Minimum Spanning Tree
Topological sorting
Matrix Exponentiation
SPOJ TOPOSORT
Codeforces - Fox And Names
Codeforces - Substring
Codeforces - Pashmak and Graph
Hackerearth - Lol
Hackerearth - Fuzzy Numbers
SPOJ - SEQ
Codechef - BWALL
Codechef - SETELE
Codechef - ABROADS
Codeforces - Vessels
Codeforces - Envy
Codeforces - Edges in MST