Submission #953576

#	Time	Username	Problem	Language	Result	Execution time	Memory
953576		roshanVerma	Tracks in the Snow (BOI13_tracks)	C++17	2.19 / 100	263 ms	46300 KiB

tracks

#include<bits/stdc++.h>
using namespace std;

int main(){
	int h,w;
	cin >> h >> w;

	string arr[h];
	for( int i = 0 ; i < h ; i++ ) cin >> arr[i];

	bool isVis[26] = {0};
	for( int i = 0 ; i < h ; i++ ){
		for( int j = 0 ; j < w ; j++ ){
			if( arr[i][j] == '.' ) continue;
			isVis[arr[i][j] - 'A'] = 1;
		}
	}

	int c = 0;
	for( int i = 0 ; i < 26 ; i++ ) c += isVis[i];

	cout << c << endl;

	return 0;
}

• Subtask 1: 0 / 30
• Subtask 2: 2.1875 / 70