Difference between revisions of "2023 SSMO Team Round Problems/Problem 1"
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− | We can assume because of the symmetry that <math>a=0</math>. Then, the problem is reduced to <math>1+b^c+c^d</math>. Since there are only <math>3</math> possible permutations for <math>b</math>, <math>c</math>, and <math>d</math>, we can try them and find that the maximum possible value is obtained when <math>b=2</math>, <math>c=3</math>, and <math>d=2</math>. Therefore, the answer is <math>1+2^3+3^2=\boxed{18}</math> | + | We can assume because of the symmetry that <math>a=0</math>. Then, the problem is reduced to <math>1+b^c+c^d</math>. Since there are only <math>3</math> possible permutations for <math>b</math>, <math>c</math>, and <math>d</math>, we can try them and find that the maximum possible value is obtained when <math>b=2</math>, <math>c=3</math>, and <math>d=2</math>. Therefore, the answer is <math>1+2^3+3^2=\boxed{18}</math>. |
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+ | ~alexanderruan |
Latest revision as of 01:11, 3 January 2024
Problem
Let be a permutation of . Find the largest possible value of
Solution
We can assume because of the symmetry that . Then, the problem is reduced to . Since there are only possible permutations for , , and , we can try them and find that the maximum possible value is obtained when , , and . Therefore, the answer is .
~alexanderruan