Submission #296944

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
296944	2020-09-11T05:30:12 Z	kshitij_sodani	The Big Prize (IOI17_prize)	C++14	100 / 100	94 ms	47632 KB

prize

#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define a first
#define b second
#define pb push_back


#include "prize.h"
vector<int> pre[2000001];
pair<int,int> ma={-1,-1};
int ans;
vector<int> ask2(int i){
	if(pre[i].size()>0){
		return pre[i];
	}
	pre[i]=ask(i);
	return pre[i];
}
void run(int l,int r,int aa,int bb){
	if(aa+bb==ma.a){
		return ;
	}
	if(l>r){
		return;
	}
	//cout<<l<<":"<<r<<":"<<aa<<":"<<bb<<endl;
	int mid=(l+r)/2;
	int xx=0;
	for(int i=mid;i>=l;i--){
		vector<int> res=ask2(i);
		if(res[0]+res[1]==ma.a){
			if(i>l){
				run(l,i-1,aa,res[1]);
			}
			if(mid<r){
				run(mid+1,r,res[0]+xx,bb);
			}
			return;
		}
		xx++;
	}
	if(mid<r){
		run(mid+1,r,aa+xx,bb);
	}
}
int find_best(int n) {
	
	for(int i=0;i<min(500,n);i++){
		vector<int> res=ask2(i);
		if(res[0]+res[1]>ma.a){
			ma={res[0]+res[1],i};
		}
		if(ma.a>100){
			break;
		}
	}
	run(0,n-1,0,0);

	for(int i=0;i<n;i++){
		if(pre[i].size()>0){
			if(pre[i][0]+pre[i][1]==0){
				return i;
			}
		}
	}




	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	38 ms	47224 KB	Output is correct
2	Correct	40 ms	47232 KB	Output is correct
3	Correct	37 ms	47232 KB	Output is correct
4	Correct	39 ms	47404 KB	Output is correct
5	Correct	42 ms	47224 KB	Output is correct
6	Correct	38 ms	47252 KB	Output is correct
7	Correct	39 ms	47352 KB	Output is correct
8	Correct	42 ms	47232 KB	Output is correct
9	Correct	37 ms	47264 KB	Output is correct
10	Correct	40 ms	47232 KB	Output is correct

Subtask #2

80.0 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	39 ms	47224 KB	Output is correct
2	Correct	38 ms	47224 KB	Output is correct
3	Correct	38 ms	47232 KB	Output is correct
4	Correct	39 ms	47232 KB	Output is correct
5	Correct	37 ms	47232 KB	Output is correct
6	Correct	35 ms	47336 KB	Output is correct
7	Correct	38 ms	47352 KB	Output is correct
8	Correct	39 ms	47232 KB	Output is correct
9	Correct	36 ms	47256 KB	Output is correct
10	Correct	39 ms	47232 KB	Output is correct
11	Correct	42 ms	47352 KB	Output is correct
12	Correct	42 ms	47352 KB	Output is correct
13	Correct	43 ms	47340 KB	Output is correct
14	Correct	41 ms	47360 KB	Output is correct
15	Correct	75 ms	47424 KB	Output is correct
16	Correct	76 ms	47356 KB	Output is correct
17	Correct	81 ms	47392 KB	Output is correct
18	Correct	74 ms	47352 KB	Output is correct
19	Correct	70 ms	47484 KB	Output is correct
20	Correct	61 ms	47480 KB	Output is correct
21	Correct	87 ms	47352 KB	Output is correct
22	Correct	68 ms	47416 KB	Output is correct
23	Correct	38 ms	47348 KB	Output is correct
24	Correct	42 ms	47364 KB	Output is correct
25	Correct	75 ms	47440 KB	Output is correct
26	Correct	69 ms	47352 KB	Output is correct
27	Correct	38 ms	47232 KB	Output is correct
28	Correct	69 ms	47432 KB	Output is correct
29	Correct	75 ms	47404 KB	Output is correct
30	Correct	86 ms	47476 KB	Output is correct
31	Correct	57 ms	47468 KB	Output is correct
32	Correct	46 ms	47352 KB	Output is correct
33	Correct	33 ms	47224 KB	Output is correct
34	Correct	62 ms	47544 KB	Output is correct
35	Correct	41 ms	47264 KB	Output is correct
36	Correct	85 ms	47552 KB	Output is correct
37	Correct	45 ms	47352 KB	Output is correct
38	Correct	42 ms	47232 KB	Output is correct
39	Correct	60 ms	47460 KB	Output is correct
40	Correct	78 ms	47352 KB	Output is correct
41	Correct	83 ms	47568 KB	Output is correct
42	Correct	77 ms	47360 KB	Output is correct
43	Correct	57 ms	47460 KB	Output is correct
44	Correct	89 ms	47352 KB	Output is correct
45	Correct	78 ms	47352 KB	Output is correct
46	Correct	59 ms	47632 KB	Output is correct
47	Correct	81 ms	47368 KB	Output is correct
48	Correct	74 ms	47452 KB	Output is correct
49	Correct	79 ms	47384 KB	Output is correct
50	Correct	94 ms	47352 KB	Output is correct
51	Correct	75 ms	47444 KB	Output is correct
52	Correct	92 ms	47352 KB	Output is correct
53	Correct	40 ms	47232 KB	Output is correct
54	Correct	74 ms	47360 KB	Output is correct
55	Correct	87 ms	47352 KB	Output is correct
56	Correct	81 ms	47352 KB	Output is correct
57	Correct	74 ms	47500 KB	Output is correct
58	Correct	62 ms	47472 KB	Output is correct
59	Correct	71 ms	47356 KB	Output is correct
60	Correct	68 ms	47352 KB	Output is correct
61	Correct	40 ms	47360 KB	Output is correct
62	Correct	36 ms	47376 KB	Output is correct
63	Correct	42 ms	47264 KB	Output is correct
64	Correct	38 ms	47232 KB	Output is correct
65	Correct	38 ms	47232 KB	Output is correct
66	Correct	37 ms	47352 KB	Output is correct
67	Correct	38 ms	47352 KB	Output is correct
68	Correct	37 ms	47224 KB	Output is correct
69	Correct	39 ms	47232 KB	Output is correct
70	Correct	36 ms	47232 KB	Output is correct
71	Correct	86 ms	47356 KB	Output is correct
72	Correct	43 ms	47352 KB	Output is correct
73	Correct	73 ms	47480 KB	Output is correct
74	Correct	70 ms	47352 KB	Output is correct
75	Correct	40 ms	47360 KB	Output is correct
76	Correct	78 ms	47352 KB	Output is correct
77	Correct	74 ms	47480 KB	Output is correct
78	Correct	44 ms	47352 KB	Output is correct
79	Correct	55 ms	47356 KB	Output is correct
80	Correct	76 ms	47352 KB	Output is correct
81	Correct	68 ms	47480 KB	Output is correct
82	Correct	70 ms	47352 KB	Output is correct
83	Correct	40 ms	47224 KB	Output is correct
84	Correct	78 ms	47352 KB	Output is correct
85	Correct	86 ms	47480 KB	Output is correct
86	Correct	39 ms	47232 KB	Output is correct
87	Correct	38 ms	47232 KB	Output is correct
88	Correct	35 ms	47232 KB	Output is correct
89	Correct	36 ms	47224 KB	Output is correct
90	Correct	37 ms	47232 KB	Output is correct
91	Correct	35 ms	47232 KB	Output is correct
92	Correct	40 ms	47232 KB	Output is correct
93	Correct	40 ms	47360 KB	Output is correct
94	Correct	42 ms	47352 KB	Output is correct
95	Correct	42 ms	47480 KB	Output is correct
96	Correct	40 ms	47360 KB	Output is correct
97	Correct	38 ms	47308 KB	Output is correct