제출 #372700

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
372700		Nimbostratus	Sifra (COCI21_sifra)	C++17	50 / 50	1 ms	364 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define eb emplace_back
#define pb push_back
#define ppb pop_back
#define ub upper_bound
#define lb lower_bound
#define bs binary_search
#define cln(a,s) memset((a),0,sizeof((a)[0])*(s))
#define all(x) (x).begin() , (x).end()
#define fi first
#define se second
#define int int
using pii = pair<int,int>;
using ll = long long;
const int maxn = 2e5 + 5;
const int inf = 1e9;
const int mod = 1e9+7;

string s;
set<string> st;

int32_t main () {
	//freopen("in","r",stdin); freopen("out","w",stdout);
	ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
	cin >> s;
	for(int i=0;i<s.size();i++) {
		if(isalpha(s[i])) continue;
		string cur;
		while(i < s.size() and isdigit(s[i])) {
			cur += s[i];
			i++;
		}
		st.insert(cur);
		i--;
	}
	cout << st.size() << endl;

}	
	

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int32_t main()':
Main.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for(int i=0;i<s.size();i++) {
      |              ~^~~~~~~~~
Main.cpp:30:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   while(i < s.size() and isdigit(s[i])) {
      |         ~~^~~~~~~~~~

• Subtask 1: 50 / 50