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Submission #835876

# Submission time Handle Problem Language Result Execution time Memory
835876 2023-08-23T21:39:22 Z oscar1f The Big Prize (IOI17_prize) C++17
100 / 100
 72 ms 33520 KB 
#include<bits/stdc++.h>
#include "prize.h"
 
using namespace std;
 
const int MAX_VAL=200*1000+5;
int nbVal,nbPasMax,rep=-1;
set<int> memeSom[MAX_VAL]; 
vector<int> ans[MAX_VAL];

void calc(int deb,int fin) {
	if (fin<deb or rep!=-1) {
		return;
	}
	int mid=(deb+fin)/2;
	ans[mid]=ask(mid);
	int som=ans[mid][0]+ans[mid][1];
	if (som==0) {
		rep=mid;
	} 
	memeSom[som].insert(mid);
	auto it=memeSom[som].upper_bound(mid);
	if ((*it)==MAX_VAL or ans[mid][0]!=ans[(*it)][0]) {
		calc(mid+1,fin);
	}
	it=memeSom[som].lower_bound(mid);
	it--;
	if ((*it)==-MAX_VAL or ans[mid][0]!=ans[(*it)][0]) {
		calc(deb,mid-1);
	}
}
 
int find_best(int n) {
	nbVal=n;
	for (int i=0;i<nbVal;i++) {
		memeSom[i].insert(MAX_VAL);
		memeSom[i].insert(-MAX_VAL);
	}
	calc(0,nbVal-1);
	return rep;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 33156 KB Output is correct
2 Correct 27 ms 33208 KB Output is correct
3 Correct 27 ms 33152 KB Output is correct
4 Correct 30 ms 33064 KB Output is correct
5 Correct 26 ms 33140 KB Output is correct
6 Correct 28 ms 33156 KB Output is correct
7 Correct 26 ms 33032 KB Output is correct
8 Correct 26 ms 33140 KB Output is correct
9 Correct 26 ms 33164 KB Output is correct
10 Correct 26 ms 33080 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 33144 KB Output is correct
2 Correct 30 ms 33252 KB Output is correct
3 Correct 26 ms 33172 KB Output is correct
4 Correct 26 ms 33096 KB Output is correct
5 Correct 29 ms 33048 KB Output is correct
6 Correct 25 ms 33104 KB Output is correct
7 Correct 38 ms 33104 KB Output is correct
8 Correct 26 ms 33104 KB Output is correct
9 Correct 25 ms 33180 KB Output is correct
10 Correct 25 ms 33076 KB Output is correct
11 Correct 30 ms 33176 KB Output is correct
12 Correct 28 ms 33200 KB Output is correct
13 Correct 31 ms 33160 KB Output is correct
14 Correct 15 ms 16368 KB Output is correct
15 Correct 41 ms 33436 KB Output is correct
16 Correct 38 ms 33192 KB Output is correct
17 Correct 53 ms 33516 KB Output is correct
18 Correct 28 ms 33036 KB Output is correct
19 Correct 47 ms 33452 KB Output is correct
20 Correct 28 ms 23892 KB Output is correct
21 Correct 52 ms 33340 KB Output is correct
22 Correct 57 ms 33344 KB Output is correct
23 Correct 26 ms 33096 KB Output is correct
24 Correct 28 ms 33160 KB Output is correct
25 Correct 51 ms 33308 KB Output is correct
26 Correct 43 ms 33204 KB Output is correct
27 Correct 25 ms 33068 KB Output is correct
28 Correct 39 ms 33120 KB Output is correct
29 Correct 31 ms 33188 KB Output is correct
30 Correct 26 ms 33072 KB Output is correct
31 Correct 59 ms 33512 KB Output is correct
32 Correct 32 ms 33104 KB Output is correct
33 Correct 6 ms 14400 KB Output is correct
34 Correct 57 ms 33328 KB Output is correct
35 Correct 30 ms 33156 KB Output is correct
36 Correct 46 ms 33380 KB Output is correct
37 Correct 42 ms 33088 KB Output is correct
38 Correct 27 ms 33060 KB Output is correct
39 Correct 46 ms 33348 KB Output is correct
40 Correct 26 ms 33064 KB Output is correct
41 Correct 43 ms 33196 KB Output is correct
42 Correct 60 ms 33224 KB Output is correct
43 Correct 41 ms 33308 KB Output is correct
44 Correct 49 ms 33364 KB Output is correct
45 Correct 54 ms 33312 KB Output is correct
46 Correct 61 ms 33428 KB Output is correct
47 Correct 53 ms 33312 KB Output is correct
48 Correct 35 ms 33224 KB Output is correct
49 Correct 50 ms 33448 KB Output is correct
50 Correct 31 ms 33068 KB Output is correct
51 Correct 57 ms 33324 KB Output is correct
52 Correct 72 ms 33464 KB Output is correct
53 Correct 30 ms 33156 KB Output is correct
54 Correct 53 ms 33352 KB Output is correct
55 Correct 56 ms 33484 KB Output is correct
56 Correct 31 ms 33096 KB Output is correct
57 Correct 39 ms 33192 KB Output is correct
58 Correct 47 ms 33204 KB Output is correct
59 Correct 44 ms 33216 KB Output is correct
60 Correct 45 ms 33272 KB Output is correct
61 Correct 27 ms 33104 KB Output is correct
62 Correct 28 ms 33116 KB Output is correct
63 Correct 26 ms 33144 KB Output is correct
64 Correct 33 ms 33064 KB Output is correct
65 Correct 27 ms 33060 KB Output is correct
66 Correct 31 ms 33072 KB Output is correct
67 Correct 38 ms 33076 KB Output is correct
68 Correct 31 ms 33068 KB Output is correct
69 Correct 25 ms 33036 KB Output is correct
70 Correct 26 ms 33060 KB Output is correct
71 Correct 57 ms 33408 KB Output is correct
72 Correct 39 ms 33188 KB Output is correct
73 Correct 67 ms 33504 KB Output is correct
74 Correct 65 ms 33424 KB Output is correct
75 Correct 29 ms 33152 KB Output is correct
76 Correct 62 ms 33368 KB Output is correct
77 Correct 67 ms 33456 KB Output is correct
78 Correct 31 ms 33096 KB Output is correct
79 Correct 50 ms 33316 KB Output is correct
80 Correct 70 ms 33404 KB Output is correct
81 Correct 66 ms 33520 KB Output is correct
82 Correct 68 ms 33488 KB Output is correct
83 Correct 25 ms 33132 KB Output is correct
84 Correct 70 ms 33456 KB Output is correct
85 Correct 66 ms 33512 KB Output is correct
86 Correct 30 ms 33188 KB Output is correct
87 Correct 27 ms 33072 KB Output is correct
88 Correct 29 ms 33160 KB Output is correct
89 Correct 29 ms 33176 KB Output is correct
90 Correct 31 ms 33172 KB Output is correct
91 Correct 28 ms 33092 KB Output is correct
92 Correct 36 ms 33044 KB Output is correct
93 Correct 33 ms 33056 KB Output is correct
94 Correct 30 ms 33104 KB Output is correct
95 Correct 34 ms 33096 KB Output is correct
96 Correct 28 ms 33180 KB Output is correct
97 Correct 30 ms 33080 KB Output is correct