B题
题面翻译
qwq
思路
其实就是统计加判断
注意满堂彩的定义
点击查看代码
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 7;int read()
{int x = 0, w = 1;char ch = getchar();while(ch > '9' || ch < '0'){if(ch == '-'){w = -1;ch = getchar();}}while(ch <= '9' && ch >= '0'){x = x * 10 + ch - '0';ch = getchar();}return x * w;
}long long Qmi(int a, int b, int p)
{if(b == 0){return 1%p;}if(b == 1){return a%p;}long long ans = Qmi(a, b/2, p);ans = ans*ans%p;if(b % 2){ans = ans*a%p;}return ans % p;
}bool isprime(long long x)
{if(x <= 1){return false;}if(x == 2){return true;}if(x % 2 == 0){return false;}for(int i = 3; i <= sqrt(x); i += 2){if(x % i == 0){return false;}}return true;
}/*
int dictionary(const string& s1, const string& s2)
{int i = 0, j = 0;while (i < s1.length() && j < s2.length()){if(s1[i] < s2[j]){return -1;}if(s1[i] > s2[j]){return 1;}i++;j++;}if (i < s1.length()){return 1;}if (j < s2.length()){return -1;}return 0;
}
*/int t[15];int main()
{//freopen("qwq.in", "r", stdin);//freopen("qwq.out", "w", stdout);for(int i = 1; i <= 7; i++){int qwq;cin>>qwq;t[qwq]++;}for(int i = 1; i <= 13; i++){for(int j = i + 1; j <= 13; j++){if((t[i] >= 3 && t[j] >= 2) || (t[j] >= 3 && t[i] >= 2)){cout<<"Yes"<<endl;return 0;}}}cout<<"No"<<endl;return 0;
}
