oj.uz

Submission #43125

# Submission time Handle Problem Language Result Execution time Memory
43125 2018-03-09T09:58:53 Z RayaBurong25_1 The Big Prize (IOI17_prize) C++14
0 / 100
 1 ms 4364 KB 
#include "prize.h"
#include <stdio.h>
#include <vector>
#include <algorithm>
int L[200005], R[200005];
int V[200005];
int min(int a, int b)
{
	return (a < b)?a:b;
}
int max(int a, int b)
{
	return (a > b)?a:b;
}
int find_best(int n) {
	int i;
	for (i = 0; i < n; i++)
		L[i] = -1;
	int mn, md, mx;
	//first sig
	std::vector<int> r;
	r = ask(0);
	L[0] = r[0];
	R[0] = r[1];
	if (R[0] == 0)
		return 0;
	int sigl = 0, sigr = n - 1;
	while (sigl < sigr)
	{
		mn = sigl;
		mx = sigr;
		while (mx != mn)
		{
			if (mx - mn == 1)
			{
				sigl = mx;
				break;
			}
			md = (mn + mx)/2;
			if (L[md] == -1)
			{
				r = ask(md);
				L[md] = r[0];
				R[md] = r[1];
			}
			if (L[md] == L[sigl] && R[md] == R[sigl])
				mn = md;
			else
				mx = md;
		}
		if (sigl >= sigr)
			break;
		if (L[sigl] == -1)
		{
			r = ask(sigl);
			L[sigl] = r[0];
			R[sigl] = r[1];
		}
		if (L[sigl] == 0 && R[sigl] == 0)
			return sigl;

		mn = sigl;
		mx = sigr;
		while (mx != mn)
		{
			if (mx - mn == 1)
			{
				sigr = mn;
				break;
			}
			md = (mn + mx)/2;
			if (L[md] == -1)
			{
				r = ask(md);
				L[md] = r[0];
				R[md] = r[1];
			}
			if (L[md] == L[sigr] && R[md] == R[sigr])
				mx = md;
			else
				mn = md;
		}
		if (sigr <= sigl)
			break;
		if (L[sigr] == -1)
		{
			r = ask(sigr);
			L[sigr] = r[0];
			R[sigr] = r[1];
		}
		if (L[sigr] == 0 && R[sigr] == 0)
			return sigl;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:94:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4364 KB Output is correct
2 Correct 0 ms 4364 KB Output is correct
3 Correct 0 ms 4364 KB Output is correct
4 Incorrect 1 ms 4364 KB Integer 33585264 violates the range [0, 199999]
5 Halted 0 ms 0 KB -

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4364 KB Integer 33585264 violates the range [0, 199999]
2 Halted 0 ms 0 KB -