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Submission #913941

# Submission time Handle Problem Language Result Execution time Memory
913941 2024-01-20T15:45:56 Z LCJLY Coreputer (IOI23_coreputer) C++17
0 / 100
 1 ms 344 KB 
#include "coreputer.h"
#include <bits/stdc++.h>
using namespace std;

vector<int>malfunctioning_cores(int n) {
	int l=0;
	int r=n-1;
	int mid;
	int best=0;
	while(l<=r){
		mid=(l+r)/2;
		vector<int>v;
		for(int x=0;x<=mid;x++){
			v.push_back(x);
		}
		int hold=run_diagnostic(v);
		if(hold==-1){
			best=mid;
			l=mid+1;
		}
		else r=mid-1;
	}
	set<int>se;
	for(int x=best+1;x<n;x++){
		vector<int>v;
		for(int y=0;y<=x;y++){
			if(se.find(y)!=se.end()) continue;
			v.push_back(y);
		}
		int hold=run_diagnostic(v);
		if(hold==1||hold==0){
			se.insert(x);
		}
	}
	
	set<int>se2;
	for(auto it:se) se2.insert(it);
	se2.erase(prev(se2.end()));
	for(int x=best;x>=0;x--){
		vector<int>v;
		for(int y=n-1;y>=x;y--){
			if(se2.find(y)!=se2.end()) continue;
			v.push_back(y);
		}
		int hold=run_diagnostic(v);
		if(hold==1||hold==0){
			se2.insert(x);
		}
	}
	
	for(auto it:se2) se.insert(it);
	vector<int>ans;
	for(int x=0;x<n;x++){
		if(se.find(x)==se.end()) ans.push_back(0);
		else ans.push_back(1);
	}
	return ans;
}

//code

Subtask #1
0.0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 1 ms 344 KB Incorrect
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 344 KB Incorrect
2 Halted 0 ms 0 KB -