Luogu「Daily OI Round 3」Simple 题解

#include <iostream>
#include <cstdio>
#include <queue>
#include <algorithm>
#include <cstring>
#include <string>
#include <string.h>
#include <vector>

#define int long long
#define rep(a,b,c) for(auto a=b;a<=c;++a)
#define per(a,b,c) for(auto a=b;a>=c;--a)

typedef long long LL;

const int N = 1e6 + 10;
const char s[] = {'0','s', 'v', 'p', 'o', 'l', 'l'};
const char G[] = {',','a','c','o','i','p','p'};

char a[N << 2];


namespace Space {
    template < typename _Tp > inline
    _Tp read() {
        auto f = 1, a = 0;
        char ch = getchar ();
        while (ch < '0' || ch > '9') f = (ch == '-' ? -1 : f), ch = getchar ();
        while (ch >= '0' && ch <= '9') a = (a << 1) + (a << 3) + (ch ^ '0'), ch = getchar ();
        return{a * f};
    }
}

using namespace Space;

void mystrlwr(char *ps) {
	while (*ps) {
		if ('A' <= *ps && *ps <= 'Z') *ps += 'a' - 'A';
		ps ++;
	}
}

signed main() {
	int k = 0;
    while (k <= 6){
    	a[++ k] = getchar ();
        mystrlwr(a + k);
    }
    
	for(int i = 1;;++ i) {
		if (a[i] == s[i]) std::cout << "Genshin" << '\n', exit(0);
    	else if (a[i] == G[i]) std::cout << "Luogu" << '\n', exit(0);
    	else std::cout << "Boring" << '\n', exit(0);
	}

}