Submission #201068

#	Time	Username	Problem	Language	Result	Execution time	Memory
201068		mraron	Emacs (COCI20_emacs)	C++14	50 / 50	5 ms	376 KiB

emacs

#include<iostream>
#include<vector>
#include<map>
#include<set>
#include<cassert>
#include<cassert>
#include<unordered_map>
#include<unordered_set>
#include<functional>
#include<queue>
#include<stack>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<sstream>
#include<iomanip>
#include<cstdio>
#include<cstdlib>
#include<numeric>
#include<random>
#include<chrono>
#include<bitset>
using namespace std;

#define all(x) (x).begin(), (x).end()
#define pb push_back
#define xx first
#define yy second
#define sz(x) (int)(x).size()
#define gc getchar
#define IO ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define mp make_pair

#ifndef ONLINE_JUDGE
#  define LOG(x) (cerr << #x << " = " << (x) << endl)
#else
#  define LOG(x) ((void)0)
#endif

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

const double PI=3.1415926535897932384626433832795;
const ll INF = 1LL<<62;
const ll MINF = -1LL<<62;

template<typename T> T getint() {
	T val=0;
	char c;
	
	bool neg=false;
	while((c=gc()) && !(c>='0' && c<='9')) {
		neg|=c=='-';
	}

	do {
		val=(val*10)+c-'0';
	} while((c=gc()) && (c>='0' && c<='9'));

	return val*(neg?-1:1);
}

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution<int>(0, n-1)(rng)

char t[102][102];

int main() {
	IO;
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;++i) {
		string x;
		cin>>x;
		for(int j=1;j<=m;++j) {
			t[i][j]=x[j-1];
		}
	}
	
	int ans=0;
	for(int i=0;i<=n;++i) {
		for(int j=0;j<=m;++j) {
			int cnt=0;
			cnt+=t[i][j]=='*';
			cnt+=t[i+1][j]=='*';
			cnt+=t[i+1][j+1]=='*';
			cnt+=t[i][j+1]=='*';
			ans+=cnt==1;
		}
	}
	
	cout<<(ans/4)<<"\n";
	
	return 0;
}

• Subtask 1: 50 / 50