Submission #95678

#	Time	Username	Problem	Language	Result	Execution time	Memory
95678		tqbfjotld	Unscrambling a Messy Bug (IOI16_messy)	C++14	38 / 100	7 ms	460 KiB

messy

#include "messy.h"
#include <vector>
#include <string>
using namespace std;
bool visited[129];
vector<int> adjl[129];
int c = 0;
int ans[129];
void dfs(int node){
    ans[node] = c;
    c++;
    visited[node]=true;
    for (int x = 0; x<adjl[node].size(); x++){
        if (!visited[adjl[node][x]]){
            dfs(adjl[node][x]);
        }
    }

}
std::vector<int> restore_permutation(int n, int w, int r) {
    vector<string> original;

    for (int x = 0; x<n-1; x++){
        string s = "";
        for(int y = 0; y<n; y++){
            if (y==x||y==x+1){
                s+="1";
            }
            else s+="0";
        }
        add_element(s);
    }
    string k = "1";
    for (int x = 0; x<n-1; x++){
        k+="0";
    }
    add_element(k);
    compile_set();

    for (int x = 0; x<n; x++){
        for (int y = x+1; y<n; y++){
            k = "";
            for (int z = 0; z<n; z++){
                if (z==x||z==y) k+="1";
                else k+="0";
            }
            if (check_element(k)){
                adjl[x].push_back(y);
                adjl[y].push_back(x);
            }
        }
    }
    int start;
    for (int x = 0; x<n; x++){
        k = "";
        for (int z = 0; z<n; z++){
            if (z==x) k+="1";
            else k+="0";
        }
        if (check_element(k)){
            start = x;
        }
    }
    dfs(start);
    vector<int> vans;
    for (int x = 0; x<n; x++){
        vans.push_back(ans[x]);
    }
    return vans;
}

Compilation message (stderr)

messy.cpp: In function 'void dfs(int)':
messy.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int x = 0; x<adjl[node].size(); x++){
                     ~^~~~~~~~~~~~~~~~~~
messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:64:8: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized]
     dfs(start);
     ~~~^~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 18 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30