Freaks City

F-Tourist Iterate through the input array while tracking the cumulative score. Once the threshold of 4000 is reached, output the current one-based index and terminate early. #include <iostream> #include <vector> using namespace std; void solve() { int n; cin >> n; vector<int> scores(n); int target_thres ...

Developing and testing interactive programs locally often proves cumbersome due to the intricacies of process communication. While tools like testlib.h are standard in competitive programming, they can sometimes be overly complex or dififcult to configure for quick debugging. An efficient alternative involves using native Linux features like na ...

Problem Description There are n students seeking consultation from a teacher simultaneously. Each student has estimated their consultation time requirements. The teacher can arrange the consultation order, with students entering the teacher's office sequentially. The consultation process for each student consists of: Entering the office - stud ...

Approach Check if all input value are identical. Solution Code #include <iostream> #include <vector> bool checkUniform(const std::vector<int>& values) { for(size_t i = 1; i < values.size(); ++i) { if(values[i] != values[0]) return false; } return true; } int main() { int testCases; std::ci ...

Date Statistics The first four digits are fixed. Generate the last four digits using nested loops, record valid dates, then verify if these dates can be formed. Verification method: Since it's a subsequence problem, we can skip elements but maintain relative order. For the given 100 numbers, match each digit sequentially with the 8-digit date. ...

Problem Description A programming competition is being organized where all participant computers must be connected to a central server using equal-length cables arranged in a star topology. Given a colleciton of network cables of various lengths, the objective is to determine the maximum possible length such that exactly K segments of equal len ...

Problem A: Numerical Triplet Verification Determine whether a sequence of three integers strictly consists of two fives and one seven. Ordering the inputs simplifies validation. Applying an ascending sort arranges the values sequentially, allowing a direct equality check against the target pattern. This approach eliminates conditional branching ...

Problem Description Consider a road that is 20 meters long with tree pits located every 1 meter. The tree pits are numbered from left to right as 0, 1, 2, ..., 20. Some of these pits contain trees, with each pit holding at most one tree. A person is standing at a window with a telsecope and can observe exactly 4 consecutive tree pits at a time ...

Intersection Calculation Given two line segments [L1, R1] and [L2, R2], determine their overlapping length. A simple approach uses a frequency array to mark covered positions. #include <iostream> using namespace std; int main() { int L1, R1, L2, R2; int coverage[101] = {0}, overlap = 0; cin >> L1 >> R1 >> L2 ...

Problem A: Digit Frequency Analysis Given a functon (f(x)) that counts the frequency of the most common digit in number (x), compute (\sum_{i=l}^{r}f(i)) for large ranges (up to (10^{18})). Approach: Represent digit counts as a state vector (S = {c_0, \dots, c_9}) Transform into frequency-of-counts representation (S' = {a_0, \dots, a_{18}}) Us ...