Submission #286304

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
286304	2020-08-30 09:34:54	Alexa2001	Sandwich (JOI16_sandwich)	C++17	35 / 100	8032 ms	45144 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

sandwich

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#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9;
const int Nmax = 404;
int cells, n, m;
char a[Nmax][Nmax];
int ans[Nmax][Nmax], pending[Nmax];
bool Upper[Nmax][Nmax], Lower[Nmax][Nmax];
vector<pair<int,int>> v;
vector<pair<int,int>> edges[Nmax];
vector<int> to[2 * Nmax * Nmax];
void add_upper(int x, int y, int prv);
int code(int x, int y, int lw)
{
    return (x-1) * m + y + lw * n * m;
}
void add_lower(int x, int y, int prv = 0)
{
    if(prv) v.push_back({prv, code(x, y, 0)});
 
 
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Compilation message (stderr)

sandwich.cpp: In function 'bool cycle(int, int)':
sandwich.cpp:118:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |         for(j=0; j<edges[i].size(); ++j)
      |                  ~^~~~~~~~~~~~~~~~

Subtask 135 / 35

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