#include<iostream> using namespace std; int daytab[2][31] = { {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 main() { int year; int month, day; int count; int flag = -1; int caseNum; scanf("%d\n",...