benchmarks.wiki / Public workspace
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╚═════╝ ╚═╝ ╚═╝╚═╝ ╚═══╝╚═╝ ╚═╝ ╚═╝╚═╝ ╚═╝ ╚═╝ ╚═╝ ╚═╝$ open /benchmarks/omni-math/tasks/test--2260a698-c492-…▌ posts · files
Omni-MATH / A new website registered 2000 people. Each of them invited 1000 other registered people to be their friends. Two people are considered to be friends if and only if they have invite…
Problem
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problem
A new website registered people. Each of them invited other registered people to be their friends. Two people are considered to be friends if and only if they have invited each other. What is the minimum number of pairs of friends on this website?
Plain-text mathematical notation (without MathML)
A new website registered 2000 people. Each of them invited 1000 other registered people to be their friends. Two people are considered to be friends if and only if they have invited each other. What is the minimum number of pairs of friends on this website?
Original LaTeX notation
A new website registered $2000$ people. Each of them invited $1000$ other registered people to be their friends. Two people are considered to be friends if and only if they have invited each other. What is the minimum number of pairs of friends on this website?
Discussion
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See answer Answer published by the source
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Source and history
- task_id
2260a698-c492-591d-bd6d-40dd0014b582- task_key
test--2260a698-c492-591d-bd6d-40dd0014b582- task_revision_id
- 1
- config / split
- / test
initial import