Submission #1075565

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1075565	2024-08-26T07:44:28 Z	Abito	The Big Prize (IOI17_prize)	C++17	20 / 100	59 ms	2044 KB

prize

#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
const int N=2e5+5;
int ans[N][2],S=40;
int find_best(int n) {
	int s=0,mx=0;
	for (int i=0;i<min(500,n);i++){
		vector<int> v=ask(i);
		ans[i][0]=v[0];
		ans[i][1]=v[1];
		if (v[0]+v[1]==0) return i;
		if (v[0]+v[1]>mx){
			mx=v[0]+v[1];
			s=i;
		}
	}
	//cout<<s<<endl;
	for (int i=s;i+S<n;i+=S){
		vector<int> v=ask(i+S);
		ans[i+S][0]=v[0];
		ans[i+S][1]=v[1];
		if (v[0]+v[1]==0) return i+S;
		if (v[0]==ans[i][0] && v[1]==ans[i][1]) continue;
		for (int j=i+1;j<i+S;j++){
			v=ask(j);
			ans[j][0]=v[0];
			ans[j][1]=v[1];
			if (v[0]+v[1]==0) return j;
		}
	}
	for (int i=max(0,n-S);i<n;i++){
		vector<int> v=ask(i);
		ans[i][0]=v[0];
		ans[i][1]=v[1];
		if (v[0]+v[1]==0) return i;
	}
	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	600 KB	Output is correct
2	Correct	14 ms	1348 KB	Output is correct
3	Correct	18 ms	1156 KB	Output is correct
4	Correct	23 ms	1872 KB	Output is correct
5	Correct	12 ms	1112 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	13 ms	1128 KB	Output is correct
8	Correct	10 ms	1104 KB	Output is correct
9	Correct	19 ms	1360 KB	Output is correct
10	Correct	22 ms	2044 KB	Output is correct

Subtask #2

0 / 80.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	856 KB	Output is correct
2	Correct	17 ms	1316 KB	Output is correct
3	Correct	16 ms	1064 KB	Output is correct
4	Partially correct	24 ms	1872 KB	Partially correct - number of queries: 5539
5	Correct	18 ms	1360 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	15 ms	1104 KB	Output is correct
8	Correct	20 ms	1104 KB	Output is correct
9	Correct	12 ms	1104 KB	Output is correct
10	Partially correct	25 ms	1992 KB	Partially correct - number of queries: 5539
11	Correct	10 ms	856 KB	Output is correct
12	Correct	3 ms	344 KB	Output is correct
13	Partially correct	33 ms	1760 KB	Partially correct - number of queries: 6647
14	Correct	9 ms	600 KB	Output is correct
15	Correct	17 ms	600 KB	Output is correct
16	Incorrect	59 ms	940 KB	Incorrect
17	Halted	0 ms	0 KB	-