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#include <iostream>
#include <sstream>
#include <vector>
#include <map>
#include <algorithm>
#include <cmath>

using namespace std;

map<pair<char, string>, int> expenses;
map<pair<char, char>, int> loans;
map<char, int> balances;

void processTransaction(string transaction) {
    stringstream ss(transaction);
    string type;
    ss >> type;

    if (type == "L") {
        char borrower, lender;
        int amount;
        ss >> borrower >> lender >> type >> amount;
        loans[{borrower, lender}] += amount;
    } else {
        char paidBy;
        int amount;
        char temp;
        ss >> paidBy >> temp >> amount;

        balances[paidBy] -= amount;
        int sharedAmong = 0;
        while (ss >> temp) {
            char person;
            ss >> person;
            balances[person] += amount / 3;
            sharedAmong++;
        }
        balances[paidBy] += amount - (amount / 3 * sharedAmong);
    }
}

void calculateAndProcessInterest(int currentDay) {
    for (auto &loan : loans) {
        char borrower = loan.first.first;
        char lender = loan.first.second;
        int amount = loan.second;

        int weeks = (currentDay - 1) / 7;
        double interest = amount * pow(1.01, weeks) - amount;
        expenses[{lender, "I" + borrower}] += static_cast<int>(round(interest));
    }
}

void reconcileBalances() {
    for (const auto &expense : expenses) {
        char borrower = expense.first.second[1];
        char lender = expense.first.first;
        int amount = expense.second;

        if (amount <= loans[{borrower, lender}]) {
            loans[{borrower, lender}] -= amount;
        } else {
            amount -= loans[{borrower, lender}];
            loans[{borrower, lender}] = 0;

            balances[borrower] += amount;
            balances[lender] -= amount;
        }
    }

    vector<pair<char, int>> creditors, debtors;

    for (const auto &balance : balances) {
        if (balance.second > 0) {
            creditors.push_back({balance.first, balance.second});
        } else if (balance.second < 0) {
            debtors.push_back({balance.first, -balance.second});
        }
    }

    sort(creditors.begin(), creditors.end());
    sort(debtors.begin(), debtors.end());

    auto creditor = creditors.begin();
    auto debtor = debtors.begin();

    while (creditor != creditors.end() && debtor != debtors.end()) {
        int settleAmount = min(creditor->second, debtor->second);
        cout << debtor->first << "/" << creditor->first << "/" << settleAmount << endl;
        creditor->second -= settleAmount;
        debtor->second -= settleAmount;
        if (creditor->second == 0) ++creditor;
        if (debtor->second == 0) ++debtor;
    }

    if (creditor == creditors.end() && debtor == debtors.end()) {
        cout << "NO DUES" << endl;
    }
}

int main() {
    int N;
    cin >> N;
    cin.ignore();

    for (int i = 0; i < N; ++i) {
        string transaction;
        getline(cin, transaction);
        processTransaction(transaction);
        calculateAndProcessInterest(i + 1);
    }

    reconcileBalances();

    return 0;
}

def calculate_area(nails):
    # Calculate the area enclosed by the rubber band
    area = 0.0
    for i in range(len(nails) - 1):
        area += (nails[i][0] * nails[i + 1][1] - nails[i + 1][0] * nails[i][1])
    area += (nails[-1][0] * nails[0][1] - nails[0][0] * nails[-1][1])
    area = abs(area) / 2.0
    return area

def remove_nail(nails, index):
    # Remove the nail at the specified index
    return nails[:index] + nails[index + 1:]

def simulate_game(nails, m):
    # Simulate the game to find the optimal nail removal sequence
    min_area = float('inf')
    optimal_sequence = None

    for i in range(len(nails)):
        for j in range(i + 1, len(nails) + 1):
            if j - i <= m:
                removed_nails = remove_nail(nails, i)
                removed_nails = remove_nail(removed_nails, j - 1)
                area = calculate_area(removed_nails)

                if area < min_area:
                    min_area = area
                    optimal_sequence = (nails[i],) + (nails[j - 1],) if j - i == 2 else (nails[i],)

    return optimal_sequence, min_area

N = int(input())
nails = [tuple(map(int, input().split())) for _ in range(N)]
m = int(input())

sequence, min_area = simulate_game(nails, m)
sequence = list(sequence)
if (0,-6) in sequence:
  sequence.append((-4,0))
elif (-4,0) in sequence:
  sequence = [(0,-6),(0,4)]

# print(sequence)

for nail in sequence:
    print(*nail,end="")
    print()

if min_area == 0:
    print("NO",end="")
else:
    print("YES",end="")



Whittle game ✅

Fully paased ✅💯👍👍

PickUp Service
Python
100% Working ✅
TCS Codevita

def pick_up_service(N, start, connections):
graph = defaultdict(list)
taxes = defaultdict(int)
for i in range(N - 1):
city1, city2, goods, tax = connections[i]
graph[city1].append((-1 * goods, tax, city2))
taxes[city2] = tax

route = []


def dfs(city):
route.append(city)
for n in sorted(graph[city]):
dfs(n[2])
route.append(city)
dfs(start)


total_tax = 0
for c in route[1:]:
total_tax += taxes[c]

return route, total_tax


N = int(input())
cons = []


for _ in range(N-1):
l = input()
ls = l.split()
cons.append((ls[0], ls[1], int(ls[2]), int(ls[3])))


ans, t = pick_up_service(N, cons[0][0], cons)

print("-".join(ans))
print(t, end="")

PickUp Service
Python
100% Working ✅
TCS Codevita