제출 #654987

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
654987		_Knyaz_	Aron (COCI17_aron)	C++17	50 / 50	0 ms	212 KiB

aron

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int ll
#define all(x) (x).begin(),(x).end()
const int mod = 1e9+7;
const double PI = acos( -1. );
void in(){
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
}
void solve(){
    //in();
    int n; cin >> n; char a; cin >> a; int ans = 2;
    for(int i = 1; i < n; i++){
        char c; cin >> c;
        if(c == a) continue;
        else{a = c; ans++;}
    }
    cout << ans;

}
signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int t; t = 1;
    //cin >> t;
    while(t--) solve();
}
/*
        ██╗  ██╗███╗   ██╗██╗   ██╗ █████╗ ███████╗
        ██║ ██╔╝████╗  ██║╚██╗ ██╔╝██╔══██╗╚══███╔╝
        █████╔╝ ██╔██╗ ██║ ╚████╔╝ ███████║  ███╔╝
        ██╔═██╗ ██║╚██╗██║  ╚██╔╝  ██╔══██║ ███╔╝
███████╗██║  ██╗██║ ╚████║   ██║   ██║  ██║███████╗███████╗
╚══════╝╚═╝  ╚═╝╚═╝  ╚═══╝   ╚═╝   ╚═╝  ╚═╝╚══════╝╚══════╝
*/

컴파일 시 표준 에러 (stderr) 메시지

aron.cpp: In function 'void in()':
aron.cpp:9:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
aron.cpp:10:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50