将定期更新蓝桥杯习题集的解题报告~ 二、基础练习 BASIC-1 闰年判断 #include<bits/stdc++.h> using namespace std; bool f(int x){ if(x%4==0&&x%100!=0)return 1; if(x%400==0)return 1; return 0; } int main(){ int n; while(scanf("%d",&n)!=EOF){ if(f(n))printf("yes\n...