#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() #include<string> #include<sstream> using namespace std; int main() { string input; cout<<"请输入日期："; getline(cin,input); string a,b,c; char slash; istringstream iss(input); getline(iss,a,'-'); getline(iss,b,'-'); getline(iss,c,'-'); cout<<c<<'-'<<a<<'-'<<b; return 0; }