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Submission #1029104

# Submission time Handle Problem Language Result Execution time Memory
1029104 2024-07-20T12:26:40 Z amirhoseinfar1385 The Big Prize (IOI17_prize) C++17
20 / 100
 379 ms 1256 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) {
	int cnta=0;
	for(int i=0;i<n;){
		//cout<<i<<endl;
		pair<int,int>av=pors(i);
		if(av.first+av.second==0){
			return i;
		}
		cnta++;
		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;
				}
			}
		}
		low=max(low,i);
		high=n;
		while(high-low>1){
			mid=(high+low)>>1;
			fake=pors(mid);
			//cout<<i<<" "<<mid<<" "<<av.first<<" "<<av.second<<" "<<fake.first<<" "<<fake.second<<endl;
			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 0 ms 344 KB Output is correct
3 Correct 0 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 1 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 0 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 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 0 ms 344 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 6 ms 468 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 20 ms 672 KB Output is correct
16 Runtime error 379 ms 1256 KB Execution failed because the return code was nonzero
17 Halted 0 ms 0 KB -