10548 KB Output is correct
69 Correct 12 ms 10548 KB Output is correct
70 Correct 10 ms 10548 KB Output is correct
71 Correct 55 ms 10548 KB Output is correct
72 Correct 16 ms 10548 KB Output is correct
73 Correct 58 ms 10548 KB Output is correct
74 Correct 56 ms 10548 KB Output is correct
75 Correct 11 ms 10548 KB Output is correct
76 Correct 39 ms 10548 KB Output is correct
77 Correct 91 ms 10548 KB Output is correct
78 Correct 14 ms 10548 KB Output is correct
79 Correct 39 ms 10548 KB Output is correct
80 Correct 58 ms 10556 KB Output is correct
81 Correct 59 ms 10556 KB Output is correct
82 Correct 56 ms 10556 KB Output is correct
83 Correct 10 ms 10556 KB Output is correct
84 Correct 50 ms 10556 KB Output is correct
85 Correct 56 ms 10556 KB Output is correct
86 Correct 17 ms 10556 KB Output is correct
87 Correct 13 ms 10556 KB Output is correct
88 Correct 16 ms 10556 KB Output is correct
89 Correct 12 ms 10556 KB Output is correct
90 Correct 41 ms 10556 KB Output is correct
91 Correct 11 ms 10556 KB Output is correct
92 Correct 10 ms 10556 KB Output is correct
93 Correct 12 ms 10556 KB Output is correct
94 Correct 14 ms 10556 KB Output is correct
95 Correct 16 ms 10556 KB Output is correct
96 Correct 15 ms 10556 KB Output is correct
97 Correct 9 ms 10556 KB Output is correct