Which tool can be used to find out the total matches played by all the
teams?
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Answer:
Given an integer M which is the number of matches played in a tournament and each participating team has played a match with all the other teams. The task is to find how many teams are there in the tournament.
Examples:
Input: M = 3
Output: 3
If there are 3 teams A, B and C then
A will play a match with B and C
B will play a match with C (B has already played a match with A)
C has already played matches with team A and B
Total matches played are 3
Input: M = 45
Output: 10
Explanation:
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