제출 #156923

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
156923		AKaan37	Elder (COCI19_elder)	C++17	38 / 50	2 ms	376 KiB

elder

//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//Abdulhamid Han
//Bismillahirrahmanirrahim
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█▄█
//█─█─█▄─█▄─█─█─█─█

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t,vis[100];
int cev;
string s;
char c;
vector<int> v;

int main(void){
	scanf(" %c %d",&c,&n);
	char asa=c;
	vis[asa-'A']=1;
	FOR{
		char c1,c2;
		scanf(" %c %c",&c1,&c2);
		if(asa==c2 && vis[c1-'A']==0){asa=c1;cev++;vis[c2-'A']=1;}
		else if(asa==c2){asa=c1;}
	}
	printf("%c\n%d\n",asa,++cev);
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

elder.cpp: In function 'int main()':
elder.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf(" %c %d",&c,&n);
  ~~~~~^~~~~~~~~~~~~~~~
elder.cpp:48:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c %c",&c1,&c2);
   ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 38 / 50