A.一起奏响历史之音!题目:https://ac.nowcoder.com/acm/contest/95334/A#include<bits/stdc++.h>using namespace std;int main(){ int a[5]={1,2,3,5,6}; int x;string l="YES"; for(int i=0;i<7;i++){ cin >> x; if(find(a,a+5,x)==a+5){ l="NO"; } } cout << l;}题解思路:相当于判断输入数组中有没有除去1,2,...