#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define debug(x) cerr << #x << ": " << x << endl;
#define debug2(x, y) debug(x) debug(y);
#define repn(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define rep(i, a) for(int i = 0; i < (int)(a); i++)
#define all(v) v.begin(), v.end()
#define mp make_pair
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define sq(x) ((x) * (x))
const int months[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
const int monthsLeap[] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
template<class T> T gcd(T a, T b){ return ((b == 0) ? a : gcd(b, a % b)); }
bool leap(int year){
if(year % 100 == 0) return (year % 400 == 0);
return year % 4 == 0;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
//freopen("input.in", "r", stdin);
//freopen("output.out", "w", stdout);
int n;
cin >> n;
while(n--){
string s;
cin >> s;
s = s.substr(0, (int)s.size() - 1);
int d = (s[1] - '0') + (s[0] - '0') * 10;
int m = (s[4] - '0') + (s[3] - '0') * 10;
int y = (s[6] - '0') * 1000 + (s[7] - '0') * 100 + (s[8] - '0') * 10 + (s[9] - '0');
int cnt = 0;
while(true){
string tot = "";
string d1 = to_string(d);
reverse(all(d1));
while((int)d1.size() != 2) d1 += '0';
reverse(all(d1));
string m1 = to_string(m);
reverse(all(m1));
while((int)m1.size() != 2) m1 += '0';
reverse(all(m1));
string y1 = to_string(y);
reverse(all(y1));
while((int)y1.size() != 4) y1 += '0';
reverse(all(y1));
tot += d1;
tot += m1;
tot += y1;
string b = tot;
reverse(all(b));
if(tot == b && cnt != 0){
cout << d1 << '.' << m1 << '.' << y1 << '.' << endl;
break;
}
if(leap(y)){
if(d == (monthsLeap[m] + 1)){
m++;
d = 1;
}
else d++;
if(m == 13){
m = 1;
y++;
}
}
else{
if(d == (months[m] + 1)){
m++;
d = 1;
}
else d++;
if(m == 13){
m = 1;
y++;
}
}
cnt++;
}
}
return 0;
}
/*
Things to look out for:
- Integer overflows
- Array bounds
- Special cases
Be careful!
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Execution timed out |
1095 ms |
384 KB |
Time limit exceeded |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
467 ms |
504 KB |
Output is correct |
7 |
Correct |
554 ms |
384 KB |
Output is correct |
8 |
Correct |
594 ms |
384 KB |
Output is correct |
9 |
Correct |
575 ms |
416 KB |
Output is correct |
10 |
Execution timed out |
1098 ms |
384 KB |
Time limit exceeded |