Practice Problems

Problem of the Day: Integer Square Root — keep your streak alive!

Practice Problems — math

#ProblemTopicsDifficulty
954 Sequence g=5a+3b (g0=0,g1=1) math matrix-exponentiation 1700
955 Sequence g=1a+7b (g0=0,g1=1) math matrix-exponentiation 1700
956 Sequence g=7a+1b (g0=0,g1=1) math matrix-exponentiation 1700
957 Sequence g=2a+7b (g0=0,g1=1) math matrix-exponentiation 1700
958 Sequence g=7a+3b (g0=0,g1=1) math matrix-exponentiation 1700
959 Sequence g=3a+8b (g0=0,g1=1) math matrix-exponentiation 1700
960 Sequence g=8a+2b (g0=0,g1=1) math matrix-exponentiation 1700
961 Sequence g=6a+5b (g0=0,g1=1) math matrix-exponentiation 1700
962 Sequence g=5a+7b (g0=0,g1=1) math matrix-exponentiation 1700
963 Sequence g=6a+7b (g0=0,g1=1) math matrix-exponentiation 1700
964 Sequence g=9a+3b (g0=0,g1=1) math matrix-exponentiation 1700
965 Sequence g=3a+9b (g0=0,g1=1) math matrix-exponentiation 1700
966 Sequence g=11a+1b (g0=0,g1=1) math matrix-exponentiation 1700
967 Sequence g=1a+11b (g0=0,g1=1) math matrix-exponentiation 1700
1000 Sequence r=3a+2b (r0=0,r1=1) math matrix-exponentiation 1700
1001 Sequence r=4a+5b (r0=0,r1=1) math matrix-exponentiation 1700
1002 Sequence r=5a+4b (r0=0,r1=1) math matrix-exponentiation 1700
689 Padovan Numbers Modulo math matrix-exponentiation 1750
690 Perrin Numbers Modulo math matrix-exponentiation 1750
691 Narayana's Cows Modulo math matrix-exponentiation 1750
168 Fibonacci, Astronomically math 1800
548 Broken Calculator math greedy 1800
660 Geometric Sum, Large math 1800
720 Fibonacci Prefix Sum math matrix-exponentiation 1800
625 Sum of Every Minimum math stack 1900
659 Power Sum math 1900
752 First Digit Equals Last math digit-dp 1900
626 Sum of Every Range math stack 2000
612 Bounded Nim math games 2100
613 Staircase Nim math games 2100
615 Flip and Slide math games 2100
616 Two Piles, Diagonal Moves math games 2100