Submission #596103

#	Time	Username	Problem	Language	Result	Execution time	Memory
596103		Mohammed_Atalah	The Big Prize (IOI17_prize)	C++17	20 / 100	1 ms	308 KiB

prize

// Template path: /home/mohammed/.config/sublime-text-3/Packages/User

#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;

// typedef
typedef long long ll;
typedef long double ld;
typedef vector<int> vecint;
typedef vector<char> vecchar;
typedef vector<string> vecstr;
typedef vector<long long> vecll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

// Marcos
#define endl ("\n")
// #define int long long
#define mod 1000000007
#define pi (3.141592653589)
#define REP(i,a,b) for (int i = a; i < b; i++)
#define RREP(i,a,b) for (int i = a; i > b; i--)
#define PFD(n) cout.precision(n) // PFN == Print Full Double
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr)

// Functions
long long squared(long long x) {return (x * x) % mod;}
int factorial(int n) {long long res = 1; for (int i = 1; i <= n; i++) {res = ((res * i) % mod + mod) % mod ;} return res;}
long long power(long long x, long long p) {if (p == 0) {return 1;} if (p % 2 == 1) {return (power(x, p - 1) * x) % mod;} return squared(power(x, p / 2));}



#include "prize.h"

int find_best(int n) {
	// for (int i = 0; i < n; i++) {
	// 	vector<int> res = ask(i);
	// 	if (res[0] + res[1] == 0)
	// 		return i;
	// }
	int l = 0; int r = n - 1;
	while (l <= r) {
		int mid = (l + r) / 2;
		vector<int> v =  ask(mid);
		if (v[0] == 1) {
			r = mid - 1;
		} else if (v[1] == 1) {
			l = mid + 1;
		} else {
			return mid;
		}
	}


	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80