Submission #534678

#TimeUsernameProblemLanguageResultExecution timeMemory
534678MrDebooUnscrambling a Messy Bug (IOI16_messy)C++17
0 / 100
1 ms332 KiB
#include "bits/stdc++.h"
#include "messy.h"
using namespace std;
std::vector<int> restore_permutation(int n, int w, int r){
    int x=5/0;
    string s(n,'0');
    for(int i=0;i<n;i++){
        s[i]='1';
        add_element(s);
    }
    compile_set();
    string str(n,'0');
    vector<int>ans;
    for(int i=1;i<=n;i++)ans.push_back(i);
    for(int i=0;i<n;i++){
        str[i]='1';
        if(!check_element(str)){
            for(int w=i+1;w<n;w++){
                swap(str[i],str[w]);
                if(check_element(str)){
                    swap(ans[i],ans[w]);
                    return ans;
                }
                swap(str[i],str[w]);
            }
        }
    }
    return ans;
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:5:12: warning: division by zero [-Wdiv-by-zero]
    5 |     int x=5/0;
      |           ~^~
messy.cpp:5:9: warning: unused variable 'x' [-Wunused-variable]
    5 |     int x=5/0;
      |         ^
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