Submission #1084807

#	Time	Username	Problem	Language	Result	Execution time	Memory
1084807		duytuandao21	Sifra (COCI21_sifra)	C++17	50 / 50	1 ms	600 KiB

Main

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

const int N = 2e6 + 7;
const int inf = 1e9 + 7;
const long long infll = 1e18 + 7;

map<string, int> cnt;

bool IsNumber(char c) {
    if (c >= '0' && c <= '9') return true;
    return false;
}
int main() 
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    string s; cin >> s;
    s = 'c' + s + 'c';
    string curString = "";
    int res = 0;
    for (int i = 1; i < s.size(); i++) {
        if (s[i] == '0' && curString.size() > 0) curString += s[i]; 
        else 
        if (IsNumber(s[i])) {
            if (s[i] == '0' && curString.size() == 0) continue;
            if (!IsNumber(s[i - 1]) || (s[i - 1] == '0' && curString.size() == 0)) curString += s[i]; else
            if (curString.size() > 0) curString += s[i];
        } 
        else {
            if (curString.size() > 0) {
                if (cnt[curString] == 0) {
                    res++;
                }
                cnt[curString]++;
            }
            curString = "";
        }
    }
    cout << res;
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for (int i = 1; i < s.size(); i++) {
      |                     ~~^~~~~~~~~~

• Subtask 1: 50 / 50