Submission #925568

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
925568	2024-02-12 05:19:33	ttamx	Ancient Machine 2 (JOI23_ancient2)	C++17	100 / 100	43 ms	2196 KiB

ancient2

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#include "ancient2.h"
#include<bits/stdc++.h>
using namespace std;
const int N=1000;
const int Q=102;
using BS = bitset<N>;
using VBS = vector<BS>;
struct Basis{
  VBS basis;
  int n,cnt;
  Basis(){}
  Basis(int _n){
    init(_n);
  }
  void init(int _n){
    n=_n;
    cnt=0;
    basis.assign(_n,BS{});
  }
  bool insert(BS v){
    for(int i=0;i<n;i++){
      if(v[i]){
        if(basis[i][i]){
          v^=basis[i];
        }else{
          basis[i]=v;
 
 
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Compilation message (stderr)

ancient2.cpp: In function 'std::string Solve(int)':
ancient2.cpp:113:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  113 |  for(int i=0;i<vl.size();i++){
      |              ~^~~~~~~~~~
ancient2.cpp:123:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |  for(int i=0;i<vr.size();i++){
      |              ~^~~~~~~~~~

• Subtask 1: 100 / 100