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Дмитро Олегович Марченко
hachkoff
Specialist
Joined Feb 5, 2025
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1487
Problems153
Submissions229
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2025
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2026
hachkoff solved problem Length of words (#8570) on 9 attempt10 months ago
hachkoff solved problem File and worker (#10998) on 9 attempt10 months ago
hachkoff solved problem Find a set of patterns 2 (#2172) on first attempt10 months ago
hachkoff solved problem Search engine (#4240) on 4 attempt10 months ago
hachkoff solved hidden problem on first attempt10 months ago
hachkoff solved problem New compiler (#506) on first attempt10 months ago
hachkoff solved problem a + b Problem (#1000) on 2 attempt10 months ago
hachkoff solved problem Without repetitions 3 (#8992) on first attempt10 months ago
hachkoff solved problem Characters doubling (#8991) on first attempt10 months ago
hachkoff solved problem Vowels doubling (#8990) on first attempt10 months ago
hachkoff solved problem Doubling of a character (#8989) on first attempt10 months ago
hachkoff solved problem Second appearance (#4727) on first attempt10 months ago
hachkoff solved problem Indexes of letter (#8982) on first attempt10 months ago
hachkoff solved problem Number of sentences (#8980) on first attempt10 months ago
hachkoff solved problem AEIOUY (#494) on first attempt10 months ago
hachkoff solved problem Number of digits (#8983) on first attempt10 months ago
hachkoff solved problem Number of arithmetic operations (#8984) on 2 attempt10 months ago
hachkoff solved problem The product of the odd digits of a number (#8925) on first attempt10 months ago
hachkoff solved problem Sum of even digits (#8924) on 2 attempt10 months ago
hachkoff solved problem Indexes of spaces (#8981) on 3 attempt10 months ago
hachkoff solved problem Change the parity (#8926) on 3 attempt10 months ago
hachkoff solved problem Character replacement (#8987) on 2 attempt10 months ago
hachkoff solved problem Delete a letter (#8985) on first attempt10 months ago
hachkoff solved problem Character replacement 2 (#8988) on first attempt10 months ago
hachkoff solved problem Only one letter (#8979) on first attempt10 months ago