oj.uz

Submission #566535

# Submission time Handle Problem Language Result Execution time Memory
566535 2022-05-22T11:36:20 Z sofapuden The Big Prize (IOI17_prize) C++14
20 / 100
 61 ms 296 KB 
#include "prize.h"
#include<bits/stdc++.h>

using namespace std;

int ll = 0, rr = 0;

int f(int l, int r){
	if(l > r)return -1;
	int m = (l+r)/2;
	vector<int> v = ask(m);
	if(v[0] == 0)ll = l;
	if(v[1] == 1)rr = r;
	if(v[0] == 0 && v[1] == 0)return m;
	if(v[1] > v[0]){
		int x = f(max(m+1,ll),min(r,rr));
		if(x != -1)return x;
	}
	return f(max(l,ll),min(m-1,rr));
}

int find_best(int n) {
	rr = n-1;
	return f(0,n-1);
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 1 ms 288 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 260 KB Output is correct
10 Correct 1 ms 208 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 208 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 296 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 272 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Incorrect 61 ms 208 KB Incorrect
12 Halted 0 ms 0 KB -