1152 Google Recruitment 思路:判断素数 #include<bits/stdc++.h> using namespace std; const int maxn = 1100; int a[maxn]; int n,k; long long getNum(int pos){ long long x = 0; for(int i=pos;i<=pos+k-1;i++){ x = x*10 + a[i]; } return x; } bool prime(long lo…
1091 N-自守数 代码: #include <bits/stdc++.h> using namespace std; int T; int A(int a) { ; while(a) { a /= ; cnt ++; } return cnt; } int Pow(int a, int b) { ; ; i <= b; i ++) ans *= a; return ans; } int main() { scanf("%d", &T); while(T -…
A Good In C纯模拟题,用string数组读入数据,注意单词数量的判断 #include<bits/stdc++.h> using namespace std; ; ][]; int main () { ;i<=;i++) { ;j<=;j++) cin>>a[i][j]; } string t; getchar (); getline (cin,t); ]; ; ;i<t.length();i++) { if (t[i]>='A'&&…
7-3 Summit (25分) A summit (峰会) is a meeting of heads of state or government. Arranging the rest areas for the summit is not a simple job. The ideal arrangement of one area is to invite those heads so that everyone is a direct friend of everyone. No…