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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. using namespace std;
  5.  
  6. string kalkulator(char op, vector<string> data) {
  7.     if (op == '+') {
  8.         long long total = 0;
  9.         for (string s : data) {
  10.             total += stoll(s); // Ubah string ke long long, lalu jumlahkan
  11.         }
  12.         return to_string(total); // Ubah kembali ke string sebelum dikembalikan
  13.     } 
  14.     else if (op == '*') {
  15.         long long total = 1; // Perkalian dimulai dari 1
  16.         for (string s : data) {
  17.             total *= stoll(s); // Ubah string ke long long, lalu kalikan
  18.         }
  19.         return to_string(total); // Ubah kembali ke string sebelum dikembalikan
  20.     } 
  21.     else {
  22.         return "KESALAHAN";
  23.     }
  24. }
  25.  
  26. // Fungsi main() di bawah tidak boleh diubah!
  27. int main() {
  28.     cout << kalkulator('+', {"1234567890", "0", "987654321", "314159265"}) << endl;
  29.     cout << kalkulator('+', {"123", "456", "789", "111"}) << endl;
  30.     cout << kalkulator('*', {"123", "456", "789", "111"}) << endl;
  31.     cout << kalkulator('*', {"17", "8", "1945"}) << endl;
  32.     cout << kalkulator('?', {"3", "2", "1"}) << endl;
  33. }
Success #stdin #stdout 0s 5300KB
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2536381476
1479
4912130952
264520
KESALAHAN
https://ideone.com/6Ev6Ew
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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