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Submission #423115

# Submission time Handle Problem Language Result Execution time Memory
423115 2021-06-10T17:48:59 Z Pbezz The Big Prize (IOI17_prize) C++14
20 / 100
 1 ms 328 KB 
#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
typedef pair<ll,ll> pii;

const ll MAXN=2e5+5;
const ll INF=1e9+7;


int find_best(int n) {
ll i;

	ll lo=0,hi=n-1,mid;
	while(hi-lo>=2){

	mid = lo+(hi-lo)/2;

	vector<int> res = ask(mid);
	if(res[0]+res[1]==0)return mid;

	if(res[0]==1){
	hi=mid;
	}else{
	lo=mid;
	}
}
//cout<<lo<<" "<<hi<<endl;
	for(i=lo;i<=hi;i++){

	vector<int> res = ask(i);//cout<<i<<" "<<res[0]<<" "<<res[1]<<endl;
	if(res[0]+res[1]==0)return i;


}





	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 280 KB Output is correct
3 Correct 1 ms 280 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 280 KB Output is correct
7 Correct 1 ms 284 KB Output is correct
8 Correct 1 ms 280 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 1 ms 200 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 280 KB Output is correct
2 Correct 1 ms 288 KB Output is correct
3 Correct 1 ms 284 KB Output is correct
4 Correct 1 ms 284 KB Output is correct
5 Correct 1 ms 284 KB Output is correct
6 Correct 1 ms 200 KB Output is correct
7 Correct 1 ms 200 KB Output is correct
8 Correct 1 ms 200 KB Output is correct
9 Correct 0 ms 276 KB Output is correct
10 Correct 1 ms 200 KB Output is correct
11 Incorrect 1 ms 200 KB answer is not correct
12 Halted 0 ms 0 KB -