Submission #715043

#	Time	Username	Problem	Language	Result	Execution time	Memory
715043		TheConverseEngineer	Sifra (COCI21_sifra)	C++17	15 / 50	1 ms	212 KiB

Main

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

#define FOR(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define sqr(x) ((ll)(x))*(x)
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;


int a = 0;

set<string> used;

int main() {
	cin.tie(0)->sync_with_stdio(0);

	string s; cin >> s;
	string lastInt = ""; bool lastWasInt = false;
	for (char c : s) {
		bool isNum = (c=='1') or (c=='2') or (c=='3') or (c=='4') or (c=='5') or (c=='6') or (c=='7') or (c=='8') or (c=='9');
		if (isNum) {lastInt += c;}
		else if (!isNum and lastWasInt) {
			if (!used.count(lastInt)) {
				a++;
				used.insert(lastInt);
				lastInt = "";
			}
		}
		lastWasInt = isNum;
	}
	if (lastWasInt and !used.count(lastInt)) {
		a++;
	}

	cout << a;
 	
} 

• Subtask 1: 15 / 50