题解 | #计算日期到天数转换#
计算日期到天数转换
https://www.nowcoder.com/practice/769d45d455fe40b385ba32f97e7bcded
#include <iostream> #include <ctime> using namespace std; int main() { int y, m, d; while (cin >> y >> m >> d) { struct tm t1; t1.tm_year = y - 1900; t1.tm_mon = m -1; t1.tm_mday = d; struct tm t2 = t1; t2.tm_year = y - 1 - 1900; t2.tm_mon = 11; t2.tm_mday = 31; time_t tt1 = mktime(&t1); time_t tt2 = mktime(&t2); int res = difftime(tt1, tt2) / (60 * 60 * 24); cout << res << endl; } }