#include <iostream>
#include <algorithm>
using namespace std;
int main(){
int t, curryear, ansyear, month, day;
int daysinmonth[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
bool isvalid;
bool isfirst;
string s, ansstr;
cin >> t;
for (int tt = 0; tt < t ; tt++){
cin >> s;
curryear = (s[6] - '0') * 1000 + (s[7] - '0') * 100 + (s[8] - '0') * 10 + (s[9] - '0');
ansyear = curryear;
isvalid = false;
isfirst = true;
while (!isvalid){
isvalid = true;
month = ((ansyear % 1000) / 100) * 10 + ansyear / 1000;
day = (ansyear % 10) * 10 + (ansyear % 100) / 10;
if (month == 0 || month > 12){
isvalid = false;
ansyear++;
continue;
}
if (day < 1){
isvalid = false;
ansyear++;
continue;
}
if (month == 2 && curryear % 4 == 0 && day > 29){
isvalid = false;
ansyear++;
continue;
}
if ((month != 2 || curryear % 4 != 0) && day > daysinmonth[month - 1]){
isvalid = false;
ansyear++;
continue;
}
if (isfirst){
isfirst = false;
if (month < (s[3] - '0') * 10 + (s[4] - '0') || (month == (s[3] - '0') * 10 + (s[4] - '0') && day <= (s[0] - '0') * 10 + (s[1] - '0'))){
isvalid = false;
ansyear++;
continue;
}
}
}
ansstr = "00.00.0000.\n";
ansstr[0] = '0' + (char) (ansyear % 10);
ansstr[1] = '0' + (char) ((ansyear / 10) % 10);
ansstr[3] = '0' + (char) ((ansyear / 100) % 10);
ansstr[4] = '0' + (char) (ansyear / 1000);
ansstr[9] = '0' + (char) (ansyear % 10);
ansstr[8] = '0' + (char) ((ansyear / 10) % 10);
ansstr[7] = '0' + (char) ((ansyear / 100) % 10);
ansstr[6] = '0' + (char) (ansyear / 1000);
cout << ansstr;
}
}
Compilation message
datum.c:1:10: fatal error: iostream: No such file or directory
1 | #include <iostream>
| ^~~~~~~~~~
compilation terminated.
