Problem 509. Count photos

Solution 1970716

Submitted on 10 Oct 2019 by nguyen thai son son

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Test	Status	Code Input and Output
1	Pass	x = 10; y_correct = 45; assert(isequal(photos(x),y_correct)) y = 45
2	Pass	x = 100; y_correct = 4950; assert(isequal(photos(x),y_correct)) y = 4950
3	Pass	x = 1000; y_correct = 499500; assert(isequal(photos(x),y_correct))

Test

Status

Code Input and Output

Pass

x = 10; y_correct = 45; assert(isequal(photos(x),y_correct))

y = 45

Pass

x = 100; y_correct = 4950; assert(isequal(photos(x),y_correct))

y = 4950

Pass

x = 1000; y_correct = 499500; assert(isequal(photos(x),y_correct))

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