Submission #559453

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
5594532022-05-09 20:49:27ahmet34Painting Squares (IOI20_squares)C++14
0 / 100
1541 ms1012 KiB
#include "squares.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
const int INF = 2e9, M = 1e9+7, LOG = 16;
const ll LINF = 1e18;
int len, N;
string res;
unordered_map<string, bool> vis;
void dfs(string node) {
if(res.size() > N) return;
for(int i = 0; i < 2; i++) {
string to = node + char('0' + i);
if(!vis[to]) {
vis[to] = true;
dfs(to.substr(1));
res += to.back();
}
}
}
void deBruijn () {
 
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Compilation message (stderr)

squares.cpp: In function 'void dfs(std::string)':
squares.cpp:18:16: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |  if(res.size() > N) return;
      |     ~~~~~~~~~~~^~~
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