Programación Competitiva
Codeforces 489B - BerSU Ball
Codeforces Round 277.5 (Div 2)
Codeforces 1A - Theatre Square
El problema más icónico de CodeForces — pavimentar una plaza con losas cuadradas.
Codeforces 1352B - Same Parity Summands
Codeforces Round 643 (Div. 2)
Codeforces 362E - Petya and Pipes
Codeforces Round 212 (Div 2)
Codeforces 111D - Petya and Coloring
Codeforces Beta Round 85 (Div 1 Only)
Codeforces 112B - Petya and Square
Codeforces Beta Round 85 (Div 2 Only)
CCPL R11 - D. Dominoes Magic Squares
Ejercicio D - CCPL R11 2025
CCPL R11 - C. Counting Chaos
Ejercicio C - CCPL R11 2025
CCPL R11 - B. Cordon Bleu
Ejercicio B - CCPL R11 2025
CCPL R11 - A. Document Analyzer
Ejercicio A - CCPL R11 2025
CCPL R7 - A. Asteroid Rangers
Ejercicio A - CCPL R7 2025
CCPL R4 - B. Bytelandian Gold Coins
Ejercicio B - CCPL R4 2026
Inverse Factorial
CCPL R2 2026 (Kattis)
CCPL R1 - B. Round Robin Scheduling
Ejercicio B - CCPL R1 2026
158A - Next Round
VK Cup 2012 Qualification Round 1
282A - Bit++
Codeforces Round 173 (Div 2)
231A - Team
Codeforces Round 143 (Div 2)
71A - Way too long words
Codeforces Beta Round 65 (Div 2)
4A - Watermelon
Codeforces Beta Round 4 (Div. 2 Only)