#include <iostream> using namespace std; int months[2][13]= { {0,31,28,31,30,31,30,31,31,30,31,30,31}, {0,31,29,31,30,31,30,31,31,30,31,30,31} }; int y,m,d,ad,index,n; int main() { scanf("%d",&n); while(0<n--) { scanf("%d %d %d %d",&y,&m,&d,&ad); index=(y%400==0)||((y%4==0)&&(y%100!=0)); wh...