Submission #134063

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
134063	2019-07-22 03:46:08	wilwxk	Tracks in the Snow (BOI13_tracks)	C++14	86.88 / 100	2132 ms	738908 KiB

tracks

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#include <bits/stdc++.h>
using namespace std;
const int MAXN=5e3+3;
const int MAXNN=17000005;
vector<int> g[MAXNN];
short cor[MAXNN];
short marc[MAXNN];
short ori[MAXN][MAXN];
char c[MAXN];
int rep[MAXNN], tam[MAXNN], dist[MAXNN];
queue<int> qu;
int dx[]={0, 1, 0, -1};
int dy[]={1, 0, -1, 0};
int n, m, respf;
int find(int cur) {
  if(rep[cur]==cur) return cur;
  return rep[cur]=find(rep[cur]);
}
void une(int a, int b) {
  a=find(a); b=find(b);
  if(a==b) return;
  if(tam[a]<tam[b]) swap(a, b);
  rep[a]=b;
}
void liga(int a, int b) {
  a=find(a); b=find(b);
  g[a].push_back(b);
 
 
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Compilation message (stderr)

tracks.cpp: In function 'void bfs()':
tracks.cpp:41:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(marc[cur]==2) continue; marc[cur]=2; 
   ^~
tracks.cpp:41:30: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   if(marc[cur]==2) continue; marc[cur]=2; 
                              ^~~~
tracks.cpp: In function 'int main()':
tracks.cpp:54:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
tracks.cpp:60:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %s", c);
   ~~~~~^~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 56.875 / 70