문제
풀이
#include <iostream>
#include <string>
using namespace std;
void solve(void) {
int n, m; cin >> n >> m;
int ans = 0;
for (int i=0; i<n; i++) {
string s; cin >> s;
if (s.find('+') != string::npos) ans++;
}
cout << ans;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}