oj.uz

Submission #1029091

# Submission time Handle Problem Language Result Execution time Memory
1029091 2024-07-20T12:19:35 Z amirhoseinfar1385 The Big Prize (IOI17_prize) C++17
20 / 100
 1000 ms 964 KB 
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
map<int,pair<int,int>>mp;
int cnt=0;

pair<int,int>pors(int u){
	if(mp.count(u)==0){
		cnt++;
		if(cnt>=10000){
			exit(23);
		}
		vector<int>hey=ask(u);
		mp[u]=make_pair(hey[0],hey[1]);
	}
	return mp[u];
}

int find_best(int n) {
	for(int i=0;i<n;){
		pair<int,int>av=pors(i);
		if(av.first+av.second==0){
			return i;
		}
		pair<int,int>fake;
		int low=i,high=n,mid;
		for(auto x:mp){
			mid=x.first;
			fake=pors(mid);
			if(fake.first+fake.second!=av.first+av.second){
				high=mid;
			}else{
				if(fake.first-av.first==0){
					low=mid;
				}else{
					high=mid;
				}
			}
		}
		while(high-low>1){
			mid=(high+low)>>1;
			fake=pors(mid);
			if(fake.first+fake.second!=av.first+av.second){
				high=mid;
			}else{
				if(fake.first-av.first==0){
					low=mid;
				}else{
					high=mid;
				}
			}
		}
		i=low+1;
	}
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #2
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 432 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 3 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Execution timed out 3066 ms 964 KB Time limit exceeded
14 Halted 0 ms 0 KB -