#include <iostream> using namespace std; int main() { int a, b,c,day=0; int mouth[12]={31,28,31,30,31,30,31,31,30,31,30,31}; while (cin >> a >> b>>c) { // 注意 while 处理多个 case for (int i=0; i<b-1; i++) { day=day+mouth[i]; } } if (a%4=...