Submission #336380

#	Time	Username	Problem	Language	Result	Execution time	Memory
336380		beksultan04	"The Lyuboyn" code (IZhO19_lyuboyn)	C++14	3 / 100	54 ms	10312 KiB

lyuboyn

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
const int N = 5e5+12,INF=1e9+7;
int q[N];
main(){
    int n,k,t,i,j;
    scan3(n,k,t)
    if (k%2==0){
        cout <<-1;
        ret 0;
    }
    vector <string> v;
    for (i=0;i<(1<<n);++i){
        string s="";
        for (j=0;n>=(1<<j);++j){
            if (i&(1<<j))s+='1';
            else s+='0';
        }
        v.pb(s);
    }
    cout <<v.size()<<"\n";
    for (i=0;i<v.size()/2;++i)cout <<v[i]<<"\n";
    for (i=v.size()-1;i>=v.size()/2;--i)cout <<v[i]<<"\n";
}

Compilation message (stderr)

lyuboyn.cpp:18:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   18 | main(){
      |      ^
lyuboyn.cpp: In function 'int main()':
lyuboyn.cpp:35:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for (i=0;i<v.size()/2;++i)cout <<v[i]<<"\n";
      |              ~^~~~~~~~~~~
lyuboyn.cpp:36:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for (i=v.size()-1;i>=v.size()/2;--i)cout <<v[i]<<"\n";
      |                       ~^~~~~~~~~~~~
lyuboyn.cpp:11:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 | #define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
      |                      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
lyuboyn.cpp:20:5: note: in expansion of macro 'scan3'
   20 |     scan3(n,k,t)
      |     ^~~~~

• Subtask 1: 0 / 0
• Subtask 2: 0 / 5
• Subtask 3: 3 / 3
• Subtask 4: 0 / 11
• Subtask 5: 0 / 15
• Subtask 6: 0 / 18
• Subtask 7: 0 / 31
• Subtask 8: 0 / 17