oj.uz

Submission #134530

# Submission time Handle Problem Language Result Execution time Memory
134530 2019-07-23T02:30:42 Z dvdg6566 The Big Prize (IOI17_prize) C++14
100 / 100
 64 ms 1648 KB 
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pi;
typedef vector<int> vi;
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define SZ(x) (int)x.size()
#define ALL(x) x.begin(),x.end()

int MAXQ = 0;
vi nextrow,cur;
vi currow;

void dnc(int s, int e, int loff, int roff){
	if (s > e)return;
	// cout<<"DNC "<<s<<' '<<e<<' '<<loff<<' '<<roff<<'\n';
	if (loff + roff == MAXQ)return; // None exist in this range
	if (s == e){
		nextrow.pb(currow[s]);
		return;
	}

	int m = (s+e)/2;
	int done=0;

	while(m<=e){
		cur = ask(currow[m]);
		// cout<<"Query "<<m<<' '<<cur[0]<<' '<<cur[1]<<'\n';
		if (cur[0]+cur[1] == MAXQ)break;
		nextrow.pb(currow[m]);
		++done;
		++m;
	}
	pi x = mp(cur[0],cur[1]);
	int lm = (s+e)/2;
	dnc(s,lm-1,loff,x.s+done);
	dnc(m+1,e,x.f,roff);
}

int find_best(int n) {
	for (int i=0;i<n;++i)currow.pb(i);
	while(1){
		MAXQ = 0;
		for (int i=0;i<sqrt(SZ(currow))+sqrt(sqrt(SZ(currow))) + 3&&i<SZ(currow);++i){
			vi x = ask(currow[i]);
			MAXQ = max(MAXQ, x[0] + x[1]);
		}
		// cout<<MAXQ<<'\n';
		dnc(0,SZ(currow)-1,0,0);
		// for (auto i : nextrow)cout<<i<<' ';cout<<'\n';
		// if (SZ(nextrow) == 2)break;
		sort(ALL(nextrow));
		if(SZ(nextrow) == 1)return nextrow[0];
		swap(nextrow,currow);
		nextrow.clear();
	}


	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1436 KB Output is correct
2 Correct 6 ms 1536 KB Output is correct
3 Correct 8 ms 1392 KB Output is correct
4 Correct 6 ms 1540 KB Output is correct
5 Correct 8 ms 1392 KB Output is correct
6 Correct 6 ms 1516 KB Output is correct
7 Correct 6 ms 1520 KB Output is correct
8 Correct 9 ms 1392 KB Output is correct
9 Correct 7 ms 1520 KB Output is correct
10 Correct 9 ms 1392 KB Output is correct

Subtask #2
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1392 KB Output is correct
2 Correct 9 ms 1520 KB Output is correct
3 Correct 7 ms 1412 KB Output is correct
4 Correct 6 ms 1452 KB Output is correct
5 Correct 9 ms 1520 KB Output is correct
6 Correct 9 ms 1392 KB Output is correct
7 Correct 6 ms 1520 KB Output is correct
8 Correct 9 ms 1392 KB Output is correct
9 Correct 8 ms 1392 KB Output is correct
10 Correct 9 ms 1520 KB Output is correct
11 Correct 8 ms 1520 KB Output is correct
12 Correct 12 ms 1448 KB Output is correct
13 Correct 15 ms 1452 KB Output is correct
14 Correct 15 ms 436 KB Output is correct
15 Correct 50 ms 1436 KB Output is correct
16 Correct 34 ms 1520 KB Output is correct
17 Correct 37 ms 1516 KB Output is correct
18 Correct 53 ms 1524 KB Output is correct
19 Correct 36 ms 1456 KB Output is correct
20 Correct 41 ms 884 KB Output is correct
21 Correct 37 ms 1392 KB Output is correct
22 Correct 51 ms 1392 KB Output is correct
23 Correct 10 ms 1456 KB Output is correct
24 Correct 16 ms 1520 KB Output is correct
25 Correct 53 ms 1392 KB Output is correct
26 Correct 45 ms 1388 KB Output is correct
27 Correct 7 ms 1524 KB Output is correct
28 Correct 48 ms 1392 KB Output is correct
29 Correct 25 ms 1520 KB Output is correct
30 Correct 28 ms 1392 KB Output is correct
31 Correct 49 ms 1532 KB Output is correct
32 Correct 15 ms 1392 KB Output is correct
33 Correct 2 ms 248 KB Output is correct
34 Correct 45 ms 1392 KB Output is correct
35 Correct 14 ms 1520 KB Output is correct
36 Correct 62 ms 1436 KB Output is correct
37 Correct 9 ms 1648 KB Output is correct
38 Correct 7 ms 1452 KB Output is correct
39 Correct 46 ms 1448 KB Output is correct
40 Correct 44 ms 1440 KB Output is correct
41 Correct 44 ms 1520 KB Output is correct
42 Correct 53 ms 1540 KB Output is correct
43 Correct 57 ms 1420 KB Output is correct
44 Correct 57 ms 1440 KB Output is correct
45 Correct 29 ms 1572 KB Output is correct
46 Correct 59 ms 1392 KB Output is correct
47 Correct 44 ms 1520 KB Output is correct
48 Correct 52 ms 1392 KB Output is correct
49 Correct 56 ms 1392 KB Output is correct
50 Correct 29 ms 1536 KB Output is correct
51 Correct 33 ms 1452 KB Output is correct
52 Correct 49 ms 1392 KB Output is correct
53 Correct 11 ms 1520 KB Output is correct
54 Correct 59 ms 1452 KB Output is correct
55 Correct 50 ms 1392 KB Output is correct
56 Correct 52 ms 1392 KB Output is correct
57 Correct 51 ms 1392 KB Output is correct
58 Correct 52 ms 1396 KB Output is correct
59 Correct 54 ms 1392 KB Output is correct
60 Correct 64 ms 1440 KB Output is correct
61 Correct 11 ms 1532 KB Output is correct
62 Correct 12 ms 1392 KB Output is correct
63 Correct 13 ms 1452 KB Output is correct
64 Correct 7 ms 1520 KB Output is correct
65 Correct 7 ms 1392 KB Output is correct
66 Correct 10 ms 1392 KB Output is correct
67 Correct 20 ms 1388 KB Output is correct
68 Correct 10 ms 1448 KB Output is correct
69 Correct 15 ms 1396 KB Output is correct
70 Correct 14 ms 1392 KB Output is correct
71 Correct 50 ms 1520 KB Output is correct
72 Correct 9 ms 1436 KB Output is correct
73 Correct 60 ms 1392 KB Output is correct
74 Correct 44 ms 1392 KB Output is correct
75 Correct 9 ms 1392 KB Output is correct
76 Correct 55 ms 1392 KB Output is correct
77 Correct 29 ms 1648 KB Output is correct
78 Correct 16 ms 1520 KB Output is correct
79 Correct 26 ms 1524 KB Output is correct
80 Correct 55 ms 1520 KB Output is correct
81 Correct 30 ms 1448 KB Output is correct
82 Correct 61 ms 1388 KB Output is correct
83 Correct 7 ms 1516 KB Output is correct
84 Correct 43 ms 1392 KB Output is correct
85 Correct 46 ms 1392 KB Output is correct
86 Correct 9 ms 1520 KB Output is correct
87 Correct 9 ms 1392 KB Output is correct
88 Correct 9 ms 1520 KB Output is correct
89 Correct 18 ms 1392 KB Output is correct
90 Correct 9 ms 1388 KB Output is correct
91 Correct 13 ms 1392 KB Output is correct
92 Correct 13 ms 1388 KB Output is correct
93 Correct 16 ms 1520 KB Output is correct
94 Correct 20 ms 1520 KB Output is correct
95 Correct 10 ms 1520 KB Output is correct
96 Correct 17 ms 1392 KB Output is correct
97 Correct 16 ms 1388 KB Output is correct