Submission #909843

#	Time	Username	Problem	Language	Result	Execution time	Memory
909843		MinhAnhnd	Coreputer (IOI23_coreputer)	C++17	75 / 100	1 ms	600 KiB

coreputer

#include "coreputer.h"
#include <bits/stdc++.h>

using namespace std;
std::vector<int> cut(int N, std::vector<int> m){
    std::vector<int> output;
    int maxi = -1;
    for (auto i:m){
        if (maxi>=i) continue;
        maxi = i;

        if((i<N) && (i>=0)){

            output.push_back(i);

        }
    }
    //for (auto i:output){cout<<i;}
    //cout<<endl;2
    return output;
}
std::vector<int> cuttee(int N, std::vector<int> m,int yes){
    std::vector<int> output;
    int maxi = -1;
    for (auto i:m){
        if (maxi>=i) continue;
        maxi = i;

        if((i<N) && (i>=0)){

            output.push_back(i);

        }
    }
    if (yes<N) output.push_back(yes);
    //for (auto i:output){cout<<i;}
    //cout<<endl;2
    return output;
}
std::vector<int> cutter(int N, std::vector<int> m,int no){
    std::vector<int> output;
    int maxi = -1;
    for (auto i:m){
        if (maxi>=i) continue;
        maxi = i;

        if((i<N) && (i>=0) && (i!=no)){

            output.push_back(i);

        }
    }
//for (auto i:output){cout<<i;}
    //cout<<endl;
    return output;
}
std::vector<int> malfunctioning_cores(int N) {
    long delta = 0;
    long delta2 = 0;
    vector<int> a;
    vector<int> larger;
    vector<int> smaller;
    vector<int> b;

    for (int i = 0;i<=min(7,N-1);i++){
        a.push_back(i);
    }
    int half = run_diagnostic(a);
    int state = abs(half);
    a.clear();

    if (half == 1){
        for (int i = 0;i<=min(7,N-1);i++){
        larger.push_back(i);
        }
    } else{
        for (int i = 8;i<=min(15,N-1);i++){
        delta = 8;
        delta2 = -8;
        larger.push_back(i);
        }
    }

    int fourth = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+4)));
    int eight;
    int onesix;
    int pos;
    if(state==fourth){
        eight = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+2)));
        if(eight==state){
            onesix = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+1)));
            pos = 2;
            if(onesix==state){
                pos = 1;
            }
        }
        else{
            onesix = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+3)));
            pos = 4;
            if(onesix==state){
                pos = 3;
            }
        }
    }
    else{
        eight = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+6)));
        if(eight==state){
            onesix = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+5)));
            pos = 6;
            if(onesix==state){
                pos = 5;
            }
        }
        else{
            onesix = run_diagnostic(cut(N,vector<int>(larger.begin(), larger.begin()+7)));
            pos = 8;
            if(onesix==state){
                pos = 7;
            }
        }
    }
    for (int i = 0;i<=N-1;i++){
        b.push_back(0);
    }
    b[delta+pos-1] = 1;
    long ileft = 1;
    long illeft = 0;
    long total = 0;
    for (int i = pos+1;i<=8;i++){
        vector<int> funnyright = vector<int>(larger.begin(), larger.begin()+pos-1);
        funnyright.push_back(larger[i-1]);
        int temp = run_diagnostic(cut(N,funnyright));
        if(temp==state) {b[delta+i-1] = 1;ileft++;}
    }
    vector<int> funnyright = vector<int>(larger.begin(), larger.begin()+pos);
    for (int i = 0;i<pos-1;i++){
        int temp = run_diagnostic(cutter(N,funnyright,larger[i]));
        if(temp!=state) {b[delta+i] = 1;ileft++;illeft++;}
    }
    if (state==0) total = illeft*2 + 2;
    else if ((fourth==0)||(eight==0)||(onesix==0)){
        total = illeft*2 + 2;
    } else{
        total = illeft*2 + 1;
    }
    //total = total/2;
    vector<int> funnyleft = vector<int>(larger.begin(), larger.begin()+pos-1);
    for (int i = 8;i<=15;i++){
        int temp = run_diagnostic(cuttee(N,funnyleft,i+delta2));
        if(temp==state) {b[i+delta2] = 1;}
    }

	return b;
}

Compilation message (stderr)

coreputer.cpp: In function 'std::vector<int> malfunctioning_cores(int)':
coreputer.cpp:128:10: warning: variable 'total' set but not used [-Wunused-but-set-variable]
  128 |     long total = 0;
      |          ^~~~~

• Subtask 1: 15 / 20
• Subtask 2: 30 / 40
• Subtask 3: 30 / 40