제출 #321459

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
321459		ronnith	Zoo (COCI19_zoo)	C++14	0 / 110	1 ms	364 KiB

zoo

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#warning Check Integer OverFlow
#define ll long long
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define FORd(i,a,b) for(int i=a;i>=b;i--)
#define trav(a,b) for(auto a:b)
#define sz(a) a.size()
#define maxs(a,b) if(b>a)a=b
#define mins(a,b) if(b<a)a=b
#ifdef LOCAL 
	#define dbg(x) cerr<<"["<<#x<<":"<<x<<"] "
	#define dbg2(a,b) dbg(a);dbg(b)
	#define dbg3(a,b,c) dbg2(a,b);dbg(c)
	#define dln cerr << ln
#else
	#define dbg(x) 0
	#define dbg2(a,b) 0
	#define dbg3(a,b,c) 0
	#define dln 0
#endif
#define gcd(a,b) __gcd(a,b)
#define lcm(a,b) (((a)/(__gcd(a,b))) * b)
#define print(arr) for(auto it = arr.begin();it < arr.end();it ++){cout << *it << " ";}cout << ln;
#define all(a) (a).begin(), (a).end()
#define vi vector<int>
#define v vector
#define p pair
#define pii p<int,int>
#define pb push_back
#define mk make_pair
#define f first
#define s second
#define ln "\n"
typedef long double ld;
using namespace std;
using namespace __gnu_pbds;
ll modF=1e9+7;

template<class T> using iset = tree<
T,
null_type,
less<T>,
rb_tree_tag,
tree_order_statistics_node_update>;

/*INPUT
1 0
1000
1
1000

3 2
1 2 3
1 2
1 3
3
2
3
5

14 13
2 3 4 19 20 21 5 22 6 7 23 8 10 14
1 2
1 3
1 4
2 5
2 6
3 7
3 8
3 9
4 10
8 11
10 13
10 12
12 14
3
45
44
23

*/

#define maxn 1000

int N, M, vis[maxn][maxn];
char m, a[maxn][maxn];

int dx[4] = {1,-1,0,0};
int dy[4] = {0,0,1,-1};

void ff(int i,int j)
{
	if(i >= N or i < 0 or j >= M or j < 0)return;
	if(vis[i][j])return;
	if(a[i][j] != m)return;
	vis[i][j] = 1;
	FOR(k,0,4)ff(i + dx[k],j + dy[k]);
}

void solve(){
	cin >> N >> M;
	FOR(i,0,N)
	{
		FOR(j,0,M)
		{
			cin >> a[i][j];
		}
	}
	m = a[0][0];
	int cnt = 0;
	bool pos = false;
	FOR(i,0,N)
	{
		FOR(j,0,M)
		{
			if(a[i][j] != '*' and a[i][j] != m)pos = true;
			if(vis[i][j] == 0 and a[i][j] == m)
			{
				cnt ++;
				ff(i,j);
			}
		}
	}
	if(cnt > 1)
	{
		cout << 3 << '\n';
	}
	else if(cnt == 1 and pos)
	{
		cout << 2 << '\n';
	}
	else
	{
		cout << 1 << '\n';
	}
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int t = 1;
	// cin >> t;
	while(t --){
		solve();
	}
}

컴파일 시 표준 에러 (stderr) 메시지

zoo.cpp:4:2: warning: #warning Check Integer OverFlow [-Wcpp]
    4 | #warning Check Integer OverFlow
      |  ^~~~~~~

• Subtask 1: 0 / 45
• Subtask 2: 0 / 65