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EIDUPBOD - Same birthday |
Given a list of N students. List dates of birth and the number of students on that date. Birthdays are listed in ascending order.
Input
The first line shows the number of students N (N<=10^5).
The ith line in the following N lines is the date of birth of the ith student. Birthdate consists of 3 integers respectively date of birth. All birthdays are valid.
Output
List each date of birth and the number of students on the same date on one line. Birth date as DD/MM/YYYY.
Example
Input: 5 10 3 1993 15 2 1995 15 2 1995 10 2 1994 10 3 1993
Output: 10/03/1993 2 10/02/1994 1 15/02/1995 2
| Added by: | Ha Minh Ngoc |
| Date: | 2017-12-21 |
| Time limit: | 1s-2s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | All except: GOSU |