#include <stdio.h> int main() { int a, b; int dayarr[12][2] = {{1, 31}, {2, 28}, {3, 31}, {4, 30}, {5, 31}, {6, 30}, {7, 31}, {8, 31}, {9, 30}, {10, 31}, {11, 30}, {12, 31}}; while (scanf("%d %d", &a, &b) != EOF) { // 注意 while 处理多个 case // 64 位输出请用 printf("%lld") to...