Competitive Programming Codeforces User: Yefri97 Rating: 1419 (max. specialist, 1519) HackerRank Hacker: @yefri_gaitan97 Rating: 1730 UVa Username: Yefri9 Ranking: 3831 Competitive Programming Exercises Book Chapters Starred All Introduction 35% 31% Data Structures and Libraries 97% 29% Problem Solving Paradigms 39% 15% Graph 4% 4% Mathematics 15% 12% String Processing 2% 5% Computational Geometry 0% 4% More Advanced Topics 2% 1% Rare Topics 7% 10%