| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 445091 |
2021-07-16T11:55:50 Z |
Dipra_Irham |
Zoo (COCI19_zoo) |
C++14 |
|
26 ms |
14156 KB |
#include "bits/stdc++.h"
#define pb(x) push_back(x)
#define fil(x, y) memset(x, y, sizeof(x))
#define ll long long
#define ff first
#define ss second
#define printp(x) x.ff << " " << x.ss
#define pii pair<int,int>
#define pll pair<long long,long long>
#define mp(x, y) make_pair(x,y)
#define inf 1073741823
#define infll 4611686018427387903
#define M 1000000007
#define db(x) cout << x << " ";
#define N 1007
#define sz size
#define sm 0.0000007
#define ins insert
#define ers erase
#define all(k) k.begin(), k.end()
#define cnt count
#define fastio ios_base::sync_with_stdio(0);cin.tie(0)
using namespace std;
int r, c;
int fx[] = {-1, 1, 0, 0};
int fy[] = {0, 0, 1, -1};
char adj[N][N];
int level[N][N];
bool vis[N][N];
bool vis2[N][N];
pii parent[N][N];
char ed;
void bfs(pii s)
{
memset(vis, 0, sizeof(vis));
memset(level, -1, sizeof(level));
memset(parent, 0, sizeof(parent));
vis[s.ff][s.ss] = 1;
vis2[s.ff][s.ss] = 1;
level[s.ff][s.ss] = 0;
parent[s.ff][s.ss] = s;
queue <pii> que;
que.push(s);
while(que.empty() != 1)
{
pii x = que.front();
que.pop();
char p = adj[x.ff][x.ss];
for(int i = 0;i < 4;i++)
{
int a = x.ff + fx[i];
int b = x.ss + fy[i];
char next = adj[a][b];
if(a >= 0 && a < r && b >= 0 && b < c && adj[a][b] !='*' && vis[a][b] == 0 && ((p == ed && next == p) || (p != ed)))
{
vis[a][b] = 1;
vis2[a][b] = 1;
level[a][b] = level[x.ff][x.ss] + 1;
parent[a][b] = x;
que.push(mp(a, b));
}
}
}
}
int main()
{
fastio;
cin >> r >> c;
bool g = 0, k = 0;
for(int i = 0;i < r;i++)
{
for(int j = 0;j < c;j++)
{
cin >> adj[i][j];
}
}
fil(vis2, 0);
ed = adj[r - 1][c - 1];
int ans = 0;
for(int i = 0;i < r;i++)
{
for(int j = 0;j < c;j++)
{
if(adj[i][j] == ed && vis2[i][j] == 0)
{
bfs(mp(i, j));
ans++;
}
}
}
fil(vis2, 0);
for(int i = 0;i < r;i++)
{
for(int j = 0;j < c;j++)
{
if(adj[i][j] != ed && adj[i][j] != '*' && vis2[i][j] == 0)
{
bfs(mp(i, j));
ans++;
}
}
}
cout << ans << endl;
return 0;
}
Compilation message
zoo.cpp: In function 'int main()':
zoo.cpp:70:10: warning: unused variable 'g' [-Wunused-variable]
70 | bool g = 0, k = 0;
| ^
zoo.cpp:70:17: warning: unused variable 'k' [-Wunused-variable]
70 | bool g = 0, k = 0;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
26 ms |
14156 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
26 ms |
14156 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
