Submission #839558

#	Time	Username	Problem	Language	Result	Execution time	Memory
839558		model_code	Coreputer (IOI23_coreputer)	C++17	80 / 100	1 ms	288 KiB

coreputer

// partially_correct/solution-N+Half.cpp

#include "coreputer.h"

#include <iostream>

std::vector<int> malfunctioning_cores(int N) {
	std::vector<int> T;
	std::vector<int> c(N);

	int h = (N-1)/2;
	T.clear();
	for(int i=0; i<=h; i++) T.push_back(i);

	int res = run_diagnostic(T);
	if(res >= 0){
		while(h > 0){
			h--;
			T.clear();
			for(int i=0; i<=h; i++) T.push_back(i);
			if(run_diagnostic(T)==-1){
				h++;
				break;
			}
		}
	} else {
		while(++h < N-1){
			T.clear();
			for(int i=0; i<=h; i++) T.push_back(i);
			if(run_diagnostic(T)>=0) break;
		}
	}

	c[h] = 1;
	for(int i=0; i<h; i++){
		T.clear();
		for(int j=0; j<=h; j++){
			if(i!=j) T.push_back(j);
		}

		if(run_diagnostic(T)==-1) c[i] = 1;
	}

	h--;
	for(int i=h+2; i<N; i++){
		T.clear();
		for(int j=h+1; j<N; j++){
			if(i!=j) T.push_back(j);
		}

		if(run_diagnostic(T)<=0) c[i] = 1;
	}

	return c;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 40
• Subtask 3: 30 / 40