Codeforces Round 102 (Div. 2)

2 problems from Codeforces Round 102 (Div. 2) (contest 143), difficulty 1000-1200. 2/2 solutions verified against sample I/O.

2 items

Codeforces Round 102 (Div. 2)

Div. 2 | 2 problems | 2/2 verified | Difficulty 1000-1200 | 4m 38s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Help Vasilisa the Wise 2	1000	brute-force, math	15,442	2m 19s	✓
B	Help Kingdom of Far Far Away 2	1200	implementation, strings	5,333	2m 19s	✓

Practice › Codeforces Solutions › Codeforces Round 102 (Div. 2) ›

CF 143A - Help Vasilisa the Wise 2

We need to fill a 2 x 2 grid with four distinct digits from 1 to 9. The grid looks like this: $$begin{matrix} a & b c & d end{matrix}$$ The input gives us six sums.

Practice › Codeforces Solutions › Codeforces Round 102 (Div. 2) ›

CF 143B - Help Kingdom of Far Far Away 2

We are given a number as a string and must print it in a banking-style money format. The formatting rules combine several independent transformations. The integer part must contain commas every three digits, counting from the right.